Chaenactis glabriuscula var. heterocarpha H.M.Hall

Yellow pincushion (en)

Variety

Angiosperms > Asterales > Asteraceae > Chaenactis > Chaenactis glabriuscula

Characteristics

Plants 6–40 cm; proximal indument grayish, arachnoid to sparsely lanuginose. Stems mostly 1–5, erect to spreading; branches proximal and, often, distal. Leaves basal (often withering) and ± cauline, 1–6(–10) cm; largest blades ± 3-dimensional, scarcely succulent, usually 2-pinnately lobed; primary lobes 2–7 pairs, remote to ± congested, ultimate lobes ± involute and/or twisted. Heads mostly (1–)2–5 per stem. Peduncles 2–7(–9) cm. Involucres ± hemispheric to broadly cylindric. Phyllaries: longest 6–10 × 1.5–2.5 mm; outer glabrescent to sericeous and, often, ± glandular in fruit. Florets: inner corollas 4.5–7 mm. Cypselae 4–9 mm; pappi of (5–)8 scales in 2, abruptly unequal series, longest scales mostly 2–7 mm, lengths 0.4–0.9(–1) times corollas. 2n = 12.
Life form annual
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.06 - 0.4
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. heterocarpha world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:53870-2
WFO ID wfo-0000097156
COL ID 7LGG6
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Chaenactis tanacetifolia Chaenactis gracilenta Chaenactis heterocarpha Chaenactis heterocarpha var. tanacetifolia Chaenactis glabriuscula var. gracilenta Chaenactis glabriuscula var. heterocarpha Chaenactis tanacetifolia var. gracilenta Chaenactis tanacetifolia var. tanacetifolia Chaenactis heterocarpha var. heterocarpha