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FOC | Family List | FOC Vol. 19 | Berberidaceae | Epimedium

28. Epimedium davidii Franchet, Nouv. Arch. Mus. Hist. Nat., sér. 2. 8: 195. 1885.

宝兴淫羊藿 bao xing yin yang huo

Epimedium membranaceum K. Meyer.

Herbs, 30-50 cm tall. Rhizome shortly creeping, stout. Leaves basal and cauline, (3 or)5-foliolate, basal leaf usually much shorter than flowering stem leaf, 12-25 cm; leaflets abaxially glaucescent, adaxially deep green, shiny, ovate or broadly ovate, 6-12 × 2-5 cm, leathery or papery, abaxially papillose and sparsely pubescent with short appressed hairs, both surfaces with distinct reticulate veins, base deeply or shallowly cordate with subequal rounded lobes, margin spinose-serrate, apex obtuse or acute. Flowering stem with 2 trifoliolate opposite leaves, rarely alternate or 3 leaves. Panicle loosely 6-24-flowered, 15-25 cm. Pedicel 1.5-2 cm, slender, glandular. Flowers pale yellow, 2-3 cm in diam. Outer sepals ovate, 2-4 mm, blunt; inner sepals pale reddish, narrowly ovate, 6-7 × 3-4 mm, apex acute. Petals much longer than inner sepals, lamina distinct, petaloid, rounded, forming a cup 7-13 mm deep; spur slender, curved, subulate, 1-1.5 cm. Stamens included, 3-4 mm; filaments flat, ca. 7 mm; anthers ca. 4 mm, valved. Ovary ca. 5 mm. Capsule 1.5-2 cm; style ca. 5 mm, rostrate. Fl. Apr-May, fr. May-Aug.

● Forests, thickets, mixed forests by streams, rock crevices; 1400-3000 m. Sichuan, Yunnan.


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