|
1. Corolla blue to purple with a yellow throat |
|
GROUP A. |
|
1. Corolla yellow to white |
|
|
|
|
|
3. Shrubs and undershrubs with cauline leaves |
|
GROUP B. |
|
3. Herbs (usually with basal leaves forming a rosette) |
|
GROUP C. |
|
|
|
G. triodiophila 36. |
|
4. Leaves not linear, flat |
|
|
|
5. Leaves glabrous or with minute glandular hairs only |
|
GROUP D. |
|
5. Leaves pubescent to villous with macroscopic simple non- glandular hairs (glandular hairs often also present) |
|
GROUP E. |
|
|
|
1. Bracteoles present; leaves glabrous or subglabrous |
|
G. ramelii 33. |
|
1. Bracteoles absent; leaves villous |
|
G. vilmoriniae 39. |
|
|
|
1. Leaves greyish appressed-pubcscent with T-shaped non-glandular hairs |
|
G. mueckeana 27. |
|
1. Leaves glabrous or pubescent with spreading simple and glandular hairs |
|
|
|
|
|
G. albiflora 2. |
|
3. Leaves sessile, often stem-clasping |
|
|
|
4. Leaves mostly 3-9 cm long; indusium entire |
|
G. amplexans 3. |
|
4. Leaves mostly 1-2.5 cm long; indusium notched G. benthamiana 5 |
|
|
|
|
|
5. Bracteoles apparently produced directly in the axil of the bract |
|
|
|
6. Leaves lanceolate, viscid |
|
G. brunnea 8. |
|
6. Leaves broadly ovate not viscid |
|
G. saccata 35. |
|
5. Bracteoles 2-30 mm along the peduncle |
|
|
|
7. Leaves and stem pubescent: corolla lobes with ciliate wings |
|
G. chambersii 11. |
|
7. Leaves and stems glabrous |
|
|
|
8. Leaves thin: nectary pocket obscure, to one-quarter the length of the ovary |
|
G. ovata 29. |
|
8. Leaves thick; nectary pocket distinct, about half the length of the ovary |
|
|
|
9. Sepals 2-3.5 mm long; corolla glabrous outside |
|
G. varia 37. |
|
9. Sepals 6-10 mm long; corolla pubescent outside |
|
G. vernicosa 38. |
|
|
|
1. Corolla white with brown lines; nectary spur far exceeding the ovary |
|
G. calcarata 9. |
|
1. Corolla yellow' nectary pocket up to the length of the ovary often much shorter and obscure |
|
|
|
2. Ovules arranged irregularly over the dissepiment |
|
|
|
G. humilis 23. |
|
3. Leaves glabrous or glabrescent |
|
G. modesta 26. |
|
2. Ovules in 2 rows on each side of the dissepiment |
|
|
|
|
|
5. Cauline leaves symmetrically narrowed at the base |
|
G. centralis 10. |
|
5. Cauline leaves with a large lobe on one side at the base |
|
G. glabra 17. |
|
4. Leaves remaining hirsute or villous, at least on the lower surface |
|
|
|
6. Upper leaf surface glabrescent |
|
G. blackiana 7. |
|
6. Upper leaf surface remaining hirsute or villous. |
|
|
|
7. Stellate hairs present |
|
|
|
7. Stellate hairs absent. |
|
G. affinis 1. |
|
8. Leaves all basal, never stem-clasping |
|
G. affinis 1. |
|
8. Cauline leaves stem-clasping |
|
G. robusta 34. |
|
9. Seeds flat with a thickened rim, yellow-brown; anterior corolla lobes 7-7.5 mm long |
|
G. geniculata 15. |
|
9. Seeds biconvex, distorted, without a prominent rim, dark-brown to black; anterior corolla lobes 4-5.5 mm long |
|
G. hirsuta 22. |
|
|
|
1. Leaves finely glandular-pubescent |
|
G. havilandii 19. |
|
1. Leaves glabrous, never glandular or viscid |
|
|
|
2. Leaves deeply dentate or pinnatisect; corolla white with brownish markings |
|
G. calcarata 9. |
|
2. Leaves entire; corolla yellow |
|
|
|
G. anfracta 4. |
|
G. glauca 18. |
|
|
|
|
|
G. berardiana 6. |
|
|
|
G. occidentalis 28. |
|
G. pusilliflora 31. |
|
|
|
4. Indusium oblong to square |
|
G. heteromera 21. |
|
4. Indusium broader than long |
|
|
|
5. Nectary pocket or spur prominent, subequal to or exceeding the ovary |
|
|
|
6. Leaves densely glandular-pubescent and with appressed simple hairs |
|
|
|
7. Seed elliptic, with a narrow opaque wing |
|
G. lobata 24. |
|
7. Seed orbicular, with a broad hyaline wing overlapping the black body |
|
G. quasilibera 32. |
|
6. Leaves with dense or sparse spreading simple hairs; glandular hairs inconspicuous or absent |
|
|
|
8. Corolla densely pubescent; seeds orbicular, broadly winged |
|
G. cycloptera 12. |
|
8. Corolla glabrous or subglabrous; seeds elliptic, narrowly winged |
|
G. gibbosa 16. |
|
5. Nectary pocket obscure, much shorter than the ovary |
|
|
|
9. Upper lip of the indusium glabrous or with vestigial bristles |
|
G. lunata 25. |
|
9. Upper lip of the indusium beset with prominent white bristles |
|
|
|
10. Ovary attenuate at the base |
|
|
|
11. Annual with a single, usually unbranched, erect stem G. elongata 13 |
|
|
|
11. Perennial with several decumbent or prostrate stems G. hirsuta 22 |
|
|
|
10. Ovary obtuse at the base |
|
|
|
12. Leaves mostly cauline, the basal rosett~ soon withering |
|
G. heterochila 20. |
|
12. Leaves mostly basal in a rosette |
|
|
|
13. Vestiture of appressed hairs; corolla densely silky-pubescent outside |
|
G. fascicularis 14. |
|
13. Vestiture of spreading hairs; corolla glabrous or subglabrous outside |
|
G. pinnatifida 30. |