Rhamnus rugulosa Hemsl. ex F.B.Forbes & Hemsl.

Species

Angiosperms > Rosales > Rhamnaceae > Rhamnus

Characteristics

Shrubs dioecious, more than 1 m tall, spinescent. Young branches gray-green, turning red-purple, puberulent or glabrous; old branches alternate, dark red or purple-black, shiny, smooth, glabrous, terminating in a spine; axillary buds ovoid, small, with few scales, sparsely hairy. Leaves alternate on long shoots, or 2-5-fascicled on short shoots; stipules linear, caducous; petiole 5-16 mm, white pilose; leaf blade abaxially gray-green or gray-white, adaxially dark green, obovate-elliptic, obovate, or ovate-elliptic, rarely ovate or broadly elliptic, 3-10 × 2-6 cm, thickly papery, both surfaces densely whitish pubescent, lateral veins 5-7(-8) pairs, prominent abaxially, impressed adaxially, base rounded or cuneate, margin obtusely serrulate or shallowly denticulate, or inconspicuously denticulate at lower margin, apex acute or shortly acuminate, rarely subrounded. Flowers yellow-green, unisexual, 4-merous, sparsely pilose. Pedicels ca. 5 mm, sparsely hairy. Male flowers few to 20; calyx tube narrowly campanulate; sepals narrowly triangular; petals present. Female flowers 1-10-fascicled on lower part of annual branches or on short shoots; calyx tube hemispherical; sepals narrowly triangular; petals absent; stamens rudimentary; ovary globose; style long, shortly 2-or 3-cleft apically. Drupe purple-black or black at maturity, obovoid-globose or globose, 6-8 mm, ca. 4 mm in diam., with 2 or 3 stones, with persistent calyx tube at base; fruiting pedicel 5-16 mm, sparsely hairy. Seeds brown, shiny, oblong-obovoid, ca. 7 mm, abaxially with margined furrow ca. as long as seeds. Fl. Apr-May, fr. Jun-Sep.
Life form
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.0
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 -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-10

Usage

Uses medicinal
Edible -
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 rugulosa world distribution map, present in China and Korea (Democratic People's Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:718625-1
WFO ID wfo-0001131441
COL ID 6WTX3
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rhamnus diamantiaca Rhamnus rugulosa Rhamnus obovatilimba Rhamnus chekiangensis Rhamnus koraiensis Rhamnus virgata var. sylvestris Rhamnus rugulosa var. rugulosa Rhamnus rugulosa var. chekiangensis Rhamnus rugulosa var. glabrata