Difference between revisions of "Microgramma heterophylla"
Amer. Fern J. 54: 145. 1964.
Common names: Climbing vine fern
Basionym: Polypodium heterophyllum Linnaeus
Treatment appears in FNA Volume 2.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>appressed to substrate, 0.5–1.2 mm diam.; scales reddish to dark brown, linear-triangular. <b>Leaves</b> irregularly spaced. <b>Petiole</b> to ca. 2 cm. <b>Blade</b> 4–15 × ca. 1 cm, margins entire to undulate and ± shallowly crenulate, glabrous. <b>Veins</b> forming 1 series of linear polygonal costal areoles without free included veinlets, medial row of larger rectangular to polygonal areoles (usually with 1–2, simple or forked, free included veinlets), and a series of short, casually anastomosing marginal veinlets. <b>Sori</b> terminal on included veinlets; indument of few paraphyses longer than sporangia.</span><!-- |
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|publication year=1964 | |publication year=1964 | ||
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|genus=Microgramma | |genus=Microgramma | ||
|species=Microgramma heterophylla | |species=Microgramma heterophylla | ||
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Revision as of 13:20, 27 July 2019
Stems appressed to substrate, 0.5–1.2 mm diam.; scales reddish to dark brown, linear-triangular. Leaves irregularly spaced. Petiole to ca. 2 cm. Blade 4–15 × ca. 1 cm, margins entire to undulate and ± shallowly crenulate, glabrous. Veins forming 1 series of linear polygonal costal areoles without free included veinlets, medial row of larger rectangular to polygonal areoles (usually with 1–2, simple or forked, free included veinlets), and a series of short, casually anastomosing marginal veinlets. Sori terminal on included veinlets; indument of few paraphyses longer than sporangia.
Habitat: Epiphytic on relatively smooth-barked trees, or growing on logs and rock, in tropical hammocks, substrate circumneutral to acidic
Elevation: 0 m
Distribution
Fla., West Indies.
Discussion
Selected References
None.
Lower Taxa
None.