Dumasia, , Pan & Zhu, 2010

Jiang, Kai-Wen, Corlett, Richard T., Tian, Bin & Pan, Bo, 2021, Taxonomic notes on the genus Dumasia (Fabaceae), Phytotaxa 522 (2), pp. 109-120 : 119

Key to Dumasia taxa

1. Leaflets of upper leaves cordiform.................................................................................................................................. D. cordifolia

1. Leaflets not cordiform ........................................................................................................................................................................2

2. Leaflets broadly ovate to suborbicular; bracts and bracteoles 7–8 mm; stem obviously quadrangular............................. D. forrestii

2. Leaflets not as above; bracts and bracteoles 0.5–4 mm; stem terete, or slightly quadrangular .........................................................3

3. Leaflets oblong ...................................................................................................................................................................... D. henryi

3. Leaflets ovate to elliptic .....................................................................................................................................................................4

4. Stem and petioles densely covered with brown hirsute hairs.............................................................................................. D. hirsuta

4. Stem and petioles without brown hirsute hairs...................................................................................................................................5

5. Flowers small, 7–8 mm ....................................................................................................................................................... D. prazeri

5. Flowers larger, 14–18 mm ..................................................................................................................................................................6

6. Pods entirely torulose, viz. constricted between all seeds ..................................................................................................................7

6. Pods usually not torulose, sometimes constricted where abortive seeds inserted............................................................................10

7. Peduncles of pseudoracemes winged at base ........................................................................................................ D. zhangjiajieensis

7. Peduncles of pseudoracemes not winged at base ...............................................................................................................................8

8. Stem, petioles, and leaflets glabrescent; pods glabrous ............................................................................ D. villosa subsp. leiocarpa

8. Stem, petioles, and leaflets pubescent; pods villous...........................................................................................................................9

9. Seeds 1–2...................................................................................................................................................... D. villosa subsp. bicolor

9. Seeds usually 3–4 .......................................................................................................................................... D. villosa subsp. villosa

10. Leaves and stems glabrous or glabrescent......................................................................................................................... D. truncata

10. Leaves and stems sparsely pubescent...............................................................................................................................................11

11. Leaflet margin ciliate................................................................................................................... D. yunnanensis var. arunachalensis

11. Leaflets without marginal pubescence .............................................................................................................................................12

12. Pseudoracemes usually longer than the petioles of their subtending leaves ..................................................................... D. kurziana

12. Pseudoracemes usually shorter than the petioles of their subtending leaves .................................. D. yunnanensis var. yunnanensis