Epimedium platypetalum K.Mey.
- Dataset
- GBIF Backbone Taxonomy
- Rank
- SPECIES
- Published in
- K. Mey. (1922). In: Repert. Spec. Nov. Regni Veg. Beih. 12: 389.
Classification
- kingdom
- Plantae
- phylum
- Tracheophyta
- class
- Magnoliopsida
- order
- Ranunculales
- family
- Berberidaceae
- genus
- Epimedium
- species
- Epimedium platypetalum
description
Description. Flowering stem 25 - 35 cm long. Rhizome thin, short or long-creeping, 1 - 3 mm in diameter. Leaves basal and cauline, trifoliolate; leaflets subrounded, ca. 4.5 x 4 cm, apex rounded, base deeply cordate with regularly rounded lobes, terminal leaflet with equal rounded lobes, lateral leaflets oblique with outer lobe large and rounded, inner lobe smaller and rounded, margin spinose-serrate, abaxially pilose. Flowering stem with 1 trifoliolate (rarely 5 - foliolate) leaves, sometimes 2 opposite trifoliolate leaves, occasionally 2 opposite unifoliolate leaves. Inflorescence raceme, 2 - 6 - flowered, 7 - 12 cm long, almost glabrous. Flowers ca. 10 mm in diameter, yellow, pedicels 0.5 - 1 cm long, glandular hairs. Outer sepals 4, green, triangular-lanceolate, ca. 2 x 1 mm. Inner sepals 4, purple-red, ovate, ca. 4 x 1.5 mm. Petals 4, yellow, spurless, ca. 6 - 8 x 4 - 5 mm, oblong, apex rounded. Stamens ca. 3 mm; anthers yellow, ca. 2 mm.
distribution
Distribution and habitat. Epimedium platypetalum occurs in Sichuan and Shanxi, often on mountain slopes with elevations ranging from 1300 m to 2800 m.
materials_examined
Specimens examined. China. Sichuan: Maoxian, S. Y. Chen 5210 (NAS). Nanjiang, B. L. Guo A 56 (IMD). Shanxi: Nanzheng, J. X. Lv, Y. P. Lv & X. F. Zhuo E 84009 (PE), E 84010 (PE), E 84052 (PE), S. X. Liu, J. X. Zhu & L. J. Liu 2016020 (JXCM).
Name
- Homonyms
- Epimedium platypetalum K.Mey.
- Common names
- mao wen yin yang huo in Chinese
- 茂汶淫羊藿 in Chinese