Calochortus argillosus

(Hoover) Zebell & P. L. Fiedler

Madroño 39: 306. 1992.

IllustratedEndemic
Basionym: Mariposa argillosa Hoover Leafl. W. Bot. 4: 3. 1944
Treatment appears in FNA Volume 26. Treatment on page 134. Mentioned on page 122, 132.

Plants bulbose; bulb coat membranous. Stems not branching, 4–6 dm. Leaves: basal withering, 2–3 dm; blade linear. Inflorescences subumbellate, 1–4-flowers; bracts 2–8 cm. Flowers erect; perianth open, campanulate; sepals lanceolate, 2–4 cm, apex acute to acuminate; petals white to purple, with median red blotch often surrounded by pale-yellow, obovate to cuneate, rounded, 2–4 cm, with a few short hairs near gland, apex retuse to obtuse; glands arched, transversely oblong to weakly lunate or ± rectangular, not depressed, densely covered with short hairs; filaments 7–9 mm; anthers lanceolate-linear to oblong, 8–10 mm, apex acute to obtuse. Capsules erect, narrowly lanceoloid, stout, 4–6 cm. Seeds light beige, lanceolate, flat, 5–6 mm. 2n = 14.


Phenology: Flowering late spring–mid summer.
Habitat: Hard clay soil of volcanic or metamorphic rock
Elevation: 0–400 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 argillosus"
pseudobasifixed +  and basifixed +
lanceolate-linear +  and oblong +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
pale-yellow +
acute +  and obtuse +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
P. L. Fiedler +  and R. K. Zebell +
(Hoover) Zebell & P. L. Fiedler +
whorled +, opposite +  and alternate +
petiole-like +
dilated +
Mariposa argillosa +
reticulate-veined +  and parallel-veined +
sheathing +  and involucrate +
1;several +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
tunicate +  and scaly +
lanceoloid +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0–400 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 +
pale-yellow +
not depressed +, transversely oblong +  and weakly lunate or more or less rectangular +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Hard clay soil of volcanic or metamorphic rock +
pale-yellow +
rounded +, obovate +  and cuneate +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
paired +, paniculate +  and racemose +
persistent +
proximalmost +
reduced +
many;several +
campanulate +
white +  and purple +
distinct +
retuse;obtuse +
Flowering late spring–mid summer. +
wind-distributed +
light beige +
lanceolate +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
distinct +
lanceolate +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Illustrated +  and Endemic +
adnate +  and free +
staminodial +
3 +, 4 +  and 6 +
not branching +
glaucous +  and glabrous +
3 +  and 1 +
Calochortus argillosus +
Calochortus +
species +
connate +  and distinct +
sepaloid +  and petaloid +
narrower +
3 +  and 2 +