Goodyera oblongifolia Raf.

Western rattlesnake plantain (en), Goodyérie à feuilles oblongues (fr)

Species

Angiosperms > Asparagales > Orchidaceae > Goodyera

Characteristics

Leaves: blade usually streaked with white only along midrib, sometimes with fine white lateral veins, especially near midrib, narrowly elliptic to ovate, 2.5–10.2 × 1.3–3.5 cm, apex acute. Inflorescences densely to loosely spiraled or secund, 10–48-flowered; peduncle 7–38 cm. Flowers: lateral sepals 5.7–7.8 mm; petals connivent, hood 5–10 mm; lip deeply concave, boat-shaped, 4.9–7.9 × 1.3–3.2 mm, margins upright or involute, apex spreading or slightly recurved, blunt, inner surface with 4 unequal rows of glandular papillae; anther erect, base 1/3–1/2 immersed in cup-shaped clinandrium, apex acuminate; pollinia acuminate; rostellar beak 2-pronged, 2.3–3.6 mm, longer than body of stigma; viscidium elongate. 2n = 30.
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Stout, mostly 2–4 dm; scape with 4–7 bracts; lf-blades lance-ovate to narrowly elliptic, 3–6 cm, usually white only along the midstrip, seldom also on some of the other veins; infl a loose to often rather tight spiral; galea 5–10 (avg 7.5) mm; lip 5–8 (avg 6) mm, with a deeply concave base tapering to a spreading or slightly recurved boat-shaped tip with involute or upright margins; anther acuminate, evidently surpassed by the 2.3–3.6 mm rostellar beak; 2n=30. Dry or moist, hardwood or coniferous forests; P.E.I. and the Gaspé Peninsula to n. Vt.; vicinity of lakes Superior and Huron and n. Lake Michigan; widespread in the w. cordillera. July–Sept. (G. decipiens; Epipactis d.; Peramium d.)
An evergreen herb. It grows 40 cm tall. The leaves are in a ring at the base. There are 3-7 leaves in the ring. They are oblong and 3-8 cm long by 2-4 cm wide. They are dark green. The flowers are dull white. They are in spikes at the top of the plant.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Deep leaf litter and shade of moist or dry coniferous or mixed woods, in East infrequent in cedar swamps, in s Rocky Mountains confined to high elevation spruce-fir forests; 0-3400 m.
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It grows in dry or moist shady forests. It can grow from low elevations to mountain regions.
Light 4-9
Soil humidity 1-6
Soil texture 3-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 6-8

Usage

An exudate from the plant is chewed like chewing gum.
Uses gum medicinal
Edible saps
Therapeutic use Dermatological Aid (leaf), Reproductive Aid (leaf), Antirheumatic (External) (leaf), Gynecological Aid (leaf), Tonic (unspecified), Gynecological Aid (unspecified), Burn (unspecified), Myalgia (unspecified), Sore (unspecified), Stiffness (unspecified), Suppurative (unspecified), Wound (unspecified), Boil (unspecified), Liniment (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions or seedlings.
Mode divisions seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Goodyera oblongifolia habit picture by Maarten Vanhove (cc-by-sa)

Leaf

Goodyera oblongifolia leaf picture by Ethan Greer (cc-by-sa)
Goodyera oblongifolia leaf picture by Oliver Leich (cc-by-sa)
Goodyera oblongifolia leaf picture by jlawrence6809 (cc-by-sa)

Flower

Goodyera oblongifolia flower picture by caitlin (cc-by-sa)

Distribution

Goodyera oblongifolia world distribution map, present in Canada, Colombia, Micronesia (Federated States of), and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:50993774-1
WFO ID wfo-0000974724
COL ID 3H2J4
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Goodyera oblongifolia f. reticulata Spiranthes decipiens Orchiodes decipiens Goodyera menziesii Epipactis decipiens Goodyera decipiens Epipactis decipiens Goodyera oblongifolia var. reticulata Peramium decipiens Peramium menziesii Goodyera oblongifolia