Difference between revisions of "Tectaria heracleifolia"
Bull. Torrey Bot. Club 33: 200. 1906.
Common names: Broad halberd fern
Illustrated
Basionym: Aspidium heracleifolium Willdenow Sp. Pl. 5(1): 217. 1810
Treatment appears in FNA Volume 2.
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Latest revision as of 20:24, 5 November 2020
Stems erect, compact. Petiole straw-colored or rarely brown, 1–2 times length of blade, glabrous on both surfaces, base scaly; scales linear to lanceolate, 3–10 × 0.5–2 mm. Blade ovate to pentagonal, 1-pinnate or (in small plants) ternately lobed, (12–)20–40(–50) × 14–40(–45) cm. Rachis and costae glabrous abaxially. Pinnae 1–2(–3) pairs, 12–22 cm, base cordate, margins shallowly lobed, with pair of basal lobes and without proliferous buds in axils. Areoles with included veinlets. Indusia peltate. 2n = 160.
Habitat: Rocky hammocks, limestone outcrops in shade, cave entrances
Elevation: 0–100 m
Distribution
Fla., Tex., Mexico, West Indies in Antilles, Central America, South America to Peru.
Discussion
Selected References
None.
Lower Taxa
None.