Page 16 - 《广西植物》2020年增刊
P. 16

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
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