Crepidiastrum tenuifolium (Willd.) Sennikov

Species

Angiosperms > Asterales > Asteraceae > Crepidiastrum

Characteristics

Herbs 10-70 cm tall, perennial, rosulate. Taproot strong, woody. Caudex woody, branching with age, with residues of old leaf bases. Stems solitary or few, erect, usually branching in upper half, leafy; branches ascending-erect. Rosette leaves numerous; petiole 3-9 cm, adaxially long brown tomentose, base ± expanded; leaf blade narrowly elliptic, 7-17 × 2-5 cm, pinnatisect to pinnatipartite; lateral lobes 6-12 pairs, opposite to alternate, very variable, narrowly elliptic, lanceolate, or linear, undivided or sparsely divided with linear segments, apex acute; terminal lobe similar to lateral ones. Stem leaves similar to rosette leaves but gradually smaller and less or not divided upward on stem. Synflorescence corymbiform or paniculiform-corymbiform, with some capitula. Capitula with 10-15 florets. Involucre narrowly cylindric, 8-11 mm. Phyllaries dark green, abaxially sparsely curled pilose or rarely glabrous, frequently crested or corniculate below apex, apex acute; outer phyllaries few, narrowly ovate, longest 1/3-1/2 as long as inner ones, apex acute; inner phyllaries 8. Achene black to blackish, fusiform, 4-6 mm, with 10-12 ribs, shortly and rather inconspicuously scabrid, apex attenuate to weakly beaked. Pappus white, 4-6 mm. Fl. and fr. Jul-Sep. 2n = 10.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.25 - 0.55
Root system tap-root
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 1-3
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-11

Usage

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

Cultivation

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

Distribution

Crepidiastrum tenuifolium world distribution map, present in China, India, Kazakhstan, Liberia, Mongolia, Nepal, Pakistan, Tajikistan, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:998904-1
WFO ID wfo-0000096070
COL ID ZD6X
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Crepis pulcherrima Berinia tenuifolia Youngia altaica Crepidifolium tenuifolium Crepis elegans Youngia tenuifolia Crepis altaica Lagoseris tenuifolia Crepidifolium altaicum Barkhausia tenuifolia Brachyderea tenuifolia Crepis baicalensis Chondrilla baicalensis Crepis tenuifolia Geblera tenuifolia Youngia diversifolia var. tenuiloba Youngia tenuifolia subsp. tenuifolia Youngia diversifolia var. lanciloba Crepis tenuifolia subsp. tenuifolia Youngia tenuifolia subsp. typica Youngia diversifolia var. diversifolia Youngia tenuifolia subsp. altaica Crepis pectinata Youngia tenuifolia subsp. diversifolia Crepidiastrum tenuifolium Crepidifolium tenuifolium var. tarbagataicum