Chorizanthe obovata Goodman

Spoonsepal spineflower (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Chorizanthe

Characteristics

Plants erect to prostrate, (0.5-)1-3(-4) × 1-4(-5) dm, pubescent. Leaves basal; petiole 0.5-2(-3) cm; blade oblanceolate, 0.5-2.5 × 0.3-1 cm, thinly pubescent adaxially, soft-hirsute abaxially. Inflorescences with involucres in open clusters 2-4(-6) cm diam., greenish or reddish; bracts 2-3 at proximal node, usually leaflike, without whorl of sessile bracts about midstem, elliptic, 0.5-1.5 cm × 2-6(-8) mm, abruptly reduced above proximal node, becoming scalelike, linear, aciculate, acerose, 0.2-1 cm × 1-3 mm, awns straight, 1-2 mm. Involucres 3-10+, grayish, urceolate, slightly ventricose basally, 3-4 mm, slightly corrugate, without scarious or membranous margins, thinly to densely pubescent; teeth erect to spreading, unequal, 1-2 mm; awns straight or uncinate with longer anterior one straight, mostly 1 mm, others uncinate, 0.5-1 mm. Flowers exserted; perianth bicolored with floral tube greenish white to white and tepals white to pink, cylindric, 4-4.5(-5) mm, sparsely pubescent; tepals connate 1/ 2 their length, dimorphic, obovate, those of outer whorl spreading, 2 times longer than those of inner whorl, rounded or slightly obcordate apically, those of inner whorl erect, narrower, fimbriate apically; stamens (6-)9, mostly included; filaments distinct, 4-4.5 mm, glabrous; anthers yellow to golden, oblong, 0.9-1.1 mm. Achenes brown, globose-lenticular, 3-3.5 mm. 2n = 38, 40, 42.
Life form annual
Growth form herb
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Foliage retention deciduous
Sexuality hermaphrodite
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Mature height (meter) 0.1 - 0.3
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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 obovata world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:57281-2
WFO ID wfo-0000603502
COL ID 5YCQ9
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Chorizanthe obovata f. prostrata Chorizanthe obovata