Chorizanthe leptotheca Goodman

Ramona spineflower (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Chorizanthe

Characteristics

Plants erect to spreading, 0.5-3(-3.5) × 0.5-3(-5) dm, thinly pubescent. Leaves basal; petiole 1-3(-4) cm; blade oblong to oblong-ovate, 0.5-2(-3) × 0.3-0.5(-0.7) cm, thinly pubescent adaxially, usually densely tomentose adaxially. Inflores-cences mostly flat-topped and openly branched, usually reddish; bracts soon deciduous, 2, occasionally leaflike at proximal nodes and similar to proximal leaf blades only more reduced, short-petiolate, ovate, 0.3-0.4 cm × 2-3 mm, otherwise sessile, linear and acicular, often acerose, 0.1-0.3 cm × 0.7-1 mm, awns straight, 0.5-1 mm. Involucres in congested clusters with 1 at node of dichotomies, reddish, cylindric, not ventricose, 3-4 mm, not corrugate, without scarious or membranous margins, thinly pubescent; teeth spreading, unequal, 0.7-1.5 mm with longer of 3 longest ones more erect than 3 other shorter and less-prominent ones, awns uncinate, 0.5-1 mm. Flowers long-exserted; perianth rose to red, infrequently with white lobes, cylindric, 4.5-6 mm, pubescent; tepals connate ca. 1/ 2 their length, dimorphic or sometimes monomorphic, narrowly oblanceolate, apex rounded, those of outer whorl slightly broader and occasionally longer than those of inner whorl; stamens 9, mostly included; filaments distinct, 4-6 mm, glabrous; anthers pink to red, ovate to oblong, 0.5-0.6 mm. Achenes brown, lenticular, 3-4 mm. 2n = 38.
Life form annual
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.3
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:57273-2
WFO ID wfo-0000603492
COL ID 5YCQM
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Chorizanthe leptotheca