Erigeron calvus Coville

Bald fleabane (en)

Species

Angiosperms > Asterales > Asteraceae > Erigeron

Characteristics

Biennials or short-lived perennials, 10–14 cm; taprooted, without well-developed caudices. Stems ascending, hirsute, minutely glandular. Leaves basal (persistent) and cauline (petioles prominently ciliate, at least on proximal portions, hairs spreading, thick-based); basal blades oblong-spatulate to obovate-spatulate, 30–50 × 4–6 mm, cauline abruptly reduced distally, margins entire, faces hirsuto-villous, minutely glandular. Heads (disciform) 1–3 (usually from branches proximal to midstems). Involucres ca. 5 × 13–14 mm. Phyllaries in 2–3 series, coarsely hirsute, minutely glandular. Ray (pistillate) florets ca. 50–100; corollas usually tubular, lacking laminae, or laminae shorter than involucres. Disc corollas 4–5.1 mm (throats white-indurate, somewhat inflated, glabrate). Cypselae 1.5–1.6 mm (immature), 2-nerved, faces sparsely strigose (carpopodia whitish); pappi: outer of setae, inner of 15–20 bristles.
Life form
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.15
Root system tap-root
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) -

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 calvus world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:93630-2
WFO ID wfo-0000037682
COL ID 6GNM7
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Erigeron calvus