.
China (Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangxi, Sichuan, Yunnan, Zhejiang), Taiwan, Tibet, Japan (Honshu, Shikoku, Kyushu), South South Korea, Bhutan, Cambodia, N-India, Indonesia, Malaysia, Nepal, Sikkim, Thailand, Vietnam, Darjeeling, Myanmar [Burma] (Kachin, Sagaing), Sri Lanka as per Catalogue of Life;
.
[Bhutan, Cambodia, China, N India, Indonesia, Japan, Korea, Laos, Malaysia, Myanmar, Nepal, Sikkim, Thailand, Vietnam] as per Flora of China
.

Similar to R. pungens and R. indotibetanus but stems and branches with dense long flexuose gland-tipped bristles 2-4mm; leaflets 5 or 7, lanceolate; flowers small, calyx lobes lanceolate, 6-10mm, softly pilose and glandular hairy, not prickly; petals white, 5mm; fruit cylinder, 2 x 1 -1.5cm.

Fl. February-May
(by A.C.J Grierson & D.G Long. Flora of Bhutan. Published by RBGE. 1987 from Bhutan Biodiversity Portal)

 

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