Vitis betulifolia Diels & Gilg

Birch-leaf grape (en)

Species

Angiosperms > Vitales > Vitaceae > Vitis

Characteristics

Branchlets terete, with conspicuous longitudinal ridges and sparse lanate tomentum when young, then becoming glabrescent; tendrils bifurcate, leaf-opposed. Leaves simple; stipules brownish, lanceolate, 2.5-6 × 1.5-3 mm, membranous, glabrous, margin entire, apex acute or obtuse; petiole 2-6.5 cm, with arachnoid tomentum when young, then glabrescent; leaf blade oval or ovate-elliptic, undivided or 3-lobed, 4-12 × 3.5-9 cm, abaxially densely tomentose when young, then hairs falling off and only veins pubescent or nearly glabrous, adaxially pubescent and with sparse arachnoid tomentum when young, then glabrescent, basal veins 5, lateral veins 4-6 pairs, veinlets slightly raised abaxially, base cordate or subtruncate, rarely subrounded on upper leaves, margin 15-25-toothed on each side, teeth sharp, apex acute or acuminate. Panicle leaf-opposed, with well-developed basal branches, loose, 4-15 cm, with arachnoid tomentum when young, then nearly glabrescent. Pedicel 1.5-3 mm, glabrous. Buds obovoid, 1.5-2 mm, apex rounded. Calyx ca. 0.2 mm, margin membranous, entire. Filaments filiform, 1-1.5 mm; anthers yellow, elliptic, ca. 0.4 mm. Ovary oval; style short. Berry purple-black at maturity, globose, 8-10 mm in diam. Seeds obovoid, apex rounded, chalazal knot rounded or elliptic, ventral holes furrowed upward 2/3-3/4 from base. Fl. Mar-Jun, fr. Jun-Nov.
More
A woody creeper. It loses its leaves during the year. The small branches have a web like mass of white hairs. The leaves are obliquely oval. They are 5-10 cm long by 4-9 cm wide. They taper to the tip and have a shallowly heart shaped base. The flowers are small and yellowish-green. The fruit are round and black. They are 7-12 mm long and sweet.
Life form perennial
Growth form shrub
Growth support climber
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 2.5 - 4.0
Mature height (meter) -
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

It is a temperate plant. It grows wild in deciduous forests between 1,500-2,700 m altitude in central and western China. In Sichuan and Yunnan.
Light 4-9
Soil humidity -
Soil texture -
Soil acidity 4-8
Soil nutriment -
Hardiness (USDA) 8-10

Usage

The ripe fresh fruit are eaten.
Uses gene source medicinal
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings.
Mode cuttings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Vitis betulifolia world distribution map, present in China and Myanmar

Identifiers

LSID urn:lsid:ipni.org:names:68577-1
WFO ID wfo-0001146037
COL ID 5BLKL
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Vitis hexamera Vitis betulifolia Vitis trichoclada Vitis shimenensis