Calochortus coxii

M. R. Godfrey & Callahan

Phytologia 65: 216, fig.1g–k. 1988.

Common names: Cox’s mariposa-lily
Treatment appears in FNA Volume 26. Treatment on page 126. Mentioned on page 120.

Stems usually not branching, straight to flexuous, often scapelike, 15–25 cm. Leaves: basal ± erect, to 3 dm × 3–7 mm; blade with adaxial surface densely hairy, abaxial surface glabrous, shiny. Inflorescences erect, 1–7-flowered; bracts 1–several, 2.5–3 cm. Flowers erect; perianth open, campanulate; sepals ovate-acuminate, 20 × 8 mm; petals white, with reddish striations from base to gland and broad lavender chevron just distal to gland margins, broadly obovate, 2.5 cm, adaxial surface densely hairy, margins slightly ciliate; glands transversely oblong-lunate, deeply depressed, green at adaxial base, 1/2 to nearly equaling petal claw width, surrounded by yellow hairs that grade to white at petal apex, covered with membranous scales, scales covered with very small, translucent, rodlike hairs; filaments 7 mm; anthers reddish-brown, 3–7 mm, apex apiculate. Capsules nodding, 3-winged, ellipsoid-elongate, 3–4 cm. Seeds light beige, surface rough.


Phenology: Flowering mid summer.
Habitat: North-facing open grassy slopes or woods, on serpentine
Elevation: 200–1000 m

Discussion

Of conservation concern.

Calochortus coxii is endemic to Douglas County from near the Umpqua River to Myrtle Creek Mountain.

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property."widened" is not a number."yellow" is not a number."broad" is not a number."thicker" is not a number.

... more about "Calochortus coxii"
reddish-brown +
pseudobasifixed +  and basifixed +
linear +  and oblong +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
P. L. Fiedler +  and R. K. Zebell +
M. R. Godfrey & Callahan +
whorled +, opposite +  and alternate +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
dilated +
reticulate-veined +  and parallel-veined +
sheathing +  and involucrate +
tunicate +  and scaly +
ellipsoid-elongate +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Cox’s mariposa-lily +
200–1000 m +
connate-coroniform +  and dilated +
7 cm70 mm <br />0.07 m <br /> (?) +
sessile +  and pedicellate +
unisexual +  and bisexual +
winged +  and capsular +
globular +, oblong +, linear +  and 3-angled +
membranaceous +  and leathery +
white +  and green +
depressed +  and oblong-lunate +
North-facing open grassy slopes or woods, on serpentine +
rodlike +
paired +, paniculate +  and racemose +
persistent +
proximalmost +
reduced +
many;several +
campanulate +
distinct +
2.5 cm25 mm <br />0.025 m <br /> (?) +
Flowering mid summer. +
membranous +
wind-distributed +
distinct +
ovate-acuminate +
8 cm80 mm <br />0.08 m <br /> (?) +
adnate +  and free +
staminodial +
3 (?) +, 4 (?) +  and 6 (?) +
straight;flexuous +
15 cm150 mm <br />0.15 m <br /> (25 cm250 mm <br />0.25 m <br />) +
3 (?) +  and 1 (?) +
Calochortus coxii +
Calochortus +
species +
connate +  and distinct +
sepaloid +  and petaloid +
narrower +
caulescent +  and scapose +
3 +  and 2 +