Difference between revisions of "Pellaea brachyptera"
in Hooker & Baker, Syn. Fil. ed. 2 477. 1874.
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|accepted_name=Pellaea brachyptera | |accepted_name=Pellaea brachyptera | ||
| − | |accepted_authority=(T. Moore) | + | |accepted_authority=(T. Moore) Baker |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
| − | |title=in Hooker & Baker,Syn. Fil. ed. 2 | + | |title=in Hooker & Baker, Syn. Fil. ed. 2 |
|place=477. 1874 | |place=477. 1874 | ||
|year=1874 | |year=1874 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
}} | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Platyloma brachyptera | |name=Platyloma brachyptera | ||
|authority=T. Moore | |authority=T. Moore | ||
| + | |rank=species | ||
|publication_title=Gard. Chron., | |publication_title=Gard. Chron., | ||
|publication_place=141. 1873 | |publication_place=141. 1873 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Pellaea brachyptera | name=Pellaea brachyptera | ||
| − | + | |authority=(T. Moore) Baker | |
| − | |authority=(T. Moore) | ||
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|distribution=Calif.;Oreg.;Wash. | |distribution=Calif.;Oreg.;Wash. | ||
|reference=None | |reference=None | ||
| − | |publication title=in Hooker & Baker,Syn. Fil. ed. 2 | + | |publication title=in Hooker & Baker, Syn. Fil. ed. 2 |
|publication year=1874 | |publication year=1874 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_563.xml |
|genus=Pellaea | |genus=Pellaea | ||
|species=Pellaea brachyptera | |species=Pellaea brachyptera | ||
Latest revision as of 21:24, 5 November 2020
Stems compact, ascending, stout, 5–10 mm diam.; scales bicolored, linear-subulate, 0.1–0.3 mm wide, centers dark brown to black, thick, margins brown, thin, dentate. Leaves monomorphic, clustered on stem, 8–40 cm; croziers sparsely villous. Petiole dark brown, lustrous, flattened or slightly grooved adaxially, without prominent articulation lines. Blade linear-oblong, 2-pinnate proximally, 1–4 cm wide; rachis brown throughout, straight, shallowly grooved adaxially, usually glabrous. Pinnae strongly ascending, not decurrent on rachis, usually with 5–11 ultimate segments; costae straight, 5–20 mm, usually shorter than ultimate segments. Ultimate segments linear, 5–20 mm, leathery, glabrous; margins on fertile segments strongly revolute, covering more than 1/2 abaxial surface, borders greenish, crenate; apex mucronate. Veins of ultimate segments obscure. Sporangia short-stalked, containing 64 spores, intermixed with abundant farina-producing glands.
Phenology: Sporulating summer–fall.
Habitat: Cliffs and rocky slopes, usually on igneous substrates, occasionally on serpentine
Elevation: 900–2700 m
Distribution
Calif., Oreg., Wash.
Discussion
The distinctive Pellaea brachyptera reportedly hybridizes with P. mucronata (A. F. Tryon 1957; D. B. Lellinger 1985); the hybrids are morphologically intermediate plants with malformed spores.
Selected References
None.