familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusChorizanthe
subgenusChorizanthe subg. Amphietes
sectionChorizanthe sect. Fragile
speciesChorizanthe brevicornu
Chorizanthe brevicornu var. spathulata
in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 2: 103. 1964.
Common names: Great Basin brittle spineflower
Endemic
Basionym: Chorizanthe spathulata Small ex Rydberg Bull. Torrey Bot. Club 39: 309. 1912
Synonyms: Chorizanthe brevicornu subsp. spathulata (Small ex Rydberg) Munz
Plants 0.5–2 (–3) × 0.5–2 dm. Leaf-blades broadly oblanceolate to broadly spatulate, 1–2 × 0.5–1 cm, apex round. Involucres obscurely ribbed at maturity. 2n = 38.
Phenology: Flowering Apr–Jul.
Habitat: Sandy to gravelly places, mixed grassland, saltbush, blackbrush, and sagebrush communities, pinyon and/or juniper woodlands
Elevation: 700-2900(-3100) m
Distribution
Calif., Idaho, Nev., Oreg.
Discussion
Variety spathulata is known only from the cold deserts of the Intermountain West.
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. spathulata"
not winged +
dark-brown +
included +
glabrous +
homocarpic +
lenticular +
3mm;4mm +
dehiscing +
ovate +
round +
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 +
Great Basin brittle spineflower +
nuclear +
abundant +
distinct +
glabrous +
pedicellate +
included +
pubescent +
bisexual +
disarticulating +
aerial +
fistulose +
slender +
homocarpic +
Sandy to gravelly places, mixed grassland, saltbush, blackbrush, and sagebrush communities, pinyon and/or juniper woodlands +
appressed +
bractlike +
capitate +
racemose +
axillary +
enclosed +
not corrugate +
green +
strigose +
nonmembranous +
0.5cm;1cm +
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 C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. +
1964 +
fibrous +
ringlike +
longitudinal +
Endemic +
recurved +
adnate +
exserted +
absent +
disarticulating +
scandent +
absent +
pubescent +
peltate +
capitate +
foliaceous +
absent +
chartaceous +
arranged +
involucral +
absent +
distinct +
erect;spreading +
spreading;erect +
Chorizanthe brevicornu var. spathulata +
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;2dm +