Difference between revisions of "Erpodium acrifolium"
Bryologist 69: 465. 1966,.
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|elevation=low to moderate elevations | |elevation=low to moderate elevations | ||
|distribution=Tex.;Mexico (Sonora;Tamaulipas). | |distribution=Tex.;Mexico (Sonora;Tamaulipas). | ||
| − | |discussion=<p>In general aspect, Erpodium acrifolium resembles E. beccarii G. Venturi, a wide ranging species found in Mexico but not known from the United States. Both species have subulate leaves. However, E. acrifolium has smooth laminal cells whereas the laminal cells of E. beccarii are pluripapillose.</p> | + | |discussion=<p>In general aspect, <i>Erpodium acrifolium</i> resembles E. beccarii G. Venturi, a wide ranging species found in Mexico but not known from the United States. Both species have subulate leaves. However, <i>E. acrifolium</i> has smooth laminal cells whereas the laminal cells of E. beccarii are pluripapillose.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Erpodium acrifolium | name=Erpodium acrifolium | ||
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|authority=Pursell | |authority=Pursell | ||
|rank=species | |rank=species | ||
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| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V27/V27_684.xml |
|genus=Erpodium | |genus=Erpodium | ||
|species=Erpodium acrifolium | |species=Erpodium acrifolium | ||
Latest revision as of 21:27, 5 November 2020
Plants shiny, dark green, irregularly branched, branches ± erect, in loose mats. Leaves imbricate when dry, widely spreading when wet, not complanate, symmetric to ± asymmetric, 0.6–1.1 mm, ovate to oblong-lanceolate, subulate, subula hyaline, smooth to serrulate; laminal cells bulging, smooth, thin- but firm-walled, quadrate to oblate-hexagonal, 16–38 µm × 20–36 µm; marginal cells slightly smaller. Perichaetial leaves enlarged, sheathing. Seta short to virtually absent, 0.04–0.08 mm. Capsule immersed to emergent, yellow-brown, ovoid-cylindric, 0.9–1.1 mm, stomatose; annuli broad, 2–3 rows of ± quadrate cells wide, persistent; peristome absent; operculm erect-rostrate. Calpytra to 0.6 mm, smooth, plicate, plicae serrate. Spores 23–32 µm, minutely papillose.
Habitat: Dry areas on bark of trees and rocks
Elevation: low to moderate elevations
Distribution
Tex., Mexico (Sonora, Tamaulipas).
Discussion
In general aspect, Erpodium acrifolium resembles E. beccarii G. Venturi, a wide ranging species found in Mexico but not known from the United States. Both species have subulate leaves. However, E. acrifolium has smooth laminal cells whereas the laminal cells of E. beccarii are pluripapillose.
Selected References
None.