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FOC | Family List | FOC Vol. 10 | Fabaceae | Lathyrus

11c. Lathyrus palustris var. exalatus (H. P. Tsui) X. Y. Zhu in X. Y. Zhu et al., Legumes China. 204. 2007.

无翅山黧豆 wu chi shan li dou

Lathyrus palustris subsp. exalatus H. P. Tsui, Bull. Bot. Res., Harbin 4(1): 54. 1984; L. palustris f. exalatus H. P. Tsui; L. palustris f. pubescens H. P. Tsui; L. palustris var. pubescens (H. P. Tsui) X. Y. Zhu.

Plants glabrous to pubescent. Stem wingless. Stipules large, 12-25(-30) × 2-8 mm; leaflets usually broadly lanceo­late, 30-60 × 5-10(-15) cm, veins subparallel. Raceme lax, (2 or)3-8(-10)-flowered.

● Shanxi, Sichuan, Xinjiang, Xizang, Yunnan.

Pubescent plants have been separated at the form and varietal levels, but close observation shows a continuum from glabrous to pu­berulent to pubescent individuals, with no clear separation into two groups. Consequently, we treat this as a single variety under the sub­species.


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