Berberis mekongensis W.W.Sm.

Species

Angiosperms > Ranunculales > Berberidaceae > Berberis

Characteristics

Shrubs, deciduous, 1-2 m tall. Branches brownish gray, angulate, sparsely black verruculose; shoots initially puberulous, often ultimately glabrous; spines 3-fid, pale yellow, 1-2.5 cm, adaxially slightly sulcate. Petiole 3-10 mm; leaf blade adaxially deep yellow-green, obovate or broadly obovate, 1.5-4.5 × 1-2 cm, papery, abaxially papillose, not pruinose, midvein and lateral veins obviously raised, adaxially with slightly raised midvein and lateral veins, both surfaces with conspicuous reticulate veins, base cuneate, margin entire or 10-15-spinose-serrate on each side, apex rounded. Inflorescence an umbellate raceme, 6-12-flowered, 3-7 cm, with few fascicled flowers at base; bracts 1-1.5 mm. Pedicels 4-15 mm, glabrous. Sepals in 3 whorls; outer sepals lanceolate, ca. 4 × 1.4 mm; median sepals oblong-elliptic, 5-5.5 × 2-3 mm; inner sepals obovate, 6-6.5 × 3.5-4 mm. Petals obovate, 4-5 × 2.5-3.5 mm, base clawed, with separate glands, apex acute, incised. Stamens ca. 3.5 mm; anther connective prolonged, truncate. Ovules 2-4. Berry red, oblong, 8-10 × 4-6 mm, not pruinose, style not persistent. Fl. Jun-Jul, fr. Oct-Nov.
Life form perennial
Growth form shrub
Growth support -
Foliage retention
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0 - 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) 6-10

Usage

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

Cultivation

Mode -
Germination duration (days) 60 - 180
Germination temperacture (C°) 10 - 18
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Berberis mekongensis world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:106887-1
WFO ID wfo-0000563519
COL ID LJXS
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Berberis mekongensis