凹脉紫金牛 ao mai zi jin niu

Ardisia glauca Pitard (1930) not Mez (1920).

Shrubs 0.5-1(-3) m tall, glabrous. Branchlets somewhat angled, 2.5-3.5 mm in diam., glabrous. Petiole marginate, (5-) 7-12 mm; leaf blade elliptic, 8-14 × 3.5-6 cm, papery, base broadly cuneate, margin entire, apex acute or broadly acuminate; lateral veins 10-15 on each side of midrib, marginal vein undulate, ± interrupted. Inflorescences subterminal, paniculate, on specialized lateral branches 5-9 cm, with 1 or 2 reduced apical leaves, branches umbellate. Flowers papery, pink, ca. 4 mm. Pedicel subclavate, ca. 1 cm, slender. Sepals ovate, ca. 1.5 mm, punctate, sometimes sparsely scaly, base smooth, margin opaque, minutely ciliate, apex broadly acute. Petals ovate, ca. 4 mm, united at base; lobes densely and finely punctate, glabrous abaxially, minutely red glandular papillate near base adaxially, margin entire, opaque, apex acute. Stamens shorter than petals; filaments extremely short; anthers ovate, punctate or darkened dorsally, dehiscent by longitudinal slits, apex apiculate. Pistil as long as petals; ovary ovoid, glabrous; ovules numerous, multiseriate. Fruit dark reddish, globose, 6-7 mm in diam., pellucid punctate. Fl. Apr, fr. Oct-Jan.

Mixed forests, thickets, valleys, hillsides. Guangdong, Guangxi [Vietnam]