Cephalanthera austiniae (A.Gray) A.Heller

Phantom orchid (en), Céphalanthère d'austin (fr)

Species

Angiosperms > Asparagales > Orchidaceae > Cephalanthera

Characteristics

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.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.6
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 1-3
Soil humidity 5-7
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-10

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Cephalanthera austiniae flower picture by John John Hardham (cc-by-sa)

Distribution

Cephalanthera austiniae world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:622363-1
WFO ID wfo-0000828852
COL ID 69HC7
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Limodorum oreganum Serapias austiniae Limodorum austiniae Cephalanthera oregana Cephalanthera austiniae Eburophyton austiniae Chloraea austiniae Epipactis austiniae Epipactis oregana Chloraea oregana Cephalanthera austinae