Page 16 - 《广西植物》2020年增刊
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1 2 广 西 植 物 40 卷
41. Stems glabrous 84. D. eglandulosum
41. Stems hairy.
42. Racemes with very dense flowersꎬ terete or subgloboseꎻ stemsꎬ leaves and racemes all
densely hispid 86. D. wentsaii
42. Racemes not with dense flowersꎻ leaves and racemes not densely hispid.
43. Bracteoles 2-3 mm broad.
44. Bracteoles elliptic ̄ovate or ovateꎻ seeds densely squamulose
93. D. ellipticoovatum
44. Bracteoles narrow ̄lanceolateꎬ narrow ̄oblong or lanceolate ̄linear.
45. Bracteols 2-6 mm remote from flowerꎻ stamen filaments glabrousꎻ carpels 3-4
83. D. sauriceum
45. Bracteols 1.5 mm remote from flower or contiguous with flowerꎻ stamen filaments
sparsely pilose.
46. Leaf primary central lobe broad ̄rhombic.
47. Stems and pedicels pubescentꎻ sepal spur 12-13 mm longꎬ at base 5-6 mm
acrossꎻ stamens glabrous 78. D. jilongense
47. Stems hispidꎻ pedicels strigillose and sparsely hispidꎻ sepal spur 14 mm
longꎬ at base 2.2 mm acrossꎻ stamen filaments sparsely pilose
79. D. tabatae
46. Leaf primary central lobe cuneate ̄obtrapeziformꎻ pedicels only strigilloseꎻ sepal
spur subulate ̄tubularꎬ at base 3.5-4.5 mm across 80. D. winklerianum
43. Bracteoles less than 1.2 mm broadꎬ narrow ̄linear or subulate.
48. Sepals outside puberulous and sparsely yellow ̄glandular ̄puberulousꎬ slightly longer
than spurꎻ raceme rachis and pedicels spreading hirtellous
76. D. wuqianense
48. Sepals outside not yellow ̄glandular ̄puberulous.
49. Raceme rachisꎬ pedicels and sepals outside densely appressed ̄puberulous
94. D. tianshanicum
49. Raceme rachis and pedicels spreading hirtellous.
50. Basal leaves 1 or 3ꎬ cauline leaves 4 or 6ꎻ racemes 3-6.5 cm longꎬ 3 ̄or 7 ̄
floweredꎻ upper sepal slightly longer than spur.
50′. Basal leaf 1ꎬ cauline leaves 6ꎬ blades adaxially glabrousꎻ racemes 3 cm
longꎬ 3 ̄floweredꎻ bracteoles 4 mm long 74. D. actoense
50′. Basal leaves 3ꎬ cauline leaves 4ꎬ blades adaxially hirtellousꎻ racemes 6.5
cm longꎬ 7 ̄floweredꎻ bracteoles 6-8 mm long 75. D. zhaosuense
50. Basal leaves 6-8ꎬ cauline leaves 0 or 2ꎻ racemes 12-28 cm longꎬ 12 ̄floweredꎻ
upper sepal as long as or slightly shorter than spur 88. D. zhangii
26. Leaf blades 3 ̄sect 97. D. trisectum