Draba handelii O.E.Schulz

Species

Angiosperms > Brassicales > Brassicaceae > Draba

Characteristics

Herbs perennial, 1.5-3 cm tall, densely cespitose, scapose. Caudex several and compactly branched, ultimate branches terminated in rosettes and covered with leaf remains of previous years. Stems erect, simple, tomentose with stellate trichomes. Basal leaves rosulate, persistent; petiole to 2 mm, ciliate with simple trichomes; leaf blade oblanceolate, 2-10 × 0.5-2.5 mm, densely tomentose with stellate trichomes the rays of which with 1 or 2 lateral branches, base attenuate, margin entire, apex obtuse or subacute. Cauline leaves absent. Racemes 3-10-flowered, ebracteate or lowermost flower bracteate, slightly elongated in fruit. Fruiting pedicels 1-3 mm, divaricate, straight or slightly recurved, tomentose all around with stellate trichomes. Sepals oblong, 1-1.2 × ca. 0.6 mm, erect, densely tomentose outside, sparsely tomentose inside, base of lateral pair not saccate, margin not membranous. Petals white, narrowly obovate, 1.5-2 × 0.6-0.8 mm, abaxially sparsely tomentose, apex rounded. Filaments 0.8-1.2 mm; anthers ovate, ca. 0.2 mm. Ovules 6-12 per ovary. Fruit oblong, 3-5 × 1-1.5 mm, not inflated, latiseptate, not twisted; valves densely puberulent with simple and forked trichomes, obscurely veined, base and apex obtuse; style 0.1-0.4 mm. Seeds brown, ovate, 0.6-0.8 × 0.4-0.5 mm. Fl. and fr. Jul.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.02 - 0.03
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 handelii world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:282639-1
WFO ID wfo-0000655403
COL ID 37J5J
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Draba handelii