Page 116 - 《广西植物》2020年增刊
P. 116

1 1 2                                 广  西  植  物                                         40 卷

               107. Sepals 13-19 mm long.

                 108. Pedicels lacking yellow glandular hairs.
                   109. Pedicels above 2 ̄bracteolate.
                     110. Racemes 2-6.5( -16) cm longꎻ ovaries densely pubescent.
                       111. Racemes 16 cm longꎻ pedicels 3.5-10 cm long    174. D. yanwaense

                       111. Racemes 2-6.5 cm longꎻ pedicels 1.4-3.2 cm long.
                         112. Sepal spur 25-27 mm longꎻ staminode limbs 2 ̄cleftꎬ white ̄barbate 
                                       172. D. weixiense

                         112. Sepal spur 18 mm longꎻ staminode limbs at apex emarginateꎬ yellow ̄barbate
                                      186. D. lankongense

                     110. Racemes 10-26 cm longꎻ ovaries only on ventral sutures hairyꎬ elsewher gla ̄
                            brous       187. D. pycnocentrum
                   109. Pedicels on apex 2 ̄bracteolate (bracteoles linear)   164. D. umbrosoides


                 108. Pedicels yellow ̄glandular ̄puberulous and white ̄puberulousꎻ sepal spur 16 - 18 mm
                        long.
                   113. Stem glabrousꎻ stamen filaments hairy.
                     113′. Racemes 22 cm longꎻ staminode limbs obcordateꎬ 7 mm broadꎻ anthers glabrous
                                   182. D. obcordatilimbum

                     113′. Racemes 12-15 cm longꎻ staminode limbs oblongꎬ 3 mm broadꎻ anthers abaxi ̄
                             ally hair     179. D. lasiantherum

                   113. Stems haryꎻ filaments glabrous.
                     113″. Stems puberulousꎬ 1 ̄leavedꎻ basal leaves ca. 7ꎻ staminode limbs 2 ̄parted
                               slightly exceedling the middle of limbꎬ white ̄barbateꎻ ovaries puberulous
                                     171. D. incisolobulatum

                         113″. Stems strigoseꎬ several ̄leavedꎻ basal leaves withered by anthesisꎻ staminode
                              limbs undivided or at apex 2 ̄lobulateꎬ yellow ̄barbateꎻ carpels glabrous 
                                     173. D. kantzeense

               107. Sepals 20-30 mm long.
                 114. Leaf sheaths well developedꎬ 8-15 mm broad    180. D. coleopodum

                 114. Leaf sheaths narrow or absent.
                   115. Pedicels glabrous.
                     116. Stems puberulousꎻ sepals 9 - 14 mm longꎬ spur 17 - 24 mm longꎻ staminode
                             limbs 2 ̄cleft    178. D. yunnanense

                        116. Stems glabrousꎻ sepals 18 mm longꎬ spur 26- 30 mm longꎻ staminode limbs
                             undivided    185. D. liangshanense

                   115. Pedicels hairy.
                     117. Pedicels with yellow glamdular hairs.
                       118. Stems hispidꎻ leaf blades on both surfaces sparsely strigoseꎻ sepal spur 17-26

                              mm long        175. D. yongningense
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