Chorizanthe wheeleri S.Watson

Santa barbara spineflower (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Chorizanthe

Characteristics

Plants erect to spreading, 0.5-2(-2.5) × 1-2 dm, thinly pubescent. Leaves basal; petiole 0.5-3 cm; blade elliptic to oblong, 0.5-2 × 0.2-0.6 cm, thinly pubescent adaxially, tomentose abaxially. Inflorescences mostly flat-topped, openly branched, greenish to reddish; bracts persistent, 2, usually leaflike at proximal nodes and similar to leaf blades, short-petiolate, oblong, 0.5-1.2 cm × 2-4 mm, sessile, reduced and scalelike at distal nodes, linear, acicular, often acerose, 0.1-0.5 cm × 0.5-1 mm, awns straight, 0.5-1 mm. Involucres in dense terminal clusters with 1 at node of dichotomies, reddish, cylindric, not ventricose, 2-2.5 mm, corrugate, without scarious or membranous margins, thinly pubescent with stoutish, recurved hairs; teeth spreading, unequal, 0.3-0.8(-1) mm, with 3 longer ones more erect than 3 shorter and less-prominent ones; awns uncinate, 0.3-0.5 mm. Flowers exserted; perianth white or rose or red with white lobes, cylindric, 2.5-3 mm, glabrous except for few scattered hairs ca. midlength along midrib abaxially; tepals connate 1/ 2 their length, monomorphic to slightly dimorphic, oblong, rounded apically, those of outer whorl usually slightly broader and longer than those of inner whorl; stamens 6, included; filaments distinct, 1.5-2 mm, glabrous; anthers pink to red, oblong, 0.3-0.4 mm. Achenes brown, lenticular, 2.5-3 mm.
Life form annual
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
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Mature height (meter) 0.05 - 0.2
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Flower color
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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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Distribution

Chorizanthe wheeleri world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:329672-2
WFO ID wfo-0000603576
COL ID 5YCRL
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Chorizanthe wheeleri Chorizanthe insularis