抱茎石龙尾 bao jing shi long wei

Cybbanthera connata Buchanan-Hamilton ex D. Don, Prodr. Fl. Nepal. 87. 1825; Limnophila connata (Buchanan-Hamilton) Pennell; L. hypericifolia (Bentham) Bentham; Stemodia hypericifolia Bentham.

Herbs, terrestrial, 30-50 cm tall. Stems erect or ascending, simple or sparsely branched, glabrous, apically short glandular hairy. Leaves opposite or sometimes 3-5 in a whorl on sprouts near rhizomes, sessile; leaf blade linear, ovate-lanceolate, or lanceolate, 2-4 X 0.3-2 cm, base subamplexicaul, margin entire or rarely obscurely toothed; veins 3-7, parallel. Spikes terminal, lax; bracts glandular puberulent. Flowers sessile or subsessile. Bracteoles 2, linear, ca. 5 mm, glandular puberulent, base adherent to calyx tube. Calyx cylindric, ca. 7 mm, glandular puberulent, without raised veins in fruit. Corolla blue to purple, 1.1-1.5 cm, outside sparsely pubescent, inside villous. Capsule subglobose, ca. 3.5 X 3 mm, veins 2 and bulging. Fl. and fr. Sep-Nov.

Along streams, grassland, wet places; below 1400 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Yunnan [India, Laos, Myanmar, Nepal, Thailand, Vietnam].