Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Chorizanthe brevicornu var. spathulata

Chorizanthe brevicornu var. brevicornu
Photo is of parent taxon

brittle spineflower, broad leaf brittle spineflower, Great Basin brittle spineflower
Photo is of parent taxon

brittle spineflower
Habit Plants 0.5–2(–3) × 0.5–2 dm. Plants 0.5–3(–5) × 0.5–3 dm.
Leaf

blades broadly oblanceolate to broadly spatulate, 1–2 × 0.5–1 cm, apex round.

blades oblanceolate to narrowly elliptic, 1.5–3(–4) × 0.1–0.3(–0.5) cm, apex acute.
Involucres

obscurely ribbed at maturity.

distinctly and prominently ribbed at maturity.
2n

= 38.

= 38, 40, 42, (46).

Chorizanthe brevicornu var. spathulata

Chorizanthe brevicornu var. brevicornu
Phenology Flowering Apr–Jul. Flowering Feb–Jul.
Habitat Sandy to gravelly places, mixed grassland, saltbush, blackbrush, and sagebrush communities, pinyon and/or juniper woodlands Sandy places, mixed grassland, saltbush, creosote bush, and sagebrush communities, pinyon-juniper woodlands
Elevation 700-2900(-3100) m (2300-9500(-10200) ft) -60-3000 m (-200-9800 ft)
Distribution
from FNA
CA; ID; NV; OR
[BONAP county map]
from FNA
AZ; CA; NV; Mexico (Baja California, Sonora)
[BONAP county map]
Discussion

Variety spathulata is known only from the cold deserts of the Intermountain West.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Variety brevicornu is known only from the warm Mojave and Sonoran deserts.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 5, p. 470. FNA vol. 5, p. 470.
Parent taxa Polygonaceae > subfam. Eriogonoideae > Chorizanthe > subg. Amphietes > sect. Fragile > Chorizanthe brevicornu Polygonaceae > subfam. Eriogonoideae > Chorizanthe > subg. Amphietes > sect. Fragile > Chorizanthe brevicornu
Sibling taxa
C. brevicornu var. brevicornu
C. brevicornu var. spathulata
Synonyms C. spathulata, C. brevicornu subsp. spathulata
Name authority (Small ex Rydberg) C. L. Hitchcock: in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 2: 103. (1964) unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America, OregonFlora

The species comparison tool is brought to you by:
Northwest Wildflowers