Chaenactis glabriuscula var. orcuttiana H.M.Hall

Orcutt's yellow pincushion (en)

Variety

Angiosperms > Asterales > Asteraceae > Chaenactis > Chaenactis glabriuscula

Characteristics

Plants 10–30 cm; proximal indument grayish, sparsely arachnoid. Stems mostly 3–7(–12), ± horizontal; branches proximal and distal. Leaves basal (withering) and cauline, mostly 2–5 cm; largest blades ± plane to 3-dimensional, succulent, mostly 2-pinnately lobed; primary lobes 2–7 pairs, ± congested, ultimate lobes ± plane to involute. Heads mostly 2–5 per stem. Peduncles 1–4 cm. Involucres ± hemispheric. Phyllaries: longest 4.5–6.5(–9) × 1–2 mm; outer predominantly stipitate-glandular and ± villous in fruit. Florets: inner corollas 4.5–5.5 mm. Cypselae 4–5 mm; pappi of 4 scales in 1 series, longest scales mostly 1–2.5 mm, lengths 0.2–0.5 times corollas. 2n = 12.
Life form annual
Growth form herb
Growth support -
Foliage retention -
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 -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 70
Germination temperacture (C°) 3
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -18
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Chaenactis glabriuscula var. orcuttiana world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:53873-2
WFO ID wfo-0000108259
COL ID 5MZF4
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Chaenactis orcuttiana Chaenactis orcuttiana Chaenactis tenuifolia var. orcuttiana Chaenactis glabriuscula var. orcuttiana