Page 14 - 《广西植物》2020年增刊
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1 0 广 西 植 物 40 卷
3. Sepal spur nearly as long as sepals or longer than them.
16. Seeds subtetrahedralꎬ along longitudinal edges narrow ̄wingedꎻ leaf blades 3 ̄partedꎬ rarely 3 ̄sectꎻ
staminode limbs 2 ̄lobedꎻ carpels 3.
17. Leaf blades 3 ̄partedꎻ staminode limbs 2 ̄lobedꎻ carpels 3.
18. Sepal spur nearly as long as sepalsꎻ pedicels lacking glandular hirs.
19. Sepals lanceolateꎬ at apex long attenuateꎻ racemes simpleꎬ 20-25 cm long
37. D. zhanangense
19. Sepals not lanceolateꎬ at apex not attenuate.
20. Racemes compoundꎻ sepals 18-20 mm longꎬ spur 19 mm long
35. D. stapeliosum
20. Racemes simple.
21. Bracteoles narrow ̄oblong or spathulate ̄oblongꎬ 9 - 11 mm longꎻ ovaries puberulousꎻ
sepals 12-14 mm long 32. D. subspathulatum
21. Bracteoles lanceolate ̄linearꎬ 3-6 mm longꎻ carpels glabrousꎻ sepals 14-17 mm long
33. D. crassifolium
18. Sepal spur longer than sepals.
22. Stems with glandular hairsꎻ staminode limbs yellow ̄barbate.
23. Leaf blades 3 ̄lobed to the middle of bladeꎬ on both surfaces pubescent and glandular ̄pu ̄
berulousꎻ racemes 8 ̄floweredꎻ sepals 11-14 mm long 36. D. nangziense
23. Leaf blades 3 ̄parted exceeding the middle of bladeꎬ on both surfaces sparsely puberulousꎬ lac ̄
king glandular hairsꎻ racemes 15-20 ̄floweredꎻ sepals 18-19 mm long 38. D. hillcoatiae
24. Sepal spur 20-25 mm longꎻ carpels glabrous 38a. var. hillcoatiae
24. Sepal spur 15-17 mm longꎻ ovaries pubescent 38b. var. pilocarpum
22. Stems lacking glandular hairsꎻ staminode limbs white ̄barbateꎻ leaf blades 3 ̄lobedꎻ sepals
12 mm long 34. D. kansuense
25. Raceme rachis and pedicels appressed ̄puberulous 34a. var. kansuense
25. Raceme rachis and pedicels spreading ̄puberulous 34b. var. villosiusculum
17. Leaf blades 3 ̄sectꎻ staminode limbs suborbicularꎬ undividedꎻ carpls 4-5ꎻ sepals 12 mm longꎬ
spur 22 mm long 39. D. motingshanicum
16. Seeds narrow ̄ellipsoidalꎬ1.8 mm longꎬ peripherally with a narrow wing 0.4-0.8 mm broadꎻ leaf
blades 3 ̄sectꎻ staminode limbs orbicular ̄flabellate undivided 40. D. menyuanense
2. Sepals deciduousꎬ rarely persistentꎬ mostly smallerꎬ not veinousꎬ not densely hairyꎻ upper sepal nearly as
long as spur.
26. Leaf blades 3 ̄parted.
27. Bracteoles navicular 87. D. naviculare
28. Stems hirsuteꎻ pedicelsꎬ sepals and carpels glabrous 87a. var. naviculare
28. Stemsꎬ pedicels and sepals abaxially yellow ̄glandular ̄puberulousꎻ ovaries puberulous
87b. var. lasiocarpum