familyPolypodiaceae
genusNeurodium
Show Lower Taxa
Difference between revisions of "Neurodium"
4: 201. 1850.
Common names: Ribbon ferns
Etymology: Greek neuron, nerve, and -ium, resemblance veinlets are embossed
Synonyms: Paltonium C. Presl
Treatment appears in FNA Volume 2.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>epiphytic. <b>Stems</b> short-creeping, branched, 2–4 mm diam., not whitish pruinose; scales bicolored, lanceolate, somewhat clathrate, margins dentate. <b>Leaves</b> essentially monomorphic, tufted, narrowed toward apex, to 45 cm. <b>Petiole</b> articulate to stem, greenish, round in cross section, grooved at base. <b>Blade</b> linear to lanceolate-elliptic, simple, not glaucous, glabrous, margins entire. <b>Veins</b> obscure, in irregular areoles that are generally longer than wide and parallel to costa, included veinlets 1–2, simple or forked, free. <b>Sori</b> in nearly continuous, nearly marginal band (coenosorus) in distal 1/2 of blade, sometimes also with 1–3 separate oblong to circular sori proximally; indument filamentous. <b>Spores</b> minutely tuberculate. <b>x</b> = 37.</span><!-- |
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Latest revision as of 20:22, 5 November 2020
Plants epiphytic. Stems short-creeping, branched, 2–4 mm diam., not whitish pruinose; scales bicolored, lanceolate, somewhat clathrate, margins dentate. Leaves essentially monomorphic, tufted, narrowed toward apex, to 45 cm. Petiole articulate to stem, greenish, round in cross section, grooved at base. Blade linear to lanceolate-elliptic, simple, not glaucous, glabrous, margins entire. Veins obscure, in irregular areoles that are generally longer than wide and parallel to costa, included veinlets 1–2, simple or forked, free. Sori in nearly continuous, nearly marginal band (coenosorus) in distal 1/2 of blade, sometimes also with 1–3 separate oblong to circular sori proximally; indument filamentous. Spores minutely tuberculate. x = 37.
Distribution
Tropical, North America, Mexico, West Indies, Central America.
Discussion
Species 1 (1 in the flora).
Selected References
None.