Page 18 - 《广西植物》2020年增刊
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1 4                                   广  西  植  物                                         40 卷

               62. Stems and petioles spreading ̄puberulousꎻ pedicels densely spreading ̄puberulousꎬ

                    sparsely yellow ̄glandular ̄puberulousꎻ sepal spur shorter than or as long as sepals
                           51. D. chrysotrichum

         59. Leaf blades 3 ̄sect.

           64. Flowers 3 in corymb.
             65. Herbs 15 cm tallꎻ sepals yellowꎬ upper sepal 19 mm longꎬ spur 12 mm longꎬ at base 2.5
                  mm acrossꎻ stamen filaments sparsely pilose   52. D. pseudocandelabrum

             65. Herbs 5-10 cm tallꎻ sepals purpleꎬ upper sepal 18-25 mm longꎬ spur 10-15 mm long at
                  base 2.5-5 mm acrossꎻ filaments glabrous   55. D. nortonii

           64. Flowers solitary and terminal

             66. Staminode limbs 2 ̄cleftꎻ sepals 18-27 mm long.
               67. Leaf blades abaxially puberulousꎻ sepals inside hairy   53. D. tangkulaense

                 68. Sepals blue ̄purple     53a. f. tangkulaense
                 68. Sepals yellow      53b. f. xanthanthum

               67. Leaf blades abaxially glabrousꎻ sepals inside glabrous   55. D. nortonii
             66. Staminode limbs undividedꎻ sepals 12-16 mm long     54. D. chungbaense

   51. Sepals nearly as long as or shorter than sepals.
     69. Seeds subtetrahedralꎬ along longitudinal edges winged or wingless.

       70. Sepals nearly as long as spur.
         71. Leaf blades 3 ̄parted.
           72. Herbs 10-15 cm tallꎻ sepals 23-25 mm longꎬ spur 20-23 mm longꎻ seeds with inconspicuous

                longitudinal edgesꎬ wingless    56. D. smithianim
           72. Herbs 20-50 cm tallꎻ sepals 18-24 mm longꎬ spur 18-22 mm longꎻ seeds with longitudinal
                edgesꎬ and along edges narrow ̄winged   57. D. pseudopulcherrimum

         71. Leaf blades 3 ̄sect.
           73. Herbs (10-)20-55 cm tallꎻ pedicels pubescent and yellow ̄glancular ̄pubescentꎻ sepals 16-
                24 mm longꎬ spur 21-24 mm longꎻ carpels 5ꎻ seeds along longitudinal edges wingless  
                       58. D. pylzowii

           73. Herbs10 cm tallꎻ pedicels lacking yellow glandular hairsꎻ sepals 12-15 mm longꎬ spur 12-14
                mm longꎻ carpels 3ꎻ seeds along longitudinal edges broad ̄winged   60. D. qinghaiense

       70. Sepals shorter than spur.
         74. Leaf blades 3 ̄parted.
           75. Bracteoles contiguous with flower   61. D. batangense

           75. Bracteoles remote from flower.
             76. Sepals 20-22 mm longꎬ spur 35-38 mm long       62. D. malacophyllum

             76. Sepals 13-19 mm longꎬ spur 16-22 mm long.
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