杜鹃(原变种) du juan (yuan bian zhong)

Azalea indica Linnaeus var. simsii (Planchon) Rehder; Rhododendron bellum W. P. Fang & G. Z. Li (1984), not H. P. Yang (1989); R. bicolor P. C. Tam (1983), not Sweet (1830); R. calleryi Planchon; R. indicum (Linnaeus) Sweet var. formosanum Hayata; R. indicum var. ignescens Sweet; R. indicum var. puniceum Sweet; R. indicum var. simsii (Planchon) Maximowicz; R. petilum P. C. Tam; R. viburnifolium W. P. Fang.

Corolla bright to dark red, 3.5–6 cm.

Pinus massoniana forests, open upland thickets; 500–1200 (–2600) m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [Japan, Laos, Myanmar, Thailand].