Malaxis monophyllos var. brachypoda

(A. Gray) F. Morris & E. A. Eames

Our Wild Orchids, 358. 1929.

Common names: North American white adder’s-mouth malaxis à pédicelles courts
Endemic
Basionym: Microstylis brachypoda A. Gray Ann. Lyceum Nat. Hist. New York 3: 228. 1835
Synonyms: Malaxis brachypoda (A. Gray) Fernald
Treatment appears in FNA Volume 26. Treatment on page 629. Mentioned on page 627.

Plants 3–30 cm. Pseudobulbs 4–8 mm diam. Leaves 1(–2, rarely), petiolate base sheathing stem; blade light green, ovate-elliptic, keeled abaxially, 1.5–9.5 × 1–5 cm, apex acute. Inflorescences: floral bracts lanceolate, 1.5–2 mm; pedicels 2–4.5 mm. Flowers resupinate, green or greenish white; dorsal sepal ovate-lanceolate, 1.5–2.5 × 1–1.4 mm, margins revolute, apex acuminate; lateral sepals oblong-lanceolate, slightly falcate, 1.5–2.5 × 0.5–1.2 mm, apex acuminate; petals strongly reflexed, filiform to narrowly linear-lanceolate, 1.4–2.5 × 0.3–0.4(–0.5) mm, apex rounded; lip broadly triangular, concave, 3-lobed, middle lobe ovate, apex acuminate, lateral lobes auriculate, thickened, curved upward; disc with 2 low, thickened, elongate calli, 1.3–2.2 × 1.2–1.8(–2) mm; column 0.4–0.6 × 0.4–0.6 mm. 2n = 28.


Phenology: Flowering summer.
Habitat: Swamps, bogs
Elevation: 0–400 m

Distribution

V26 1287-distribution-map.jpg

Alta., B.C., Man., N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que., Sask., Yukon, Alaska, Calif., Colo., Ill., Ind., Maine, Mass., Minn., N.H., N.Y., Pa., Vt., Wis.

Discussion

Selected References

None.

Lower Taxa

None.
Paul M. Catling +  and Lawrence K. Magrath +
(A. Gray) F. Morris & E. A. Eames +
Microstylis brachypoda +
North American white adder’s-mouth +  and malaxis à pédicelles courts +
Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Alaska +, Calif. +, Colo. +, Ill. +, Ind. +, Maine +, Mass. +, Minn. +, N.H. +, N.Y. +, Pa. +, Vt. +  and Wis. +
0–400 m +
Swamps, bogs +
Flowering summer. +
Our Wild Orchids, +
Malaxis brachypoda +
Malaxis monophyllos var. brachypoda +
Malaxis monophyllos +
variety +