Difference between revisions of "Dennstaedtia globulifera"
Bot. Jahrb. Syst. 34: 455. 1904.
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|name=Polypodium globuliferum | |name=Polypodium globuliferum | ||
|authority=Poiret | |authority=Poiret | ||
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|publication_title=in Lamarck et al., Encycl. | |publication_title=in Lamarck et al., Encycl. | ||
|publication_place=5: 554. 1804 | |publication_place=5: 554. 1804 | ||
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name=Dennstaedtia globulifera | name=Dennstaedtia globulifera | ||
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|authority=(Poiret) Hieronymus | |authority=(Poiret) Hieronymus | ||
|rank=species | |rank=species | ||
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|publication year=1904 | |publication year=1904 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V2/V2_141.xml |
|genus=Dennstaedtia | |genus=Dennstaedtia | ||
|species=Dennstaedtia globulifera | |species=Dennstaedtia globulifera | ||
Revision as of 19:46, 16 December 2019
Stems long-creeping, 3–10 mm diam. Leaves clustered to well separated to distant, erect or arching, 2–3 × (1–)2(–3) m. Petiole yellowish to brown throughout, lustrous, ca. 1/3 length of blade, sparsely pubescent with soft, jointed hairs. Blade green, dull, ovate to deltate, 3(–4)-pinnate, nearly as wide as long, base truncate, apex acute, with reddish jointed hairs on veins abaxially, glabrous adaxially. Basal segments of pinnules alternate; ultimate segments ovate to elliptic, base ± equilateral, margins lobed ca. 1/2 distance to midrib. Sori globose; indusia globose. Spores trilete, strongly 3-lobed, surface coarsely verrucose. 2n = ca. 94.
Phenology: Sporulates summer.
Habitat: Moist caves or sinks
Elevation: 300–500 m
Distribution
Tex., Mexico, West Indies, Central America, South America.
Discussion
The tropical Dennstaedtia globulifera and D. bipinnata are among the largest ferns in the flora. In the flora Dennstaedtia globulifera is found only in Val Verde County, Texas.
Selected References
None.