Rhamnus grandiflora C.Y.Wu

Species

Angiosperms > Rosales > Rhamnaceae > Rhamnus

Characteristics

Shrubs 2-3 m tall, spinescent. Young branches alternate, rarely subopposite, black-brown or red-brown, often brownish pilose, terminating in an obtuse spine; old branches glabrous, with irregular slits. Leaves alternate or fascicled on short shoots; stipules subulate-linear, longer than petioles, caducous; petiole 3-8 mm, adaxially canaliculate, pilose; leaf blade abaxially pale gray, adaxially dark green, oblanceolate-oblong or elliptic, 3.5-7.5 × 2-4 cm, thinly papery or papery, abaxially pilose, adaxially with adpressed, short hairs, lateral veins 4-6 pairs, prominent abaxially and slightly red, impressed adaxially, base cuneate or broadly cuneate, lower margin subentire or inconspicuously denticulate, upper margin hooked incurved-serrate, apex long acuminate or caudate-acuminate. Flowers yellow-green, large, 4-merous, usually 3-5-fascicled in leaf axils of lower part at branchlets. Pedicels 3-5 mm, puberulent. Male flowers campanulate, 5-6 mm, puberulent or glabrous; sepals ovate-lanceolate, 3-3.5 mm, 3-veined, apex acuminate; petals oblong, ca. equal to stamens, 2-2.5 mm, apex obtuse or mucronulate; rudimentary ovary minute; styles 2-fid. Female flowers: petals very short, fibrous; ovary subglobose; styles 3-cleft to half; stigma incurved. Drupe globose, 3-5 mm in diam., with 2 or 3 stones, with persistent, shallow, cup-shaped calyx tube at base; fruiting pedicel 4-7 mm, puberulent. Seeds dark brown, abaxially with margined short furrow for 1/4 of length. Fl. May-Jun, fr. Jul-Oct.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 4.0
Mature height (meter) 4.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 6-10

Usage

Uses -
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Rhamnus grandiflora world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:718357-1
WFO ID wfo-0001131447
COL ID 4S23H
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rhamnus grandiflora