Erigeron patentisquama Jeffrey

Species

Angiosperms > Asterales > Asteraceae > Erigeron

Characteristics

Herbs, perennial, 20-45 cm tall; rhizome woody. Stems solitary or several, erect to ascending, sometimes procumbent, ca. 3 mm in diam., purplish or green, branched from middle or upper part, rarely simple, moderately to densely hirsute and strigose, often ± densely long-stipitate glandular in upper part. Leaves: surfaces sparsely to ± densely hirsute and shortly strigose, densely stipitate glandular, sometimes sparsely so; basal dense, rosulate, long winged petiolate, blade spatulate or oblanceolate-spatulate, 4-15 × 0.6-2 cm, 3-veined and with 2-4 lateral veins, base attenuate, margin entire, apex obtuse, mucronulate; mid and upper sessile, blade narrowly lanceolate or lanceolate to lanceolate-ovate, 2-7 × 0.5-1 cm, base semiclasping, apex acuminate or acute, uppermost reduced, linear or linear-lanceolate. Capitula solitary or 2-4 in corymbiform synflorescences, ca. 2.5 cm in diam. Involucre hemispheric, 1-1.5 × 1.5-2 cm; phyllaries 3-seriate, subequal or inner somewhat longer, lanceolate, 0.8-1 mm wide, exceeding disk florets, sparsely to ± densely villous and shortly strigose, ± densely stipitate glandular, margin stipitate glandular, apex spreading, often squarrose, outer leaflike, green, inner membranous, margin narrowly scarious. Ray florets 3-seriate, purple, 8-13.7 mm, ± exceeding involucre, tube 2-3.3 mm, sparsely hairy above, lamina linear, 0.4-0.6 mm wide, involute; disk florets yellow to orange, limb or lobes sometimes purplish, ca. 4.3 mm, tube 1-1.5 mm, limb narrowly funnelform, lobes hairy, anthers and style branches often exserted from corolla. Achenes straw-colored, oblong or lanceoloid, compressed, 2.5-3 mm, ± densely strigose, particularly at base, 1-veined on back, veins orange. Pappus yellowish, 2-seriate, outer bristles 0.2-0.7 mm, inner 3.6-4.5 mm. Fl. Jul-Sep.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.45
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) 6-10

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 patentisquama world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:204284-1
WFO ID wfo-0000083020
COL ID 6GPSK
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Erigeron patentisquama