4 (1) | Branches spreading pubescent; at least some inflorescences on current year's branches; flowering August to December. | 4 D. longifolia | |
+ | Branches usually appressed pubescent; all inflorescences on branches of previous seasons; flowering February to April. | (5) | |
5 (4) | Leaves densely snow white tomentose abaxially, faintly fine veined; inflorescences often sessile. | 6 D. saeneb | |
+ | Leaves gray tomentose abaxially, distinctly fine veined; inflorescences usually pedunculate. | 5 D. orientalis |
水麻 shui ma
Shrubs 1-4 m tall, often dioecious, rarely monoecious.
4. Debregeasia longifolia (N. L. Burman) Weddell in Candolle, Prodr. 16(1): 235. 1869.
长叶水麻 chang ye shui ma
Urtica longifolia N. L. Burman, Fl. Indica, 197 [“297”]. 1768; Conocephalus niveus Wight; Debregeasia dichotoma (Blume) Weddell; D. libera Chien & C. J. Chen; D. velutina Gaudichaud-Beaupré; Morocarpus dichotomus (Blume) Blume; M. longifolius (N. L. Burman) Blume; M. velutinusBlume; Urtica angustata Blume; U. dichotoma Blume.
Shrubs or small trees 3-6 m tall, dioecious or monoecious.