Chorizanthe angustifolia Nutt.

Narrowleaf spineflower (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Chorizanthe

Characteristics

Plants decumbent or prostrate, 0.3-1 × 0.5-10(-13) dm, villous. Leaves basal; petiole 1-4 cm; blade oblanceolate, (0.5-)1-4(-5) × (0.2-)0.3-0.6 cm, villous. Inflorescences rather dense with secondary branches suppressed, grayish to reddish; bracts 2, similar to proximal leaf blades only reduced, short-petiolate, becoming linear and aciculate at distal nodes, acerose, 1-4 cm × 2-8(-10) mm, awns absent. Involucres 1, reddish, cylindric, not ventricose, 1.5-2(-2.5) mm, without scarious margins or if so then pinkish, thin, and restricted to basal portion of teeth, not corrugate, villous abaxially; teeth spreading, equal, 0.5-1.5(-2) mm; awns uncinate with longer ones 1.5-2.5 mm and anterior one mostly 2-2.5 mm, these alternating with shorter 1-1.5 mm ones. Flowers slightly exserted; perianth bicolored with floral tube white and tepals white to rose, campanulate, 2-3 mm, pubescent abaxially; tepals connate 3 their length, monomorphic, oblong, usually rounded and erose apically; stamens 3 or 6-9, slightly exserted; filaments distinct, 2-2.5 mm, glabrous; anthers cream to rose, ovate, 0.2-0.3 mm. Achenes light brown, globose-lenticular, 2-2.5 mm. 2n = 38, 40, (42, 44, 46).
Life form annual
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
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Mature height (meter) 0.03 - 0.1
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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 angustifolia world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:329639-2
WFO ID wfo-0000603434
COL ID 5YCPB
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Chorizanthe angustifolia Chorizanthe angustifolia var. eastwoodiae