圆柱柳叶菜 yuan zhu liu ye cai

Epilobium beauverdianum H. Léveillé; E. christii H. Léveillé; E. roseum Schreber var. cylindricum (D. Don) C. B. Clarke.

Herbs perennial, robust, with thick caudex and leafy basal soboles or loose rosettes. Stems 10-110 cm tall, well-branched above, strigillose or rarely subglabrous on upper stem, glabrescent below with indistinct, sparsely strigillose lines decurrent from margins of petioles. Leaves subleathery; petiole 3-7(-10) mm; cauline blade narrowly lanceolate to sublinear, 3-12 × 0.4-2 cm, glabrous with sparsely strigillose margin and veins, base cuneate, margin densely serrulate with (20-)30-50 teeth per side, apex acute. Inflorescence erect, strigillose, rarely with a few glandular hairs; flowers suberect. Sepals 3-5 mm, keeled. Petals pink or rose-purple, rarely white, 3.6-7 mm. Stigma capitate or broadly clavate, entire. Capsules 4-8.5 cm, sparsely strigillose; pedicels (0.5-)1-2.5 cm. Seeds brown, 0.8-1 mm, papillose, with inconspicuous chalazal collar; coma dingy white, detaching easily. Fl. Jun-Sep, fr. Jul-Sep. 2n = 36.

Disturbed wet places along rivers, streams, and lakes, often along roadside ditches in mountains; (400-)1300-3200 m. Gansu, Guizhou, Hubei, Sichuan, Xizang, Yunnan [Afghanistan, Bhutan, India, Kashmir, Kyrgyzstan, Nepal, Pakistan, Russia; SW Asia].