Calochortus monanthus

Ownbey

Ann. Missouri Bot. Gard. 27: 465, plate 39, figs. 3, 4. 1940.

Common names: Single-flowered mariposa-lily
Endemic
Treatment appears in FNA Volume 26. Treatment on page 133. Mentioned on page 122.

Plants bulbose; bulb coat membranous. Stems not branching, straight. Leaves: basal withering; blade linear-attenuate. Inflorescences 1-flowered, long-peduncled; bracts opposite. Flowers erect; perianth open, turbinate to campanulate; sepals lanceolate, attenuate, ca. 4 cm; petals pinkish, with chevron-shaped, dark red blotch distal to gland, obovate, cuneate, rounded, ca. 5 cm, with few flexible hairs near gland, margins irregularly dentate distally; glands oblong, not depressed, densely covered with slender, unbranched hairs; filaments lanceolate-linear, shorter than anthers; anthers short-tipped. Capsules erect, linear, angled. Seeds unknown.


Phenology: Flowering late spring–mid summer.
Habitat: Vernal meadows
Elevation: 800 m

Discussion

Calochortus monanthus is known only from a single collection from meadow along the Shasta River, near Yreka, Siskiyou County, by E. L. Greene in June, 1876. It is presumed extinct.

Selected References

None.

Lower Taxa

None.

"broad" is not a number."usually longer and broader" is not a number."thicker" is not a number.

... more about "Calochortus monanthus"
pseudobasifixed +  and basifixed +
linear +  and oblong +
P. L. Fiedler +  and R. K. Zebell +
Ownbey +
whorled +, opposite +  and alternate +
petiole-like +
dilated +
reticulate-veined +  and parallel-veined +
linear-attenuate +
chevron--shaped +
sheathing +  and involucrate +
1;several +
tunicate +  and scaly +
Single-flowered mariposa-lily +
lanceolate-linear +
sessile +  and pedicellate +
unisexual +  and bisexual +
winged +  and capsular +
globular +, oblong +, linear +  and 3-angled +
membranaceous +  and leathery +
not depressed +  and oblong +
Vernal meadows +
slender +
long-peduncled +  and 1-flowered +
paired +, paniculate +  and racemose +
persistent +
proximalmost +
reduced +
many;several +
turbinate;campanulate +
distinct +
rounded;cuneate;obovate +
5 cm50 mm <br />0.05 m <br /> (?) +
Flowering late spring–mid summer. +
Ann. Missouri Bot. Gard. +
wind-distributed +
distinct +
attenuate +  and lanceolate +
4 cm40 mm <br />0.04 m <br /> (?) +
adnate +  and free +
staminodial +
3 +, 4 +  and 6 +
not branching +
straight +
glaucous +  and glabrous +
3 +  and 1 +
Calochortus monanthus +
Calochortus +
species +
connate +  and distinct +
sepaloid +  and petaloid +
narrower +
3 +  and 2 +