Flora of North America species comparison

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Anemia adiantifolia

pine fern, pineland fern
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.
Spores

with ridges ± parallel, distant.
Fertile

pinnae usually taller than sterile blades.
2n

= 76, 114, 152.

Anemia adiantifolia
Habitat Terrestrial on open to lightly shaded, rocky slopes and in hammocks and pine woods, often on limestone
Elevation 0–30 m (0–100 ft)
Distribution
from FNA
FL; Mexico; Central America; West Indies in the Antilles; Trinidad; South America to Ecuador and Brazil
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 2.
Parent taxa Anemiaceae > Anemia
Sibling taxa
A. mexicana, A. wrightii
Synonyms Osmunda adiantifolia
Name authority (Linnaeus) Swartz: Syn. Fil. 157. (1806)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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