Difference between revisions of "Polystichum microchlamys"
Index Pl. Jap. 1: 343. 1904.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Aspidium microchlamys | |name=Aspidium microchlamys | ||
|authority=H. Christ | |authority=H. Christ | ||
| + | |rank=species | ||
| + | |publication_title=Bull. Herb. Boissier | ||
| + | |publication_place=7: 820. 1899 | ||
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name=Polystichum microchlamys | name=Polystichum microchlamys | ||
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|authority=(H. Christ) Matsumura | |authority=(H. Christ) Matsumura | ||
|rank=species | |rank=species | ||
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|genus=Polystichum | |genus=Polystichum | ||
|species=Polystichum microchlamys | |species=Polystichum microchlamys | ||
Latest revision as of 20:25, 5 November 2020
Stems erect. Leaves arching, 3–8 dm; bulblets absent. Petiole 1/8–1/4 length of leaf, densely scaly; scales brown, diminishing in size distally. Blade broadly lanceolate, 1-pinnate-pinnatifid, base slightly narrowed. Pinnae narrowly lanceolate, not overlapping, in 1 plane, 3–13 cm; base oblique, proximal acroscopic segments enlarged; margins incised to costa but segments sessile and adnate to costa for at least 2 mm, segments excised and decurrent, serrulate-spiny with teeth spreading to ascending; apex acute with subapical and apical teeth same size; microscales filiform, dense abaxially, sparse adaxially. Indusia erose-dentate. Spore color unknown.
Habitat: Terrestrial
Elevation: 0–100 m
Distribution
Alaska, Asia in Kamtchatka and Japan.
Discussion
Polystichum microchlamys is found in the flora only on Attu, at the western tip of the Aleutian Archipelago.
Selected References
None.