Aster oldhamii Hemsl.

Species

Angiosperms > Asterales > Asteraceae > Aster

Characteristics

Herbs, biennial, 50-60 cm tall, taprooted. Stems erect, sometimes decumbent, branched from lower part; branches ascending, sparsely to moderately (upward) villous-strigose, strigillose, with sessile glands upward. Leaves thick, margin entire, strigose-ciliate; basal leaves rosulate, withered by anthesis; blade spatulate-oblong, 8-15 × 3-6 cm, glabrous or glabrate, base attenuate, apex rounded; cauline leaves spatulate-oblong or narrowly obovate to oblong, 2.5-4.5 × 0.8-1.7 cm, glabrate, base cuneate, margin entire, strigose-ciliate, apex rounded; uppermost leaves remote, oblanceolate, gradually reduced, 0.5-1.2 × 0.2-0.4 cm. Capitula radiate or sometimes discoid, terminal, solitary on branches, forming open paniculate-corymbiform synflorescences, ca. 25 mm in diam. Involucres hemispheric, 0.6-1 cm in diam.; phyllaries 2-seriate, subequal, lanceolate to spatulate or oblanceolate (inner), 5-6 mm, ± strigose, margin sometimes partly scarious, strigose-ciliate, apex acute to acuminate. Ray florets sometimes absent, whitish, ca. 10 × 1.3-3 mm, tube 1-1.7 mm, sparsely hairy; disk florets 3-4.5 mm, tube 0.8-1.5 mm, tube and limb hairy, limb narrowly campanulate to campanulate, lobes unequal, 1 longer, 0.4-0.6(-1.3) mm, minutely with sessile glands and/or strigose-hairy. Achenes obovoid to broadly obovoid, compressed, 1.8-2.5 mm, strigose. Pappus of ray florets whitish, lacerate scales 0.4-1(-1.5) mm, of disk florets reddish, stout bristles 1.8-2.5(-3.5) mm.
Life form biennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.5 - 0.6
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
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) -
Germination temperacture (C°) -
Germination luminosity light
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Aster oldhamii unspecified picture

Distribution

Aster oldhamii world distribution map, present in China and Taiwan, Province of China

Identifiers

LSID urn:lsid:ipni.org:names:181884-1
WFO ID wfo-0000001534
COL ID HQM3
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Heteropappus oldhamii f. oldhamii Heteropappus oldhamii Aster oldhamii Heteropappus hispidus var. oldhamii