Wyethia helianthoides Nutt.

Sunflower mule-ears (en)

Species

Angiosperms > Asterales > Asteraceae > Wyethia

Characteristics

Plants 25–40(–80) cm. Basal leaves: blades (light green) lance-elliptic to elliptic-ovate, (10–)20–30+ cm, margins usually entire, sometimes denticulate, ± ciliolate, faces sparsely pilose to pilosulous (usually minutely gland-dotted or stipitate-glandular as well); cauline leaves similar, smaller distally (petiolate or sessile). Heads borne singly. Involucres ± hemispheric, (12–)20–30(–40) mm diam. Phyllaries 36–48, subequal, herbaceous, margins villous-ciliate, faces glabrous or glabrate; outer 18–25 mm (not surpassing discs). Ray florets 13–25; laminae (cream to white) 25–45 mm. Cypselae 9–11 mm, strigillose distally and on margins.
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A herb.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.33 - 0.4
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Meadows, other damp to wet sites, openings in pine forests at elevations of 40-2600 metres.
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It is a temperate plant.
Light 7-9
Soil humidity 4-6
Soil texture 3-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 4-9

Usage

The plant is heated, fermented and eaten.
Uses -
Edible leaves roots
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions or seedlings.
Mode divisions seedlings
Germination duration (days) -
Germination temperacture (C°) 5
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Wyethia helianthoides flower picture by christine Lesca Maillard (cc-by-sa)

Distribution

Wyethia helianthoides world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:260759-1
WFO ID wfo-0000012577
COL ID 5C4DV
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Wyethia helianthoides