familyPolypodiaceae
genusPhlebodium
Show Lower Taxa
Difference between revisions of "Phlebodium"
J. Bot. (Hooker) 4: 58. 1841.
Common names: Golden polypodies
Etymology: Greek phlebos, vein, referring to the prominent venation
Basionym: Polypodium sect. Phlebodium R. Brown
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> creeping, branched, not whitish pruinose, 8–30 mm diam.; scales concolored, lanceolate, not clathrate, glabrous, margins dentate. <b>Leaves</b> monomorphic, widely spaced, not conspicuously narrowed at tip, to 130 cm. <b>Petiole</b> articulate to stem, dark brown, round in cross section, with 2 adaxial grooves. <b>Blade</b> ovate to elliptic, not pectinate, pinnatisect with broadly winged rachises and rounded sinuses, with fewer than 20 pairs of segments, glaucous, usually glabrous, scales absent; rachis glabrous. <b>Segments</b> linear to lanceolate, margins entire, apex rounded. <b>Veins</b> free near margins, well developed near costae, highly reticulate, usually with 1 row of costal areoles extending from vein to vein without included veinlets, and with a series of elongate, polygonal areoles with 1–3 excurrent included veinlets meeting at apices, and similar areoles closer to margin of segment mostly without included veinlets. <b>Sori</b> on veins, transverse, 2 in each major areole on included veinlets, circular to oblong; indument absent. <b>Spores</b> tuberculate. <b>x</b> = 37.</span><!-- |
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Revision as of 13:20, 27 July 2019
Plants epiphytic. Stems creeping, branched, not whitish pruinose, 8–30 mm diam.; scales concolored, lanceolate, not clathrate, glabrous, margins dentate. Leaves monomorphic, widely spaced, not conspicuously narrowed at tip, to 130 cm. Petiole articulate to stem, dark brown, round in cross section, with 2 adaxial grooves. Blade ovate to elliptic, not pectinate, pinnatisect with broadly winged rachises and rounded sinuses, with fewer than 20 pairs of segments, glaucous, usually glabrous, scales absent; rachis glabrous. Segments linear to lanceolate, margins entire, apex rounded. Veins free near margins, well developed near costae, highly reticulate, usually with 1 row of costal areoles extending from vein to vein without included veinlets, and with a series of elongate, polygonal areoles with 1–3 excurrent included veinlets meeting at apices, and similar areoles closer to margin of segment mostly without included veinlets. Sori on veins, transverse, 2 in each major areole on included veinlets, circular to oblong; indument absent. Spores tuberculate. x = 37.
Distribution
Tropical regions, North America, Mexico, West Indies, Central America, South America.
Discussion
Species 2–4 (1 in the flora).