Ajania przewalskii Poljakov

Species

Angiosperms > Asterales > Asteraceae > Ajania

Characteristics

Herbs, perennial, 35-80 cm tall; rhizomes short, procumbent, with slender fibrous roots; cataphylls brown, ovate. Stems erect, shortly branched at apex, red-purple, pubescent, especially in upper part. Petiole ca. 1 cm; leaf blade broadly ovate or ovate, 2-5 × 1.5-4 cm, abaxially gray-white, densely pubescent, adaxially green, glabrous or sparsely pubescent, 2-pinnatisect; primary lateral segments 2-4-paired, dense, 3-5 mm apart; ultimate segments linear-lanceolate or narrowly elliptic. Leaves below synflorescence small. Synflorescence a large, terminal, compound flat-topped panicle. Capitula many. Involucres campanulate, 2.5-3 mm in diam.; phyllaries in 4 rows, scarious margin brown, outer ones ovate or lanceolate, ca. 1.5 mm, abaxially puberulent, middle and inner ones elliptic to oblanceolate or lanceolate, ca. 2.5 mm, abaxially glabrous. Florets yellow, exterior with sessile glands; marginal female florets 4-7, corolla narrowly tubular, apex 3-denticulate; disk florets many, corolla tubular. Achenes ca. 0.8 mm. Fl. and fr. Jul-Sep. 2n = 36*.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.35 - 0.8
Root system fibrous-root rhizome
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) 6-10

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

Ajania przewalskii world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:175811-1
WFO ID wfo-0000083134
COL ID BDJY
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Chrysanthemum przewalskii Ajania przewalskii