Description
provided by Phytokeys
Herbs 16–80 cm tall. Rhizome long creeping or compact, 1–5 mm in diam., internodes can be more than 10 cm. Leaves basal and cauline, usually trifoliolate or occasionally unifoliolate; leaflets of trifoliolate leaves narrowly ovate or lanceolate, 4.6–15.3 × 2.4–7.6 cm, apex acuminate, base deeply or shallowly cordate with a narrow sinus, terminal leaflet with equal and obtuse lobes, lateral leaflets conspicuously oblique with inner lobe small and obtuse, outer lobe larger and obtuse, acute or acuminate. Unifoliolate leaves ovate, broadly ovate or lanceolate, 5.0–13.0 × 2.5–6.5 cm, apex acuminate, base deeply cordate with lobes equal and obtuse or acute. Leaves coriaceous, margin spinous-serrate, adaxially deep green, obtuse, abaxially covered with villi. Petiolule, petiole and flowering stem with multicellular glandular hairs and villi, which are densest at nodes. Flowering stems usually have 2 opposite trifoliolate leaves, sometimes with 3 whorled trifoliolate leaves, 1 unifoliolate or trifoliolate leaf, rarely with 2 opposite unifoliolate or 2 leaves (alternate or opposite) with one trifoliolate and the other unifoliolate. Inflorescence racemose or compound with 8–24(–36)-flowered, 9.6–16 cm long; inflorescence axis and pedicels glandular pubescent. Pedicel 1–3 cm long. Flowers, ca. 3 cm, pale yellow, pale purple or purple. Sepals 8 in 2 whorls; outer sepals ovate, ca. 3.5 × 2 mm, red-purple; inner sepals narrowly ovate, 8–10 × 4–6 mm, white to faintly pink. Petals spurred without lamina, pale yellow, pale purple or purple, horn-shaped, 13–20 mm long. Stamens ca. 4 mm long; anthers yellow or green, ca. 3 mm long. Follicles oblong, 12–19 mm long; style rostriform. Seeds numerous.
- license
- cc-by-3.0
- copyright
- Yanqin Xu, Linjian Liu, Shaoxiong Liu, Yiming He, Renqing Li, Fei Ge
- bibliographic citation
- Xu Y, Liu L, Liu S, He Y, Li R, Ge F (2019) The taxonomic relevance of flower colour for Epimedium (Berberidaceae), with morphological and nomenclatural notes for five species from China PhytoKeys (118): 33–64
- author
- Yanqin Xu
- author
- Linjian Liu
- author
- Shaoxiong Liu
- author
- Yiming He
- author
- Renqing Li
- author
- Fei Ge
Distribution
provided by Phytokeys
Endemic to Chongqing, Western of China, usually occurs in forests or thickets. The elevations ranged from 850 m to 1160 m (Fig. 4).
- license
- cc-by-3.0
- copyright
- Yanqin Xu, Linjian Liu, Shaoxiong Liu, Yiming He, Renqing Li, Fei Ge
- bibliographic citation
- Xu Y, Liu L, Liu S, He Y, Li R, Ge F (2019) The taxonomic relevance of flower colour for Epimedium (Berberidaceae), with morphological and nomenclatural notes for five species from China PhytoKeys (118): 33–64
- author
- Yanqin Xu
- author
- Linjian Liu
- author
- Shaoxiong Liu
- author
- Yiming He
- author
- Renqing Li
- author
- Fei Ge