膜叶刺蕊草 mo ye ci rui cao

Herbs or subshrubs. Stems 1-1.5 m tall, pubescent, subglabrescent. Petiole 1.5-7 cm; leaf blade ovate, to 12 × 7(-9) cm, membranous or ± papery, base abruptly attenuate to cuneate-attenuate, rarely rounded, margin double crenate to double serrate, apex acuminate; lateral veins 5-paired. Spikes subcylindric, continuous or rarely interrupted, 3-7(-15) cm, terminal and axillary; verticillasters many flowered; peduncle 1-2.5 cm, densely villous; bracteoles ovate, 1/3-1/2 as long as calyx, glabrous or subglabrous, ciliate. Calyx subtubular, 4-5 mm, glabrous or sparsely pubescent along veins; teeth equal, narrowly triangular, ca. 1/3 as long as calyx tube, hirsute inside, ciliate. Corolla white or purplish, 6-7 mm, lobes bearded outside. Stamens ca. 2 × as long as corolla, bearded parts exserted. Fl. Dec-Apr.

* Streamsides, hills, valleys; 0-2000 m. Guangxi, Guizhou, Hainan, Yunnan

Lower Taxa

• Pogostemon esquirolii var. esquirolii
• Pogostemon esquirolii var. tsingpingensis C. Y. Wu & Y. C. Huang