Cephalanthera austiniae

(A. Gray) A. Heller

Cat. N. Amer. Pl. ed. 2, 4. 1900.

Common names: Phantom orchid snow orchid
IllustratedEndemic
Basionym: Chloraea austiniae A. Gray Proc. Amer. Acad. Arts 12: 83. 1877 (as austinae)
Synonyms: Eburophyton austiniae (A. Gray) A. Heller
Treatment appears in FNA Volume 26. Treatment on page 584.

Plants pure white, 19–65 cm. Leaves proximally reduced to scarious sheathing bracts, to 10 cm, distally reduced to bracts, pure white, becoming brown. Inflorescences: floral bracts scarious, the proximal often foliaceous, distal usually reduced, lanceolate, apex acuminate. Flowers ascending, loosely open orbs, white with yellow markings; sepals lance-elliptic, 12–20 × 4–7 mm, base spread, curving forward to meet but not touch, apex obtuse to subacute; petals oblanceolate, arcuate, 10–17 × 3–6 mm, associated with dorsal sepal; lip 8–12 × 9–14 mm, lateral lobes flanking column, distal end deflexed, yellow centrally. Capsules erect, ellipsoid-oblanceoloid, 15 × 10 mm.


Phenology: Flowering summer.
Habitat: Mineral soil in dry to moist coniferous forests
Elevation: 0–2200 m

Distribution

V26 1192-distribution-map.jpg

B.C., Calif., Idaho, Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Cephalanthera austiniae"
self-pollination +
Charles J. Sheviak +  and Paul M. Catling +
(A. Gray) A. Heller +
curving +
obtuse +  and subacute +
Chloraea austiniae +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
flattened +, triangular +  and cylindric +
reduced +
15 cm150 mm <br />0.15 m <br /> (?) +
ellipsoid-oblanceoloid +
10 cm100 mm <br />0.1 m <br /> (?) +
Phantom orchid +  and snow orchid +
B.C. +, Calif. +, Idaho +, Oreg. +  and Wash. +
0–2200 m +
large +  and minute +
Mineral soil in dry to moist coniferous forests +
lateral +  and terminal +
petiolate +, sessile +  and simple +
brown +  and white +
cauline +  and basal +
reduced +
0 cm0 mm <br />0 m <br /> (10 cm100 mm <br />0.1 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
divided +
larger +
0.9 cm9 mm <br />0.009 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
differing in form and color +
1-many-flowered +  and cymose +
pendent +  and erect +
1 cm10 mm <br />0.01 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Flowering summer. +
Cat. N. Amer. Pl. ed. +
aerial +  and subterranean +
slender +
minute +
free +, distinct +, adnate +  and connate +
foliaceous +
not +  and alike +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Illustrated +  and Endemic +
pendent +  and erect +
proliferous +
thickened +  and stout +
concave +  and convex +
Eburophyton austiniae +
Cephalanthera austiniae +
Cephalanthera +
species +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +