Calochortus excavatus

Greene

Pittonia 2: 71. 1890.

Common names: Inyo County star-tulip
Endemic
Treatment appears in FNA Volume 26. Treatment on page 137. Mentioned on page 120, 121.

Stems slender, not branching, 1–3 dm. Leaves: basal usually persistent, 1–2 dm; blade linear. Inflorescences subumbellate, 1–4-flowered; bracts paired, 3–8 cm. Flowers erect; perianth open, campanulate; sepals lanceolate, 2–3 cm, apex acuminate; petals lavender, with longitudinal median abaxial green stripe, with or without blotches, broadly cuneate to obovate, 3–4 cm, with a few short hairs near gland; glands round, depressed, surrounded by conspicuously fringed membrane, densely covered with short, distally branching hairs; filaments 6–8 mm; anthers redbrown, oblong, 7–10 mm, apex obtuse. Capsules erect, brown, lanceoloid-linear, 3-angled, 2–3 cm. Seeds light beige, translucent, flat.


Phenology: Flowering spring.
Habitat: Grassy meadows in shadscale scrub
Elevation: 1200–2000 m

Discussion

Calochortus excavatus is found only in the eastern Sierra Nevada in Mono and Inyo counties. It is threatened by groundwater depletion.

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 excavatus"
pseudobasifixed +  and basifixed +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
obtuse +  and acuminate +
P. L. Fiedler +  and R. K. Zebell +
Greene +
whorled +, opposite +  and alternate +
petiole-like +
dilated +
reticulate-veined +  and parallel-veined +
sheathing +  and involucrate +
1;several +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
tunicate +  and scaly +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Inyo County star-tulip +
1200–2000 m +
connate-coroniform +  and dilated +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
sessile +  and pedicellate +
unisexual +  and bisexual +
winged +  and capsular +
globular +, oblong +, linear +  and 3-angled +
membranaceous +  and leathery +
depressed +, round +, broadly cuneate +  and obovate +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Grassy meadows in shadscale scrub +
broadly cuneate +  and obovate +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
1-4-flowered +  and subumbellate +
paired +, paniculate +  and racemose +
persistent +
proximalmost +
reduced +
many;several +
campanulate +
spotted +  and more or less patterned +
distinct +
Flowering spring. +
wind-distributed +
light beige +
distinct +
lanceolate +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
adnate +  and free +
staminodial +
3 +, 4 +  and 6 +
not branching +
glaucous +  and glabrous +
slender +
3 +  and 1 +
Calochortus excavatus +
Calochortus +
species +
connate +  and distinct +
sepaloid +  and petaloid +
narrower +
caulescent +  and scapose +
3 +  and 2 +