Difference between revisions of "Anemia adiantifolia"
Syn. Fil. 157. 1806.
Common names: Pine fern
Basionym: Osmunda adiantifolia Linnaeus Sp. Pl. 2: 1065. 1753
Treatment appears in FNA Volume 2.
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Revision as of 18:56, 24 September 2019
Stems ca. 2 mm diam. Leaves partially dimorphic (sporangia limited to proximal pair of pinnae), 17–85 × 7–35 cm, sterile leaves (excluding erect fertile pinnae) 17–60 cm. Petiole straw-colored to chestnut brown, 1/2–2/3 length of leaf, 1–1.4 mm wide, hirsute to glabrous. Blade deltate, 3-pinnate, leathery. Pinnae 10–18 pairs, alternate to subopposite, segments oblanceolate, base cuneate, margins minutely denticulate, apex obtuse, pilose with stiff white hairs. Fertile pinnae usually taller than sterile blades. Spores with ridges ± parallel, distant. 2n = 76, 114, 152.
Habitat: Terrestrial on open to lightly shaded, rocky slopes and in hammocks and pine woods, often on limestone
Elevation: 0–30 m
Distribution
Fla., Mexico, West Indies in the Antilles, Trinidad, Central America, South America to Ecuador and Brazil.
Discussion
Selected References
None.
Lower Taxa
None.