Erigeron davisii (Cronquist) G.L.Nesom

Species

Angiosperms > Asterales > Asteraceae > Erigeron

Characteristics

Perennials, 10–30 cm; taprooted, caudices simple or with relatively short, thick branches. Stems erect, hirsuto-villous to loosely strigose (hairs relatively translucent and vitreous, unequal in lengths, 0.1–1 mm), sometimes sparsely minutely glandular. Leaves mostly basal (persistent; petioles prominently ciliate, hairs spreading, thick-based), eglandular; blades linear to narrowly oblanceolate, 20–100 × 1–3.5 mm, abruptly reduced distally, margins entire, faces strigose to strigoso-hirsute, eglandular. Heads 1. Involucres 5–8 × 10–15 mm. Phyllaries in 2–3 series, loosely hirsute to hirsuto-villous, sometimes sparsely minutely glandular. Ray florets 50–80; corollas usually white, 8–14 mm, laminae (1.2–1.8 mm wide) coiling. Disc corollas 3.1–4 mm (glabrate, throats not indurate or inflated). Cypselae (obovoid) 2.1–2.5 mm, 2-nerved, faces sparsely to moderately strigoso-villous; pappi: outer of setae, inner of 14–20 bristles.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.3
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 davisii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:60436238-2
WFO ID wfo-0000031528
COL ID 6GP9J
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Erigeron davisii Erigeron engelmannii subsp. davisii Erigeron engelmannii var. davisii