Chorizanthe robusta Parry

Robust spineflower (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Chorizanthe

Characteristics

Plants erect to spreading or decumbent, 0.5-3 × 0.1-6 dm, villous. Leaves basal or nearly so; petiole 1-4(-7) cm; blade oblance-olate, 1.5-5 × 0.2-0.7(-1) cm, villous. Inflorescences with secondary branches not sup-pressed except in terminal clusters of involucres, green to reddish; bracts 2, similar to proximal leaf blades only reduced, short-petiolate, becoming linear and aciculate at distal nodes, acerose, 1-5 cm × 2-5(-7) mm, awns absent. Involucres 1, greenish, cylindric, not ventricose, 2.5-4 mm, with white to pinkish, thin scarious margins restricted to basal portion of teeth, not corrugate, thinly pubescent abaxially; teeth spreading, equal, 0.3-0.8(-1) mm; awns uncinate with longer ones 0.7-1.3 mm and anterior one mostly 1-1.3 mm, these alternating with shorter (0.3-0.7 mm) ones. Flowers slightly exserted; perianth bicolored with floral tube white and tepals white to rose, cylindric, 2.5-4 mm, pubescent abaxially; tepals connate 1/ 4 their length, monomorphic, oblanceolate to narrowly oblong, usually truncate to rounded and erose or denticulate apically, occasionally distinctly cuspidate; stamens 9, included; filaments distinct, 2-3.5 mm, glabrous; anthers pink to red or maroon, oblong, 0.6-0.8 mm. Achenes light brown, globose-lenticular, 3.5-4 mm.
Life form annual
Growth form herb
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Foliage retention deciduous
Sexuality hermaphrodite
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Mature height (meter) 0.05 - 0.3
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Usage

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Cultivation

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Images

Chorizanthe robusta unspecified picture

Distribution

Chorizanthe robusta world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:57301-2
WFO ID wfo-0000603538
COL ID 5YD3G
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Chorizanthe robusta Chorizanthe pungens var. robusta Chorizanthe robusta var. robusta

Lower taxons

Chorizanthe robusta var. hartwegii