Calochortus raichei

Farwig & V. Girard

Herbertia 43(1): 3, figs. 1, 2. 1987.

Common names: Cedars fairy lantern
IllustratedEndemicConservation concern
Treatment appears in FNA Volume 26. Treatment on page 124. Mentioned on page 119, 123.

Stems usually not branching distal to base, 1–10 dm, conspicuously glaucous. Leaves: basal 3–4 dm; blade linear, attenuate, channeled, conspicuously glaucous. Inflorescences 1–2-flowered; bracts paired, opposite. Flowers nodding; perianth ± closed at apex, ± oblong; sepals appressed to petals, grayish mauve to pale green, broadly lanceolate, 1–2.5 cm, glabrous, apex acuminate; petals pale-yellow, obovate, 2–4.5 cm, adaxial surface moderately hairy from gland to apex, margins moderately ciliate to apex, apex acuminate to acute; glands depressed, with long, thin, distal hairs; filaments 7–9 mm; anthers ± oblong, 6 mm, apex obtuse. Capsules nodding, ridged, not winged, oblong, 2–4 cm, apex acute. Seeds dark-brown, irregular.


Phenology: Flowering summer.
Habitat: Exposed serpentine soil in open woodlands
Elevation: less than 300 m

Discussion

Of conservation concern.

Calochortus raichei is known only from the headwaters area of Big Austin Creek, Sonoma County. It is threatened by mining activities.

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 raichei"
pseudobasifixed +  and basifixed +
6 cm60 mm <br />0.06 m <br /> (?) +
acute +, obtuse +  and acuminate +
P. L. Fiedler +  and R. K. Zebell +
Farwig & V. Girard +
whorled +, opposite +  and alternate +
petiole-like +
dilated +
reticulate-veined +  and parallel-veined +
channeled +  and attenuate +
sheathing +  and involucrate +
opposite +  and paired +
1;several +
tunicate +  and scaly +
oblong +  and ridged +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Cedars fairy lantern +
less than 300 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 +
depressed +
Exposed serpentine soil in open woodlands +
paired +, paniculate +  and racemose +
persistent +
proximalmost +
reduced +
many;several +
zygomorphic +  and actinomorphic +
pale-yellow +
distinct +
obovate +
2 cm20 mm <br />0.02 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
Flowering summer. +
wind-distributed +
dark-brown +
grayish mauve +  and pale green +
distinct +
lanceolate +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Illustrated +, Endemic +  and Conservation concern +
adnate +  and free +
staminodial +
3 +, 4 +  and 6 +
3 +  and 1 +
Calochortus raichei +
Calochortus +
species +
connate +  and distinct +
sepaloid +  and petaloid +
narrower +
caulescent +  and scapose +
3 +  and 2 +