Calochortus coeruleus

(Kellogg) S. Watson

Proc. Amer. Acad. Arts 14: 263. 1879.

Common names: Beavertail-grass
Endemic
Basionym: Cyclobothra coerulea Kellogg Proc. Calif. Acad. Sci. 2: 4. 1863
Synonyms: Calochortus coeruleus var. fimbriatus Ownbey Calochortus maweanus
Treatment appears in FNA Volume 26. Treatment on page 124. Mentioned on page 120, 125.

Stems not branching, 0.3–2 dm. Leaves: basal persistent, 1–2 dm; blade linear, flat. Inflorescences 1–10-flowered. Flowers erect to spreading; perianth open, campanulate; sepals oblong-lanceolate, ca. 10 mm, glabrous, apex acuminate; petals light blue, obovate, 8–12 mm, adaxial surface hairy only distal to gland, margins ciliate to apex, apex acuminate; glands slightly depressed, bordered proximally by ciliate membrane, distally by short hairs; anthers oblong, apex acute to acuminate. Capsules nodding, not winged, 1–2 cm, apex acute. Seeds irregular. 2n = 20.


Phenology: Flowering late spring–mid summer.
Habitat: Open gravelly places in woods
Elevation: 600–2500 m

Discussion

Calochortus coeruleus appears to intergrade with C. tolmiei to some extent, especially in petal ciliation (K. L. Chambers, pers. comm.), and it might better be treated as a variety of the latter, more widespread species.

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property."broad" is not a number."usually longer and broader" is not a number."thicker" is not a number."dm" is not declared as a valid unit of measurement for this property.

... more about "Calochortus coeruleus"
pseudobasifixed +  and basifixed +
acute +  and acuminate +
P. L. Fiedler +  and R. K. Zebell +
(Kellogg) S. Watson +
whorled +, opposite +  and alternate +
petiole-like +
dilated +
Cyclobothra coerulea +
reticulate-veined +  and parallel-veined +
sheathing +  and involucrate +
1;several +
tunicate +  and scaly +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Beavertail-grass +
600–2500 m +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
erect +  and spreading +
unisexual +  and bisexual +
winged +  and capsular +
globular +, oblong +, linear +  and 3-angled +
membranaceous +  and leathery +
depressed +
Open gravelly places in woods +
paired +, paniculate +  and racemose +
persistent +
proximalmost +
reduced +
many;several +
campanulate +
distinct +
obovate +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Flowering late spring–mid summer. +
Proc. Amer. Acad. Arts +
wind-distributed +
distinct +
oblong-lanceolate +
10 cm100 mm <br />0.1 m <br /> (?) +
adnate +  and free +
staminodial +
3 +, 4 +  and 6 +
not branching +
glaucous +  and glabrous +
3 +  and 1 +
Calochortus coeruleus var. fimbriatus +  and Calochortus maweanus +
Calochortus coeruleus +
Calochortus +
species +
connate +  and distinct +
sepaloid +  and petaloid +
narrower +
caulescent +  and scapose +
3 +  and 2 +