Chaenactis nevii A.Gray

John day's pincushion (en)

Species

Angiosperms > Asterales > Asteraceae > Chaenactis

Characteristics

Plants 10–30 cm; proximal indument greenish to grayish, stipitate-glandular and, sometimes, sparsely arachnoid or villous. Stems mostly 1–3; branches mainly distal. Leaves basal (withering) and cauline, 2–5 cm; largest blades ± elliptic, ± plane to 3-dimensional, not succulent, 1–2-pinnately lobed; primary lobes mostly 3–8 pairs, ± remote, ultimate lobes ± plane to involute. Heads mostly 3–9 per stem. Peduncles 1–6 cm, distally stipitate-glandular and, sometimes, ± arachnoid to villous. Involucres ± hemispheric to campanulate. Phyllaries: longest 6–9 mm; outer predominantly stipitate-glandular and, sometimes, ± arachnoid to villous in fruit, apices ± erect, acute, rigid. Florets: corollas bright yellow, 4–6.5 mm; peripheral corollas ± erect, actinomorphic, scarcely enlarged. Cypselae 3.5–6 mm (compressed); pap-pi 0 or coroniform (of ± 10 scales, longest 0.1–0.5 mm). 2n = 12.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
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Mature height (meter) 0.1 - 0.3
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Flower color
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JanFebMar
AprMayJun
JulAugSep
OctNovDec
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Environment

Light -
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Usage

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

Cultivation

Mode -
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Germination temperacture (C°) -
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Distribution

Chaenactis nevii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:192251-1
WFO ID wfo-0000066360
COL ID T9FX
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Chaenactis nevii