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FOC | Family List | FOC Vol. 13 | Onagraceae | Epilobium

5. Epilobium roseum Schreber, Spicil. Fl. Lips. 147. 1771.

长柄柳叶菜 chang bing liu ye cai

Herbs erect, perennial, with fleshy elongated turions that leave leathery, obovate scales, rarely forming thin stolons. Stems 10-50 cm tall, simple or branched, strigillose usually mixed with glandular hairs throughout upper stem, glabrescent below, with 2 or 4 raised strigillose lines decurrent from margins of petioles. Leaves subsessile or petioles 2-10(-15) mm; cauline blade elliptic to oblong or lanceolate to narrowly ovate, 2.2-6 × 0.8-2.5 cm, subglabrous with strigillose margin and veins adaxially, base cuneate to rounded or subcordate, margin denticulate with 9-45 teeth per side, apex subobtuse to acute. Inflorescence and flowers erect. Sepals 3.5-5 mm. Petals pink to rose-purple, 5-8 mm. Stigma clavate to subcapitate, entire. Capsules 3-6 cm, strigillose and glandular pubescent; pedicels 0.6-1.5 cm. Seeds dark brown, 1-1.2 mm, papillose, with inconspicuous chalazal collar; coma white, detaching easily. 2n = 36.

Damp areas near streams, roadsides, ditches in mountains; 1500-2200 m. Xinjiang [Kazakhstan, Russia; C and SW Asia, Europe].

1 Plants with fleshy elongated basal turions; leaf petioles 3-10(-15) mm; stigma broadly clavate to subcapitate; capsules 4-6 cm.   5a subsp. roseum
+ Plants with filiform epigeous stolons or shorter, fleshy soboles; leaves subsessile (lower ones with petioles to 2 mm); stigma clavate; capsules 3-6 cm.   5b subsp. subsessile


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