Camassia howellii

S. Watson

Proc. Amer. Acad. Arts 25: 135. 1889.

Common names: Howell camas
EndemicConservation concern
Synonyms: Quamasia howellii (S. Watson) Coville
Treatment appears in FNA Volume 26. Treatment on page 306. Mentioned on page 304, 307.

Bulbs sometimes clustered, ovoid, 1.5–3 cm diam. Leaves 4–7, 2–6 dm × 5–12 mm. Inflorescences 15–40 cm; sterile bracts 0, bracts subtending flowers shorter than or equaling pedicel. Flowers actinomorphic; tepals connivent over capsules after anthesis, deciduous as capsules develop, deep bluish violet, each 3-veined or 5-veined, 10–20 × 3–5 mm; anthers yellow, 2.5–3.5 mm; fruiting pedicel spreading, 15–25 mm. Capsules deciduous, shiny green, subglobose, 5–10 mm. Seeds 2–5 per locule. 2n = 30.


Phenology: Flowering late spring.
Habitat: Wet meadows
Elevation: 200–400 m

Discussion

Of conservation concern.

Camassia howellii flowers one to two weeks later than sympatric populations of C. leichtlinii.

Selected References

None.

Lower Taxa

None.

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

... more about "Camassia howellii"
cordate +  and linear +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Tom A. Ranker +  and Tim Hogan +
S. Watson +
whorled +, opposite +  and alternate +
dilated +
reticulate-veined +  and parallel-veined +
sheathing +  and involucrate +
1;several +
lanceolate +
1.5cm +  and 3cm +
subglobose +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Howell camas +
200–400 m +
connate-coroniform +  and dilated +
actinomorphic +
unisexual +  and bisexual +
loculicidal +
ovoid +  and ellipsoid or subglobose +
membranaceous +  and leathery +
Wet meadows +
15 cm150 mm <br />0.15 m <br /> (40 cm400 mm <br />0.4 m <br />) +
persistent +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
superior +  and inferior +
spreading +  and incurving-erect +
zygomorphic +  and actinomorphic +
Flowering late spring. +
Proc. Amer. Acad. Arts +
wind-distributed +
2 +  and 5 +
obpyriform +  and ovoid-ellipsoid +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Endemic +  and Conservation concern +
adnate +  and free +
staminodial +
1 +  and several +
3 +  and 1 +
filiform +
Quamasia howellii +
Camassia howellii +
Camassia +
species +
5-veined +  and 3-veined +
bluish violet +
deciduous +
connate +  and distinct +
10mm;20mm +
lanceolate +
3mm;5mm +
sepaloid +  and petaloid +
narrower +
brown +  and black +
caulescent +  and scapose +