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FOC | Family List | FOC Vol. 15 | Myrsinaceae | Ardisia

21. Ardisia hokouensis Yuen P. Yang, Bot. Bull. Acad. Sin., n.s. 30: 297. 1989.

粗梗紫金牛 cu geng zi jin niu

Ardisia crassipes C. Y. Wu & C. Chen (1977), not Lundell (1968).

Shrubs or subshrubs ca. 1 m tall, without creeping rhizomes. Branchlets somewhat angular, 5-7 mm in diam., succulent, reddish glandular papillate, glabrescent. Petiole marginate, 3-4 cm; leaf blade oblong-obovate, ca. 28 × 10 cm, membranous, glabrous, densely black punctate-lineate and punctate, base cuneate, somewhat decurrent, margin repand-crenate distally and entire near base, apex acuminate; lateral veins ca. 21 on each side of midrib, raised on both surfaces, marginal vein evident. Inflorescences umbellate, simple, to 10-flowered, lateral or axillary, glabrous. Flowers membranous, pinkish, ca. 9 mm. Pedicel ca. 3 cm, glabrous, thickened at apex. Sepals ovate or broadly ovate, densely punctate, margin entire, glabrous, apex rounded. Petals nearly free, broadly ovate, ca. 9 × 6 mm, inconspicuously pellucid, margin entire, apex abruptly acuminate. Stamens shorter than petals; filaments shorter than anthers; anthers broadly ovate, longitudinally dehiscent, not punctate dorsally, apex acute. Pistil as long as petals, glabrous; ovary glabrous; ovules ca. 5, uniseriate. Fruit unknown. Fl. Apr.

* Hillsides, roadsides; ca. 500 m. Yunnan (Hekou)

Ardisia hokouensis is very closely related to A. rabilis H. R. Fletcher and A. translucida H. R. Fletcher, and may prove to be conspecific upon further study.


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