Calochortus monophyllus

(Lindley) Lemaire

Fl. Serres Jard. Eur. 5: 430b. 1849.

Common names: Yellow star- tulip
IllustratedEndemic
Basionym: Cyclobothra monophylla Lindley J. Hort. Soc. London 4: 81. 1849
Treatment appears in FNA Volume 26. Treatment on page 124. Mentioned on page 120, 123.

Stems slender, branching or not, 0.8–2 dm. Leaves: basal persistent, 1–3 dm; blade linear, flat. Inflorescences 1–6-flowered. Flowers ± erect at anthesis; perianth open, campanulate; sepals oblong-lanceolate, 16–20 mm, glabrous, apex acuminate; petals deep yellow, often with redbrown blotch distal to base, narrowly obovate, 12–20 mm, ciliate, adaxial surface densely branching-hairy; glands bordered proximally by ciliate membrane, distally by short hairs; anthers short-tipped. Capsules nodding, winged, oblong, 1–2 cm. Seeds dark-brown, irregular. 2n = 20.


Phenology: Flowering spring.
Habitat: Wooded slopes, clay-loam soils
Elevation: 400–1200 m

Discussion

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 monophyllus"
pseudobasifixed +  and basifixed +
linear +  and oblong +
acuminate +
P. L. Fiedler +  and R. K. Zebell +
(Lindley) Lemaire +
whorled +, opposite +  and alternate +
petiole-like +
dilated +
Cyclobothra monophylla +
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 />) +
Yellow star- tulip +
Calif. +  and Oreg. +
400–1200 m +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
unisexual +  and bisexual +
winged +  and capsular +
globular +, oblong +, linear +  and 3-angled +
membranaceous +  and leathery +
Wooded slopes, clay-loam soils +
paired +, paniculate +  and racemose +
persistent +
proximalmost +
reduced +
many;several +
campanulate +
distinct +
obovate +
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Flowering spring. +
Fl. Serres Jard. Eur. +
wind-distributed +
dark-brown +
distinct +
oblong-lanceolate +
1.6 cm16 mm <br />0.016 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Illustrated +  and Endemic +
adnate +  and free +
staminodial +
3 +, 4 +  and 6 +
not +  and branching +
glaucous +  and glabrous +
slender +
3 +  and 1 +
Calochortus monophyllus +
Calochortus +
species +
connate +  and distinct +
sepaloid +  and petaloid +
narrower +
caulescent +  and scapose +
3 +  and 2 +