Phegopteris hexagonoptera

(Michaux) Fée

5: 242. 1852.

Common names: Broad beech fern southern beech fern phégoptère à hexagones
Basionym: Polypodium hexagonopterum Michaux Fl. Bor.-Amer. 2: 271. 1803
Synonyms: Dryopteris hexagonoptera (Michaux) C. Christensen Thelypteris hexagonoptera (Michaux) Nieuwland
Treatment appears in FNA Volume 2.

Stems long-creeping, 2–4 mm diam. Leaves monomorphic, dying back in winter, often 1–2 cm apart, ca. 25–75 cm. Petiole straw-colored, (7–)20–45 cm × 1.5–3 mm, at base with scales tan, lanceolate, glabrous or marginally hairy. Blade broadly deltate, about as broad as long, (8–)15–33 cm, proximal pinnae longest and narrowed at base, usually spreading or slightly ascending. Pinnae 7–20 × 2–6(–8) cm, all connected by wing along rachis, deeply pinnatifid; segments entire or largest pinnatifid about halfway to costule; proximal pair of veins from adjacent segments meeting margin above sinus, veins often forked. Indument abaxially of moderately to densely set hairs mostly 0.1–0.25 mm along costae and veins, also of yellowish stalked glands 0.1 mm on veins and blade tissue, costae with whitish to light tan, narrowly lanceolate, spreading, marginally hairy scales to ca. 1.5 mm. Sori subterminal on veins. 2n = 60.

Habitat: In moist woods, usually in full shade, often in moderately acid soils
Elevation: 0–1000 m


V2 95-distribution-map.gif

Ont., 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.


G. A. Mulligan and W. J. Cody (1979) reported hybrids between Phegopteris hexagonoptera and P. connectilis from a few localities in Quebec, New Brunswick, and Nova Scotia. These hybrids are apogamous and have a chromosome number of 2n = 120.

Selected References


Lower Taxa

... more about "Phegopteris hexagonoptera"
Alan R. Smith +
(Michaux) Fée +
Polypodium hexagonopterum +
Broad beech fern +, southern beech fern +  and phégoptère à hexagones +
Ont. +, 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. +  and Wis. +
0–1000 m +
In moist woods, usually in full shade, often in moderately acid soils +
Mém. Foug. +
Illustrated +  and Endemic +
Dryopteris hexagonoptera +  and Thelypteris hexagonoptera +
Phegopteris hexagonoptera +
Phegopteris +
species +