Difference between revisions of "Rhytidiadelphus japonicus"
Hikobia 6: 19. 1971.
Illustrated
Basionym: Rhytidiadelphus squarrosus subsp. japonicus Reimers Bot. Jahrb. Syst. 64: 559. 1931
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|species=Rhytidiadelphus japonicus | |species=Rhytidiadelphus japonicus | ||
Revision as of 22:46, 27 May 2020
Plants to 7 cm, soft. Stems 3–5 mm wide across leafy stem, remotely and irregularly branched to irregularly 1 (or 2)-pinnate, branches to 1.5 cm. Stem leaves wide-spreading to squarrose, not crowded, broadly ovate, not plicate or rugose, 2.1–3.8 × 1.6–3.2 mm; base scarcely sheathing, broadly rounded to insertion; apex abruptly narrowed, acumen short, channeled; costa 1/3–1/2 leaf length; alar cells vaguely distinct, slightly wider than basal cells, walls thick, porose; medial laminal cells 25–55 × 4–7 µm, smooth. Branch leaves ovate, 1.5–2.8 × 0.7–2 mm. [Capsule oblong, 2.1 mm].
Habitat: Under tall forbs in coastal meadows of lower mountain slopes
Elevation: low elevations (0-30 m)
Distribution
Alaska, e Asia.
Discussion
Rhytidiadelphus japonicus is known from five or fewer localities in North America, all in the Aleutian Islands.
Selected References
None.
Lower Taxa
None.