Calochortus ambiguus

(M. E. Jones) Ownbey

Ann. Missouri Bot. Gard. 27: 505. 1940.

Endemic
Basionym: Calochortus watsonii var. ambiguus M. E. Jones Contr. W. Bot. 14: 26. 1912
Treatment appears in FNA Volume 26. Mentioned on page 139.

Plants often bulbose; bulb coat membranous. Stems usually branching, straight. Leaves: basal withering; blade linear-attenuate. Inflorescences subumbellate, 1–4-flowered. Flowers erect; perianth pinkish or bluish gray, infrequently with longitudinal gray stripe, open, campanulate; sepals invested near gland, with yellowish, distally enlarged or branching, gland-tipped hairs, base sometimes marked with dull purple, apex acuminate; petals with median blotch usually surrounded by yellow zone, ± equaling sepals, base sometimes marked with dull purple; glands round to lunate, depressed, surrounded with narrow, deeply fringed membrane, densely covered with short, distally branching hairs; filaments shorter than anthers; anthers oblong-lanceolate, apex obtuse to acute. Capsules erect, linear-oblong, 3-angled, apex acute. Seeds flat. 2n = 18.


Phenology: Flowering late spring–summer.
Habitat: Dry soils
Elevation: 1100–2700 m

Discussion

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 ambiguus"
pseudobasifixed +  and basifixed +
oblong-lanceolate +
acute +  and obtuse +
P. L. Fiedler +  and R. K. Zebell +
(M. E. Jones) Ownbey +
whorled +, opposite +  and alternate +
petiole-like +
dilated +
Calochortus watsonii var. ambiguus +
reticulate-veined +  and parallel-veined +
linear-attenuate +
sheathing +  and involucrate +
1;several +
tunicate +  and scaly +
3-angled +  and linear-oblong +
Ariz. +, N.Mex. +  and Utah. +
1100–2700 m +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
unisexual +  and bisexual +
winged +  and capsular +
globular +, oblong +, linear +  and 3-angled +
membranaceous +  and leathery +
depressed +, round +  and lunate +
Dry soils +
branching +  and gland-tipped +
enlarged +
1-4-flowered +  and subumbellate +
paired +, paniculate +  and racemose +
persistent +
proximalmost +
reduced +
many;several +
bluish gray +  and pinkish +
campanulate +
spotted +  and more or less patterned +
distinct +
Flowering late spring–summer. +
Ann. Missouri Bot. Gard. +
wind-distributed +
distinct +
ovate +  and lanceolate +
adnate +  and free +
staminodial +
3 +, 4 +  and 6 +
straight +
glaucous +  and glabrous +
3 +  and 1 +
Calochortus ambiguus +
Calochortus +
species +
connate +  and distinct +
sepaloid +  and petaloid +
narrower +
3 +  and 2 +