Draba sekiyana Ohwi

Species

Angiosperms > Brassicales > Brassicaceae > Draba

Characteristics

Herbs perennial, 3-6 cm tall, densely cespitose. Caudex several branched, ultimate branches terminated in sterile shoots or rosettes, covered with leaf remains of previous years. Stems erect, simple, moderately pilose or puberulent with crisped, primarily simple trichomes. Basal leaves rosulate, persistent; petiole to 5 mm, ciliate with simple trichomes; leaf blade lanceolate to oblanceolate, 4-10 × 1-2 mm, sparsely to moderately pilose with simple and much fewer, short-stalked forked trichomes, base attenuate, margin entire, apex obtuse to acute. Cauline leaves 1-3, sessile; leaf blade oblong to narrowly ovate, similar in idumentum to basal leaves. Racemes 4-8-flowered, ebracteate or rarely lowermost flower bracteate, elongated in fruit. Fruiting pedicels 4-12 mm, ascending to suberect, straight or slightly curved, slender, pilose or puberulent all around with simple trichomes. Sepals oblong, 1.5-2 × 0.6-0.8 mm, erect, abaxially sparsely pilose with simple trichomes sometimes mixed with much fewer ones, base of lateral pair not saccate, margin not membranous. Petals white, narrowly obovate, 2.5-3 × 0.9-1.1 mm, apex rounded. Filaments 1-1.7 mm; anthers ovate, 0.3-0.4 mm. Ovules 14-20 per ovary. Fruit oblong to elliptic, 5-10 × 1.5-2.5 mm, not inflated, latiseptate, slightly twisted; valves glabrous, obscurely veined, base obtuse, apex acute; style 0.1-0.4 mm. Seeds brown, oblong, ca. 1.1 × 0.6 mm. Fl. and fr. Aug-Sep.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.06
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 sekiyana world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:283052-1
WFO ID wfo-0000656105
COL ID 37JG5
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Draba sekiyana