Rhamnus hainanensis Merr. & Chun

Species

Angiosperms > Rosales > Rhamnaceae > Rhamnus

Characteristics

Shrubs scandent, rarely erect, dioecious, unarmed. Young branches with numerous tuberculate lenticels, sparsely puberulent when young; old branches glabrescent. Petiole 7-15 mm, puberulent; leaf blade shiny on both sides, green-yellow when dry, elliptic or oblong-ovate, 5-11 × 2.5-4.5 cm, papery, abaxially golden-yellow puberulent on veins, rarely subglabrous, adaxially glabrous, lateral veins 5-7 pairs, distinctly prominent abaxially, slightly impressed or not adaxially, base rounded, margin serrulate or obtusely serrate, apex acuminate or acute. Flowers unisexual, 5-merous, solitary or 2-4 in axillary, cymose racemes; bracts very small, to 4 mm. Pedicels 2-3 mm, sparsely puberulent. Sepals caducous, oblong-lanceolate, adaxially with inconspicuous midvein, apex acute. Petals broadly elliptic, apex nearly truncate. Stamens equaling petals, slightly shorter than sepals. Ovary globose, 3-loculed; style (2 or)3-fid, ca. 1.5 × as long as ovary. Drupe deep red or purple-red at maturity, obovoid-globose or globose, 6-7 mm, 5-6 mm in diam., with persistent calyx tube at base, with 3 stones; fruiting pedicel 5-7 mm. Seeds abaxially with margined furrow for 1/2 of length. Fl. Aug-Nov, fr. Mar of following year.
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Growth form shrub
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Foliage retention deciduous
Sexuality
Pollination entomogamy
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OctNovDec
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OctNovDec
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Environment

Dense forests in valleys; at elevations from 600-900 metres.
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Hardiness (USDA) 8-12

Usage

Uses dye medicinal oil wood
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Cultivation

Can be grown by seedlings.
Mode seedlings
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Distribution

Rhamnus hainanensis world distribution map, present in China and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:718365-1
WFO ID wfo-0001131418
COL ID 4S23S
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rhamnus hainanensis