Aster prainii (J.R.Drumm.) Y.L.Chen

Species

Angiosperms > Asterales > Asteraceae > Aster

Characteristics

Herbs, perennial, 4-10 cm; rhizomes creeping or ascending, caudices stout, multibranched, sometimes with long, slender stolons bearing rosettes. Stems erect or ascending, simple, densely white lanate, sparsely minutely stipitate glandular, collar with marcescent leaf petioles. Leaves basal and cauline; cauline leaves abruptly reduced, densely white lanate, margin entire; basal leaves present at anthesis, long petiolate (petiole to 2 cm); blade spatulate, 0.6-1.5 × 0.4-0.8 cm, base attenuate, midvein visible, inconspicuously 3-veined, apex rounded to obtuse; middle cauline leaves spatulate, 0.6-0.8 cm; upper cauline leaves linear, often surrounding involucre. Capitula terminal, solitary, ca. 4.5 cm in diam. Involucres broadly campanulate, 12-15 mm; phyllaries 3-seriate, oblong-lanceolate, densely lanate; outer phyllaries sometimes squarrose, 8-12 × 1.5-2 mm, multiveined, apex acuminate, tip purplish; inner phyllaries 10-12 × ca. 1.5 mm. Ray florets 38-40, deep blue, tube and lamina base hairy, eglandular, lamina 10-16 × ca. 2 mm; disk florets orange becoming purplish, 6.5-7 mm, limb funnelform, ca. 5 mm, sparsely villosulous, lobes erect, triangular, ca. 1 mm, lanate. Achenes (immature) narrowly obovoid, compressed, ca. 3 mm, densely strigillose, 4-ribbed. Pappus 4-seriate, straw-colored, sometimes apically reddish, bristles barbellate; outermost series of numerous, white scales 0.7-1 mm; outer bristles slender, 4-5 mm; inner bristles 6-7 mm, acute; innermost bristles 7-8 mm, weakly clavate. Fl. Aug-Sep.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.04 - 0.1
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-11

Usage

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

Cultivation

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

Distribution

Aster prainii world distribution map, present in Bhutan, China, and India

Identifiers

LSID urn:lsid:ipni.org:names:60437425-2
WFO ID wfo-0000065758
COL ID HQRC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Chlamydites prainii Aster prainii