Eriophyllum congdonii Brandegee

Congdon's woolly sunflower (en)

Species

Angiosperms > Asterales > Asteraceae > Eriophyllum

Characteristics

Annuals, 10–30 cm. Stems ± spreading. Leaves: oblanceolate, 10–40 mm, rarely 2–3-lobed, ultimate margins usually entire, plane (apices acute), faces ± woolly. Heads borne singly. Peduncles 3–10 cm. Involucres campanulate, 3–5 mm diam. Phyllaries 8–10, distinct. Ray florets 8–10; laminae yellow, 3–5 mm. Disc florets 10–30; corollas 2–3 mm (tubes cylindric, throats funnelform, gradually dilated, lobes not glandular; anther appendages deltate, glandular). Cypselae 2.5–3 mm; pappi of 3–5 ± spatulate scales 0.5–1 mm plus 3–5 lanceolate scales 1.5–2 mm. 2n = 14.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.3
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 1-3
Soil texture 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) 14 - 42
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Eriophyllum congdonii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:95801-2
WFO ID wfo-0000051404
COL ID 3B5DY
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Eriophyllum congdonii Eriophyllum nubigenum var. congdonii