Thelypteris hispidula var. versicolor
Amer. Fern J. 71: 94. 1981.
Stems short-creeping to ascending at apex, 3–5 mm diam. Leaves monomorphic, evergreen, closely placed, (20–)40–95 cm. Petiole straw-colored, (5–)10–40 cm × 1.5–3 mm, at base with brown, lanceolate, hairy scales. Blade 14–55 cm, proximal 0–2(–4) pairs of pinnae slightly to greatly reduced (lowest pinnae to 1/3 length of longest), blade gradually tapered to pinnatifid apex. Pinnae 4–14 × 0.8–2 cm, incised 3/4–4/5 of width; segments spreading or somewhat oblique, rounded at tip, basal acroscopic segment of proximal pinnae sometimes auriculate and crenate; proximal pair of veins from adjacent segments united just below sinus or approaching each other and turning abruptly toward sinus, or connivent at sinus, excurrent vein, if any, 1 mm or less. Indument on both surfaces of densely set hairs 0.2–0.8 mm on costae, veins, and often blade tissue, also often of yellowish, stalked glands 0.1 mm. Sori round, medial to supramedial; indusia hairy; sporangial stalks with inconspicuous stalked, pear-shaped glands. 2n = 72.
Habitat: Woodlands and limestone sinks, especially in seepage areas and along streams
Elevation: 0–100 m
Distribution
Ala., Fla., Ga., La., Miss., S.C., Tex., West Indies in Cuba.
Discussion
Selected References
None.