Xanthisma spinulosum var. chihuahuanum (B.L.Turner & R.L.Hartm.) D.R.Morgan & R.L.Hartm.

Variety

Angiosperms > Asterales > Asteraceae > Xanthisma > Xanthisma spinulosum

Characteristics

Perennials, 30–50 cm, often woody at base. Stems stiffly erect, usually much branched in proximal 1 / 2 – 2 / 3 ; mid internodes 2–5 mm. Leaves numerous, concentrated in proximal ± 1 / 2 , spreading to loosely ascending, often much reduced distally, margins of proximal pinnatifid to 2-pinnatifid, of distal coarsely dentate to ± entire, lobes linear to lanceolate, 3–5 mm, faces usually hairy, rarely glabrous, often densely stipitate-glandular. Heads 2–10+ in diffuse arrays. Peduncles relatively terminal and lateral, 0.5–2 cm. Involucres 12–15 mm wide. 2n = 8, 16.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
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Environment

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Hardiness (USDA) 6-11

Usage

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Cultivation

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Distribution

Xanthisma spinulosum var. chihuahuanum world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:1055073-2
WFO ID wfo-0000097130
COL ID 5S56F
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Xanthisma spinulosum var. chihuahuanum Haplopappus spinulosus var. chihuahuanus Machaeranthera pinnatifida var. chihuahuana