Aplectrum hyemale

(Muhlenburg ex Willdenow) Torrey

Gen. N. Amer. Pl. 2: 198. 1818.

IllustratedEndemic
Basionym: Cymbidium hyemale Muhlenburg ex Willdenow Sp. Pl. 4(1): 107. 1805
Treatment appears in FNA Volume 26. Treatment on page 632. Mentioned on page 628.

Plants 18–50 cm. Leaves persistent, petiolate; blade narrowly to broadly elliptic, prominently and irregularly plicate, 10–20 × 3–8 cm, abaxially usually maroon or greenish purple, adaxially dark green with whitish veins. Inflorescences: floral bracts inconspicuous, 3–7 × 1.5 mm, apex subulate to acuminate. Flowers prominent but inconspicuously colored; sepals spreading, greenish or yellowish suffused with magenta or purple-brown, oblong-oblanceolate to narrowly elliptic, 10–15 × 1.8–4 mm; petals parallel to column, greenish or yellowish, suffused with magenta or purple-brown, oblong-oblanceolate, 9–13 × 1.8–3.5 mm; lip white with magenta spots, obovate in outline, 9–12 × 7–9 mm, apex 3-lobed, lateral lobes ascending and flanking column, middle lobe broadly expanded, crenate; column 7 × 2 mm. Capsules ellipsoid, strongly ribbed, 15–30 × 7–12 mm.


Phenology: Flowering late spring.
Habitat: Moist, deciduous, upland to swampy forests
Elevation: 0–1200 m

Distribution

V26 1296-distribution-map.jpg

Ont., Que., Ala., Ark., Conn., Del., D.C., Ga., Ill., Ind., Iowa, Kans., Ky., Md., Mass., Mich., Minn., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., Tenn., Vt., Va., W.Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Aplectrum hyemale"
Charles J. Sheviak +  and Paul M. Catling +
(Muhlenburg ex Willdenow) Torrey +
Cymbidium hyemale +
Ont. +, Que. +, Ala. +, Ark. +, Conn. +, Del. +, D.C. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
0–1200 m +
Moist, deciduous, upland to swampy forests +
Flowering late spring. +
Gen. N. Amer. Pl. +
Illustrated +  and Endemic +
Aplectrum hyemale +
Aplectrum +
species +