Chorizanthe rectispina Goodman

Prickly spineflower (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Chorizanthe

Characteristics

Plants spreading to decumbent, 0.3-0.8(-1) × 0.5-4(-5) dm, appressed-pubescent. Leaves basal; petiole 0.5-2 cm; blade oblanceolate to spatulate, 0.5-1.5(-2) × 0.2-0.6 cm, thinly pubescent. Inflorescences with involucres in small, open clusters 0.5-1.5 cm diam., greenish to grayish; bracts 2, without whorl of sessile bracts about midstem, usually leaflike, oblanceolate to elliptic, 0.5-1.5 cm × 1.5-5 mm, gradually reduced and becoming scalelike at distal nodes, linear, aciculate, acerose, 0.3-0.8 cm × 1-2 mm, awns straight, 0.5-1.5 mm. Involucres 3-10+, grayish to reddish, urceolate, slightly ventricose basally, 2-2.5(-3) mm, slightly corrugate, without scarious or membranous margins, densely pubescent; teeth spreading, unequal, 1-2 mm; awns straight or uncinate, unequal, with longer anterior one straight, mostly 1.5-2.5 mm, others uncinate, 0.3-0.6 mm. Flowers exserted; perianth bicolored with floral tube yellow and tepals yellow or white, cylindric, 3.5-4 mm, sparsely pubescent; tepals connate 2 their length, dimorphic, obovate, those of outer whorl white, obovate to nearly orbiculate, 3-4 times longer than those of inner whorl, , truncate to slightly 2-lobed apically, those of inner lobes erect, yellow, broadly obovate, truncate and erose apically; stamens 9, included; filaments distinct, 1-1.5 mm, glabrous; anthers yellow to golden, oblong, 0.5-0.6 mm. Achenes brown, globose-lenticular, 3-3.5 mm. 2n = (36), 40, (44).
Life form annual
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
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Mature width (meter) -
Mature height (meter) 0.03 - 0.08
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Flower color
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JanFebMar
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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 rectispina world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:57300-2
WFO ID wfo-0000603535
COL ID 5YCPZ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Chorizanthe rectispina