Calochortus luteus

Douglas ex Lindley

Edwards’s Bot. Reg. 19: plate 1567. 1833.

IllustratedEndemic
Synonyms: Mariposa lutea (Douglas ex Lindley) Hoover
Treatment appears in FNA Volume 26. Treatment on page 135. Mentioned on page 120.

Stems slender, 2–5 dm. Leaves: basal withering, 1–2 dm; blade linear. Inflorescences subumbellate, 1–4-flowered; bracts 1–8 cm. Flowers erect; perianth open, campanulate; sepals lanceolate-oblong, attenuate, 2–3 cm; petals deep yellow, usually streaked-redbrown proximally, often with median redbrown blotch, cuneate to obovate, 2–4 cm, with a few slender hairs near gland; glands ± lunate to oblong, not depressed, covered with short, matted hairs; filaments 7–9 mm; anthers linear-oblong, 4–6 mm, apex obtuse or acute. Capsules erect, lanceoloid-linear, angled, 3–6 cm. Seeds light beige, flat. 2n = 14, 28.


Phenology: Flowering late spring–mid summer.
Habitat: Heavy soils in grasslands, open woodlands, mixed evergreen forests
Elevation: 0–700 m

Discussion

Coastal plants of Calochortus luteus are mostly triploid, while those of the interior are mostly diploid. Occasionally this species hybridizes with C. superbus.

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 luteus"
pseudobasifixed +  and basifixed +
linear-oblong +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
acute +  and obtuse +
P. L. Fiedler +  and R. K. Zebell +
Douglas ex Lindley +
whorled +, opposite +  and alternate +
petiole-like +
dilated +
reticulate-veined +  and parallel-veined +
sheathing +  and involucrate +
1;several +
1 cm10 mm <br />0.01 m <br /> (8 cm80 mm <br />0.08 m <br />) +
tunicate +  and scaly +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0–700 m +
connate-coroniform +  and dilated +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
sessile +  and pedicellate +
unisexual +  and bisexual +
winged +  and capsular +
globular +, oblong +, linear +  and 3-angled +
membranaceous +  and leathery +
not depressed +, less lunate +  and oblong +
Heavy soils in grasslands, open woodlands, mixed evergreen forests +
1-4-flowered +  and subumbellate +
paired +, paniculate +  and racemose +
persistent +
proximalmost +
reduced +
many;several +
campanulate +
streaked-redbrown +  and yellow +
distinct +
cuneate;obovate +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Flowering late spring–mid summer. +
Edwards’s Bot. Reg. +
wind-distributed +
light beige +
distinct +
attenuate +  and lanceolate-oblong +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Illustrated +  and Endemic +
adnate +  and free +
staminodial +
3 +, 4 +  and 6 +
branched +, simple +, leafy +  and scapelike +
glaucous +  and glabrous +
slender +
3 +  and 1 +
Mariposa lutea +
Calochortus luteus +
Calochortus +
species +
connate +  and distinct +
sepaloid +  and petaloid +
narrower +
caulescent +  and scapose +
3 +  and 2 +