Helianthella castanea Greene

Mt. diablo helianthella (en)

Species

Angiosperms > Asterales > Asteraceae > Helianthella

Characteristics

Plants 15–45 cm. Cauline leaves: largest proximal to mid stems; blades sometimes ± 3-nerved, oblong or elliptic to broadly-oblanceolate, 10–15 cm, faces sparsely hirsute (mostly abaxially and near margins). Heads borne singly, erect. Involucres hemispheric, 25–40 mm diam. Phyllaries (usually outer 3–4+ foliaceous, 3–10 cm, curling over heads) lanceolate to lance-oblong (margins usually ciliate, abaxial faces densely pubescent or glabrate). Paleae chartaceous, relatively firm. Ray florets 12–21; laminae (10–)20–30 mm. Disc corollas yellow. Cypselae weakly compressed (plump in middles, edges thin, faces, glabrous); pappi 0 or of 2 ± subulate scales. 2n = 30.
Life form perennial
Growth form herb
Growth support free-standing
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Sexuality hermaphrodite
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Mature height (meter) 0.15 - 0.45
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OctNovDec
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Environment

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Usage

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Edible -
Therapeutic use -
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Cultivation

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Images

Helianthella castanea unspecified picture

Distribution

Helianthella castanea world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:118887-2
WFO ID wfo-0000066101
COL ID 3K58F
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Helianthella castanea Helianthella castanea var. castanea