Calochortus tiburonensis

A. J. Hill

Madroño 22: 100, fig. 1. 1973.

Common names: Tiburon mariposa-lily
IllustratedEndemicConservation concern
Treatment appears in FNA Volume 26. Treatment on page 131. Mentioned on page 120, 130.

Stems usually branching, 1–6 dm. Leaves: basal persistent, 1–7 dm; blade lanceolate, flat. Inflorescences 2–several-flowered. Flowers erect; perianth open, campanulate; petals light yellow-green, flecked and streaked purplish brown, oblanceolate, ciliate to near apex, hairy; glands depressed, bordered proximally by ciliate membrane, distally by 2 or more rows of short hairs; anthers short-tipped. Capsules erect, angled, apex acute. Seeds dark-brown, irregular. 2n = 20.


Phenology: Flowering late spring–early summer.
Habitat: Serpentine grasslands
Elevation: 0–200 m

Discussion

Of conservation concern.

Calochortus tiburonensis is known only from Ring Mountain, Marin County.

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property."widened" 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 tiburonensis"
pseudobasifixed +  and basifixed +
linear +  and oblong +
P. L. Fiedler +  and R. K. Zebell +
A. J. Hill +
whorled +, opposite +  and alternate +
dilated +
reticulate-veined +  and parallel-veined +
lanceolate +
sheathing +  and involucrate +
tunicate +  and scaly +
Tiburon mariposa-lily +
0–200 m +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
unisexual +  and bisexual +
winged +  and capsular +
globular +, oblong +, linear +  and 3-angled +
membranaceous +  and leathery +
depressed +
Serpentine grasslands +
2-several-flowered +
paired +, paniculate +  and racemose +
persistent +
proximalmost +
reduced +
many;several +
campanulate +
distinct +
Flowering late spring–early summer. +
wind-distributed +
distinct +
ovate +  and lanceolate +
Illustrated +, Endemic +  and Conservation concern +
adnate +  and free +
staminodial +
3 (?) +, 4 (?) +  and 6 (?) +
3 (?) +  and 1 (?) +
Calochortus tiburonensis +
Calochortus +
species +
connate +  and distinct +
sepaloid +  and petaloid +
narrower +
caulescent +  and scapose +
3 +  and 2 +