Indigofera 10b Guaza, La Gomera 060412 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 11b between Benzilan and Shangri-la, Yunnan 110711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 11c between Benzilan and Shangri-la, Yunnan 110711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 12a De Hoop, Western Cape, South Africa 011024 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 12a La Guïra Nat Park, Cuba 190319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 12b De Hoop, Western Cape, South Africa 011024 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 12c De Hoop, Western Cape, South Africa 011024 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 13a near Anakao, Madagascar 191011 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 13b near Anakao, Madagascar 191011 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 13c near Anakao, Madagascar 191011 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 13d near Anakao, Madagascar 191011 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 13f near Anakao, Madagascar 191011 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 1a 30 km N of Kamieskroon, Western Cape, South Africa 100911 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 1b 30 km N of Kamieskroon, Western Cape, South Africa 100911 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 1f 30 km N of Kamieskroon, Western Cape, South Africa 100911 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 1g 30 km N of Kamieskroon, Western Cape, South Africa 100911 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 1h S of Kamieskroon, Western Cape, South Africa 100911 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 2c Tinie Versveld, Darling, Western Cape, South Africa 100908 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 2d Tinie Versveld, Darling, Western Cape, South Africa 100908 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 3a Haarwegskloof N of De Hoop, Western Cape, South Africa 160929 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 3b Haarwegskloof N of De Hoop, Western Cape, South Africa 160929 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 4a De Hoop, Western Cape, South Africa 100921 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 4c De Hoop, Western Cape, South Africa 100921 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 4d De Hoop, Western Cape, South Africa 100921 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 6a Marloth, Western Cape, South Africa 100923 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 6b Marloth, Western Cape, South Africa 100923 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 6c Marloth, Western Cape, South Africa 100923 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 6d Marloth, Western Cape, South Africa 100923 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 7a Fernkloof, Western Cape, South Africa 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 7b Fernkloof, Western Cape, South Africa 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 7c Fernkloof, Western Cape, South Africa 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 8c Tinie Versveld, Darling, Western Cape, South Africa 100908 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 8d Tinie Versveld, Darling, Western Cape, South Africa 100908 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera alopecuroides 1 Fernkloof, Western Cape, South Africa 011023 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera angustifolia 1 Fernkloof, Western Cape, South Africa 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera angustifolia 2 Fernkloof, Western Cape, South Africa 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera angustifolia 3 Fernkloof, Western Cape, South Africa 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera angustifolia 5 Marloth, Western Cape, South Africa 100923 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera angustifolia 6 Marloth, Western Cape, South Africa 100923 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera angustifolia 7 Marloth, Western Cape, South Africa 100923 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera angustifolia 8 Marloth, Western Cape, South Africa 100923 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera arabica 1 Hanging Gardens, Oman 161104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera arabica 2 Hanging Gardens, Oman 161104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera arabica 3 Hanging Gardens, Oman 161104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera arabica 4 Hanging Gardens, Oman 161104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera arabica 5 Hanging Gardens, Oman 161104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera brachystachya 1 De Hoop, Western Cape, South Africa 011024 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera brachystachya 2 De Hoop, Western Cape, South Africa 011024 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera brachystachya 3 De Hoop, Western Cape, South Africa 011024 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf declinata Swartberg Pass NW of Oudtshoorn, Western Cape, South Africa 161005 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf glomerata 10 Hottentots Holland, Western Cape, South Africa 100927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf glomerata 5 Hottentots Holland, Western Cape, South Africa 100927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf glomerata 6 Hottentots Holland, Western Cape, South Africa 100927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf glomerata 7 Hottentots Holland, Western Cape, South Africa 100927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf glomerata 8 Hottentots Holland, Western Cape, South Africa 100927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf glomerata 9 Hottentots Holland, Western Cape, South Africa 100927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf heterophylla 4 De Hoop, Western Cape, South Africa 100921 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf heterophylla 6 De Hoop, Western Cape, South Africa 100921 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf heterophylla 7 De Hoop, Western Cape, South Africa 100921 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf lenticellata 2 between Benzilan and Shangri-la, Yunnan 110711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf lenticellata 3 between Benzilan and Shangri-la, Yunnan 110711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf lenticellata 4 between Benzilan and Shangri-la, Yunnan 110711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf lenticellata 5 between Benzilan and Shangri-la, Yunnan 110711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera decora 1 Lund Bot Garden 120918 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera decora 2 Lund Bot Garden 120918 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera decora 3 Lund Bot Garden 120918 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera decora 5 Lund Bot Garden 120918 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera decora 6 Lund Bot Garden 120918 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera decora 7 Lund Bot Garden 070720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera decora 8 Lund Bot Garden 070720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera decora 9 Lund Bot Garden 070720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera glomerata 10 Fernkloof, Hermanus, South Africa 160927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera glomerata 11 Fernkloof, Hermanus, South Africa 160927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera glomerata 12 Fernkloof, Hermanus, South Africa 160927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera glomerata 5 Fernkloof, Hermanus, South Africa 160927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera glomerata 6 Fernkloof, Hermanus, South Africa 160927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera glomerata 7 Fernkloof, Hermanus, South Africa 160927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera glomerata 8 Fernkloof, Hermanus, South Africa 160927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera glomerata 9 Fernkloof, Hermanus, South Africa 160927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera heterantha 1 Copenhagen Bot Garden 120919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera heterantha 3 Copenhagen Bot Garden 120919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera heterophylla 3 near Haarwegskloof N of De Hoop, Western Cape, South Africa 160928 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera heterophylla 4 near Haarwegskloof N of De Hoop, Western Cape, South Africa 160928 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera lenticellata alt Indigofera szechuenensis 1 between Benzilan and Shangri-la, Yunnan 110711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera lenticellata alt Indigofera szechuenensis 2 between Benzilan and Shangri-la, Yunnan 110711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera tinctoria 1 Lund Bot Garden 080905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera tinctoria 2 Lund Bot Garden 080905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

