Erigeron quercifolius Lam.

Oakleaf fleabane (en), Érigéron de Philadelphie (fr), Vergerette de Philadelphie (fr)

Species

Angiosperms > Asterales > Asteraceae > Erigeron

Characteristics

Resembling no. 3 [Erigeron philadelphicus L.], but ± villous-hirsute, the hairs usually shorter, those of the upper part (to 1/2 or even more) of the stem sometimes appressed; stems slender, 1–4(–6) dm; basal lvs oblanceolate to obovate, sinuately lobed to subentire, 1–14 × 0.5–4 cm; cauline lvs ± reduced, sometimes clasping; heads 1–many, the infl more nearly naked than in no. 3; invol 2.5–4 mm, viscid-villous, the bracts darker than in no. 3; disk 5–10 mm wide; rays 100–250, to 5 × 0.5 mm, blue or light blue-lavender, varying to sometimes white or seldom pinkish; disk-cors 1.5–2.5 mm; pappus-bristles ca 10–15; 2n=18, 36. Moist, sandy places and pine woods; coastal plain from Va. to Tex.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.6
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 1-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-10

Usage

Uses medicinal
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 -

Images

Leaf

Erigeron quercifolius leaf picture by Josh Senften (cc-by-sa)
Erigeron quercifolius leaf picture by David Robinson (cc-by-sa)

Flower

Erigeron quercifolius flower picture by Donna Taylor (cc-by-sa)
Erigeron quercifolius flower picture by David Robinson (cc-by-sa)
Erigeron quercifolius flower picture by Rick Schupp (cc-by-sa)

Distribution

Erigeron quercifolius world distribution map, present in Bahamas and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:204402-1
WFO ID wfo-0000003474
COL ID 6GQ57
BDTFX ID 78659
INPN ID 162416
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Aster quercifolius Diplemium quercifolium Erigeron quercifolius