Erigeron tianschanicus Botsch.

Species

Angiosperms > Asterales > Asteraceae > Erigeron

Characteristics

Herbs, perennial, 5-60 cm tall, caespitose; rhizomes woody; caudex branched. Stems several, 1-3 mm in diam., green or reddish, branched, hirsute-villous, stipitate glandular, sometimes also strigillose. Leaves green, surfaces sparsely hirsute-villous or glabrous, sparsely to densely stipitate glandular (or rarely eglandular), margin entire, hirsute-ciliate; basal long petiolate, petiole base clasping, blade oblanceolate or lanceolate, 2-15 × 0.2-0.8(-1.7) cm, base attenuate, apex acute to obtuse, mucronate; cauline 0.5-2 × 0.1-0.3 cm, lower similar to basal, upper sessile, blade lanceolate to linear-lanceolate, subclasping, apex acute. Capitula several, in corymbose-racemiform synflorescences, 7-11 × 14-23 mm. Involucre hemispheric; phyllaries 3-seriate, green, slightly shorter than disk florets, linear-lanceolate, sparsely hirsute-villous, moderately to densely stipitate glandular, apex acute, outer ca. 1/2 as long as inner, inner 5-7 × 0.5-0.8 mm, margin narrowly scarious. Ray florets 2-or 3-seriate, outer laminate, 5.9-8 mm, tube 2.5-3 mm, blue, ca. 0.5 mm wide, inner reduced to tube, 2.3-2.9 mm; disk florets yellow, lobes becoming reddish, 3.4-4.1 mm, tube ca. 3 mm, hairy distally, limb cylindric-funnelform, lobes ovate, ca. 4 mm. Achenes oblong-lanceoloid, slightly compressed, 2-2.2 mm, strigose. Pappus yellowish, 2-seriate, outer bristles short, ca. 0.5 mm, inner 4-4.8 mm. Fl. Jul-Sep.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.33 - 0.6
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) 4-10

Usage

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

Cultivation

Mode -
Germination duration (days) 15 - 20
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Erigeron tianschanicus world distribution map, present in China, Kazakhstan, and Kyrgyzstan

Identifiers

LSID urn:lsid:ipni.org:names:204600-1
WFO ID wfo-0000034934
COL ID 6H26W
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Erigeron tianschanicus Erigeron coeruleus