13. Epilobium royleanum Haussknecht, Oesterr. Bot. Z. 29: 55. 1879.
短梗柳叶菜 duan geng liu ye cai
Epilobium himalayense Haussknecht; E. lividum Haussknecht; E. roseum Schreber var. dalhousieanum C. B. Clarke; E. roseum var. indicum C. B. Clarke; E. royleanum f. glabrum P. H. Raven; E. royleanum f. glandulosum P. H. Raven.
Herbs perennial, erect or ascending, with fleshy soboles that leave brown basal scales. Stems 10-60 cm tall, well-branched or simple, strigillose and usually glandular pubescent throughout, lacking raised decurrent lines. Petiole 2-7 mm; cauline leaf blade narrowly ovate to lanceolate, sometimes elliptic or oblong-lanceolate, 1.5-5.5(-7) × 0.5-2.5(-3.3) cm, subglabrous with faintly strigillose margin and midvein, base cuneate (subrounded), margin densely serrulate with 10-24 teeth per side, apex acute or subacuminate. Inflorescence and flowers erect. Sepals 3.8-6 mm. Petals pink to rose-purple, 5-7.2 mm. Stigma capitate to broadly clavate, entire. Capsules 3.5-7 cm, strigillose, glandular; pedicels 0.4-1 cm. Seeds light brown, 0.9-1.2 mm, papillose, with short chalazal collar; coma white, detaching easily. Fl. Jul-Sep, fr. Aug-Oct. 2n = 36.
Moist weedy places in valleys, along roads and streams, sometimes in high mountain meadows; 1400-3300(-4300) m. Gansu, Guizhou, Henan, Hubei, Qinghai, Shaanxi, Sichuan, Xinjiang, Xizang, Yunnan [Afghanistan, Bhutan, India, Kashmir, Nepal, Pakistan; SW Asia].