familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusChorizanthe
subgenusChorizanthe subg. Amphietes
sectionChorizanthe sect. Fragile
speciesChorizanthe brevicornu
Chorizanthe brevicornu var. brevicornu
Common names: Brittle spineflower
Illustrated
Illustrator:
Copyright:
Plants 0.5–3 (–5) × 0.5–3 dm. Leaf-blades oblanceolate to narrowly elliptic, 1.5–3 (–4) × 0.1–0.3 (–0.5) cm, apex acute. Involucres distinctly and prominently ribbed at maturity. 2n = 38, 40, 42, (46).
Phenology: Flowering Feb–Jul.
Habitat: Sandy places, mixed grassland, saltbush, creosote bush, and sagebrush communities, pinyon-juniper woodlands
Elevation: -60-3000 m
Distribution
Ariz., Calif., Nev., Mexico (Baja California), Mexico (Sonora)
Discussion
Variety brevicornu is known only from the warm Mojave and Sonoran deserts.
Selected References
None.
Lower Taxa
None.
"/2" is not declared as a valid unit of measurement for this property."/2" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.
... more about "Chorizanthe brevicornu var. brevicornu"
not winged +
dark-brown +
included +
glabrous +
homocarpic +
lenticular +
3mm;4mm +
dehiscing +
ovate +
acute +
alternating +
long +
absent +
equal +
reduced +
distal +
stipelike +
entire +
pubescent +
oblanceolate;narrowly elliptic or spatulate +
awn-tipped +
opposite +
deciduous +
distinct +
absent +
scale-like +
connate +
brittle +
free +
aerial +
pubescent +
round +
woody +
Brittle spineflower +
nuclear +
abundant +
distinct +
glabrous +
pedicellate +
included +
pubescent +
bisexual +
disarticulating +
aerial +
fistulose +
slender +
homocarpic +
Sandy places, mixed grassland, saltbush, creosote bush, and sagebrush communities, pinyon-juniper woodlands +
appressed +
Present +
bractlike +
capitate +
racemose +
axillary +
enclosed +
not corrugate +
green +
strigose +
nonmembranous +
0.1cm;0.3cm +
basal +
bractlike +
anterior +
awn-tipped +
not swollen +
orthotropous +
basal +
articulate +
absent +
accrescent +
cluster +
reflexed +
absent +
erect to deflexed +
winged +
white;greenish white;white or pale yellowish +
persistent +
glabrous +
pustulose +
cylindric +
accrescent +
absent +
indistinct +
reduced +
in W. H. Emory, Rep. U.S. Mex. Bound. +
1859 +
fibrous +
ringlike +
longitudinal +
Illustrated +
recurved +
adnate +
exserted +
absent +
disarticulating +
scandent +
absent +
pubescent +
peltate +
capitate +
foliaceous +
absent +
chartaceous +
arranged +
involucral +
absent +
distinct +
erect;spreading +
spreading;erect +
Chorizanthe brevicornu var. brevicornu +
Chorizanthe brevicornu +
variety +
absent +
monomorphic +
entire +
connate +
dimorphic +
3/4 +
coriaceous +
awn-tipped +
divergent +
shallow +
connate +
unequal +
persistent +
membranous +
glandular-punctate +
developing +
raised +
homophyllous +
annual +
spreading;erect +
polycarpic +
0.5dm;3dm +