响铃豆(原变种) xiang ling dou (yuan bian zhong)

Crotalaria formosana Itô & Matsumura.

Leaf blade usually oblanceolate. Calyx with adaxial lobes slightly obtuse at apex. Legume 6-12-seeded.

Open montane forests, along trails; 200-2800 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangxi, Si­chuan, Taiwan, Xizang, Yunnan [Bangladesh, Bhutan, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Pakistan, Papua New Guinea, Philippines, Sri Lanka, Thailand, Vietnam; Pacific islands].

Many collections are of relatively robust plants branching mainly well above the base and probably relatively short-lived. Some collec­tions from Xizang are of much smaller plants, many branched from base, and probably longer lived.