Malaxis unifolia
Fl. Bor.-Amer. 2: 157. 1803.
Plants 3–50 cm. Pseudobulbs 5–20 mm diam. Leaves 1 (–2, rarely), near middle of stem; blade bright green, glossy, narrowly to broadly ovate, keeled abaxially, 1.6–10 × 0.5–5 cm, apex acute. Inflorescences racemes, appearing umbellate before elongation of rachis, 1–13 cm; floral bracts triangular, 0.16–1.4 mm; pedicels (3.8–) 5–10 (–13) mm. Flowers 10–160, resupinate, green; dorsal sepal oblongelliptic, 1.1–1.9 (–2.2) × 0.5–1 mm, apex acuminate; lateral sepals oblongelliptic, 1.1–1.9 (–2.2) × 0.5–1 mm, apex acuminate; petals strongly recurved, linear to filiform, slightly falcate, 0.8–1.7 (–3) × 0.1–0.2 (–0.3) mm; lip rhombic-deltate to cordate-ovate or oblongelliptic, 1.1–2.3 × 1–2.2 mm, base cordate or auriculate, auricles less than 0.6 times as long as distance from base of lip to apex of middle lobe, apex 3-dentate; column 0.4–0.6 × 0.4–0.6 mm; pollinia yellow. Capsules spreading to slightly drooping, subglobose to ellipsoid, 8 × 4 mm.
Phenology: Flowering spring–fall (south–north).
Habitat: Swamps, bogs, sand barrens, heathlands, and dry woods
Elevation: 0–600 m
Distribution
Man., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., N.H., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Tex., Vt., Va., W.Va., Wis., Mexico, West Indies, n Central America
Discussion
Selected References
None.
Lower Taxa
"-0.6timesaslongasdistancefrombase" is not declared as a valid unit of measurement for this property.