Draba ussuriensis Pohle

Species

Angiosperms > Brassicales > Brassicaceae > Draba

Characteristics

Herbs perennial, 3-15 cm tall, loosely cespitose, scapose. Caudex several branched, ultimate branches terminated in rosettes and covered with leaf remains of previous years. Stems erect, simple, sparsely pubescent with stellate trichomes, glabrous distally. Basal leaves rosulate, persistent; petiole to 5 mm, ciliate with simple trichomes; leaf blade oblong-obovate, spatulate, or oblanceolate, 0.6-1.6 cm × 2-4 mm, pubescent with subsessile stellate trichomes 1 or 2 rays of which forked or with a lateral branch, base attenuate, margin entire or 1-3-toothed on each side, ciliate with simple trichomes, apex obtuse to acute. Cauline leaves absent or 1 or 2(or 3), sessile; leaf blade ovate to oblong, 2-9 × 1-3 mm, pubescent as basal leaves, base obtuse, margin entire or 1-3-toothed, apex acute. Racemes 5-17-flowered, ebracteate, elongated in fruit. Fruiting pedicels 4-13 mm, divaricate, straight, slender, glabrous. Sepals ovate-oblong, 1.8-2.5 × 0.9-1.3 mm, erect, abaxially sparsely pubescent, base of lateral pair not saccate, margin not membranous. Petals white, narrowly obovate, (3.5-)4-6 × 2-3 mm, apex subemarginate. Filaments 1.5-2.5 mm; anthers ovate, 0.2-0.3 mm. Ovules 12-16 per ovary. Fruit oblong-ovate to elliptic, 5-8(-10) × 2-2.5 mm, not inflated, latiseptate, not twisted; valves glabrous or pilose, not veined, base and apex acute; style ca. 1 mm. Mature seeds not seen. Fl. and fr. Jul-Aug. 2n = 16, 32.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.15
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 90
Germination temperacture (C°) 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Draba ussuriensis world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:283168-1
WFO ID wfo-0000656275
COL ID 37JKC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Draba villosula Draba ussuriensis