Platanthera blephariglottis

(Willdenow) Lindley

Gen. Sp. Orchid. Pl., 291. 1835.

IllustratedEndemic
Basionym: Orchis blephariglottis Willdenow Sp. Pl. 4(1): 9. 1805
Synonyms: Habenaria blephariglottis (Willdenow) Hooker
Treatment appears in FNA Volume 26. Treatment on page 567. Mentioned on page 552, 564, 568, 569, 571.
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Plants 8–110 cm. Leaves 2–several, spreading to ascending, scattered along stem, rather abruptly to gradually reduced distally; blade linearlanceolate, ovatelanceolate, elliptic-lanceolate, 5–35 × 1–5 cm. Spikes dense to rather lax. Flowers resupinate, showy, white; lateral sepals reflexed; petals linear to oblanceolate, apex fringed to nearly entire; lip reflexed to porrect, without basal thickening, ovate-oblong to oblongelliptic, rarely quadrangular-suborbiculate, margin fringed; spur essentially cylindric, slender; rostellum lobes curving forward, slightly spreading, angular-elongate; pollinaria with stalks curved forward; pollinia remaining enclosed in anther sacs; viscidia elliptic-suborbiculate to orbiculate; ovary slender, 10–28 mm.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Spur less than 26 mm, to 1.25 times length of ovary. Platanthera blephariglottis var. blephariglottis
1 Spur at least 30 mm, commonly about 2 times length of ovary. Platanthera blephariglottis var. conspicua
self-pollination +
fringed +  and nearly entire +
Charles J. Sheviak +
(Willdenow) Lindley +
Orchis blephariglottis +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
5 cm50 mm <br />0.05 m <br /> (35 cm350 mm <br />0.35 m <br />) +
elliptic-lanceolate +  and ovatelanceolate +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
e North America +
3-merous +, sessile +  and pedicellate +
ellipsoid;cylindric +
lateral +  and terminal +
petiolate +, sessile +  and simple +
spreading;ascending +
2 (?) +  and Several (?) +
reduced +
reflexed +  and porrect +
3-partite +  and lobed +
larger +
fringed +, quadrangular-suborbiculate +, ovate-oblong +  and oblongelliptic +
thickening +
differing in form and color +
slender +
1 cm10 mm <br />0.01 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
1-many-flowered +  and cymose +
pendent +  and erect +
linear;oblanceolate +
Gen. Sp. Orchid. Pl., +
aerial +  and subterranean +
lancefusiform +
slender +
angular-elongate +
minute +
free +, distinct +, adnate +  and connate +
foliaceous +
not +  and alike +
Illustrated +  and Endemic +
cylindric +
slender +
leafless +  and leafy +
pendent +  and erect +
proliferous +
thickened +  and stout +
concave +  and convex +
Habenaria blephariglottis +
Platanthera blephariglottis +
Platanthera +
species +
elliptic-suborbiculate +  and orbiculate +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +
erect to somewhat +