cf Indigofera 1a Fernkloof, Western Cape, South Africa 011023 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 10a Guaza, La Gomera 060412 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 11a between Benzilan and Shangri-la, Yunnan 110711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 12b La Guïra Nat Park, Cuba 190319 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 13e near Anakao, Madagascar 191011 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 1a Hottentots Holland, Western Cape, South Africa 100927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 1b Hottentots Holland, Western Cape, South Africa 100927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 1c 30 km N of Kamieskroon, Western Cape, South Africa 100911 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 1c Hottentots Holland, Western Cape, South Africa 100927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 1d 30 km N of Kamieskroon, Western Cape, South Africa 100911 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 1d Hottentots Holland, Western Cape, South Africa 100927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 1e 30 km N of Kamieskroon, Western Cape, South Africa 100911 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 2a Tinie Versveld, Darling, Western Cape, South Africa 100908 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 2a Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 2b Tinie Versveld, Darling, Western Cape, South Africa 100908 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 2b Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 2c Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 2d Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 2e Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 2f Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 3a Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 3b Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 3c Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 4 Tradouws Pass, Western Cape, South Africa 011025 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 4b De Hoop, Western Cape, South Africa 100921 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 5a Hottentots Holland, Western Cape, South Africa 100927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 5b Hottentots Holland, Western Cape, South Africa 100927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 5c Hottentots Holland, Western Cape, South Africa 100927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 5d Hottentots Holland, Western Cape, South Africa 100927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 7d Fernkloof, Western Cape, South Africa 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 8a Tinie Versveld, Darling, Western Cape, South Africa 100908 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 8b Tinie Versveld, Darling, Western Cape, South Africa 100908 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 9a S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera 9b S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera alopecuroides 2 Fernkloof, Western Cape, South Africa 011023 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera angustifolia 4 Fernkloof, Western Cape, South Africa 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf glomerata 1 Fernkloof, Western Cape, South AFrica 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf glomerata 2 Fernkloof, Western Cape, South AFrica 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf glomerata 3 Fernkloof, Western Cape, South AFrica 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf glomerata 4 Fernkloof, Western Cape, South AFrica 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf heterophylla 1 Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf heterophylla 2 Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf heterophylla 3 Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf heterophylla 5 De Hoop, Western Cape, South Africa 100921 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf lenticellata 1 between Benzilan and Shangri-la, Yunnan 110711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf psoraloides 1 Uitkykpas near Algeria, Western Cape, South Africa 100913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf psoraloides 2 Uitkykpas near Algeria, Western Cape, South Africa 100913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera cf psoraloides 3 Uitkykpas near Algeria, Western Cape, South Africa 100913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera decora 4 Lund Bot Garden 120918 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera glomerata 1 Fernkloof, Western Cape, South AFrica 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera glomerata 2 Fernkloof, Western Cape, South AFrica 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera glomerata 3 Fernkloof, Western Cape, South AFrica 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera glomerata 4 Fernkloof, Western Cape, South AFrica 100919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera hancockii 1 Dali, Yunnan 110706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera hancockii 2 Dali, Yunnan 110706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera hancockii 3 Dali, Yunnan 110706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera hancockii 4 Dali, Yunnan 110706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera heterantha 2 Copenhagen Bot Garden 120919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera heterophylla 1 near Haarwegskloof N of De Hoop, Western Cape, South Africa 160928 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera heterophylla 10 Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera heterophylla 2 near Haarwegskloof N of De Hoop, Western Cape, South Africa 160928 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera heterophylla 5 Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera heterophylla 6 Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera heterophylla 7 Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera heterophylla 8 Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera heterophylla 9 Tradouws Pass, Western Cape, South Africa 100922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera ionii 1 Fernkloof, Hermanus, South Africa 160927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera ionii 2 Fernkloof, Hermanus, South Africa 160927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera ionii 3 Fernkloof, Hermanus, South Africa 160927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera ionii 4 Fernkloof, Hermanus, South Africa 160927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera ionii 5 Fernkloof, Hermanus, South Africa 160927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera tinctoria 3 Lund Bot Garden 080905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera tinctoria 4 Lund Bot Garden 080905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera venusta 1 Uitkykpas near Algeria, Western Cape, South Africa 100913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera venusta 2 Uitkykpas near Algeria, Western Cape, South Africa 100913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera venusta 3 Uitkykpas near Algeria, Western Cape, South Africa 100913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera venusta 4 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Indigofera venusta 5 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

cf Indigofera 1b Fernkloof, Western Cape, South Africa 011023 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

cf Indigofera 2 Tradouws Pas, Western Cape, South Africa 011025 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).