光籽柳叶菜 guang zi liu ye cai

Epilobium leiospermum Haussknecht; E. nuristanicum K. H. Rechinger; E. pseudobscurum Haussknecht; E. roseum Schreber var. anagallidifolium C. B. Clarke, p.p.

Herbs erect, perennial, with short leafy soboles and rhizome with dense, fibrous rootlets. Stems 13-100 cm tall, well-branched, sparsely strigillose throughout upper stem, glabrescent below with indistinct raised lines decurrent from margins of petioles. Leaves subleathery; petiole 2-5 mm; cauline blade lanceolate to narrowly ovate, 1.2-6.5 × 0.5-1.5 cm, glabrous with sparsely strigillose margin and veins, base cuneate or subrounded, margin serrulate with 15-35 teeth per side, apex acute or acuminate. Inflorescence and flowers suberect. Sepals 3.5-5 mm, keeled. Petals pink or rose-purple, rarely white, 5-8 mm. Stigma capitate or broadly clavate, entire. Capsules 4-8.8 cm, sparsely strigillose; pedicels 0.8-2.5 cm. Seeds brown, 1.1-1.3 mm, reticulate, with inconspicuous chalazal collar; coma dingy white, detaching easily. Fl. Jul-Sep, fr. Aug-Oct. 2n = 36.

Scattered but locally common in disturbed moist places along rivers, streams, and ditches in mountains; 2300-4500 m. Sichuan, Xizang, Yunnan [Afghanistan, Bhutan, India, Nepal, Pakistan; SW Asia].