Difference between revisions of "Rosulabryum erythroloma"
Novon 19: 398. 2009.
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|name=Bryum capillare subsp. erythroloma | |name=Bryum capillare subsp. erythroloma | ||
|authority=Kindberg | |authority=Kindberg | ||
| + | |rank=subspecies | ||
|publication_title=Eur. N. Amer. Bryin. | |publication_title=Eur. N. Amer. Bryin. | ||
|publication_place=2: 358. 1898 | |publication_place=2: 358. 1898 | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=B. erythroloma | |name=B. erythroloma | ||
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| + | |rank=species | ||
}} | }} | ||
|hierarchy=Bryaceae;Rosulabryum;Rosulabryum erythroloma | |hierarchy=Bryaceae;Rosulabryum;Rosulabryum erythroloma | ||
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name=Rosulabryum erythroloma | name=Rosulabryum erythroloma | ||
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|authority=(Kindberg) J. R. Spence | |authority=(Kindberg) J. R. Spence | ||
|rank=species | |rank=species | ||
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|publication year=2009 | |publication year=2009 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V28/V28_291.xml |
|genus=Rosulabryum | |genus=Rosulabryum | ||
|species=Rosulabryum erythroloma | |species=Rosulabryum erythroloma | ||
Latest revision as of 22:35, 5 November 2020
Plants small to medium-sized, maroon, red, or red-green. Stems 1–2.5 cm, distinctly singly rosulate, innovations short, rosulate. Leaves of main rosette and innovations similar; appressed and not much altered to sometimes spirally twisted around stem, erect-spreading when moist, obovate, flat, 1–2.5 mm; base decurrent; margins recurved to mid leaf, distinctly serrulate distally, limbidium present, of 2–4 rows of cells; apex acute; costa not reaching apex, percurrent, or short-excurrent, awn stout; proximal laminal cells long-rectangular in rosette leaves; medial and distal cells short-rhomboidal, 15–25 µm wide, 2–3:1, walls firm, not porose. Specialized asexual reproduction by rhizoidal tubers, orange, maroon, or red, (180–)200–350 µm. Sexual condition dioicous. Capsule nutant, brown to red-brown, cylindric to elongate-pyriform, 2.5–4 mm.
Phenology: Capsules mature Apr–Jun.
Habitat: Moist shaded soil, soil banks, rotting wood, lowland forests, protected sites near Pacific coast
Elevation: low to moderate elevations (0-500 m)
Distribution
B.C., Calif., Oreg., Wash., Mexico, Central America (Costa Rica).
Discussion
Rosulabryum erythroloma is a distinctive coastal endemic, characterized by reddish decurrent leaves with a short awn. The capsules often become strikingly bright red and nutant as they mature; the limbidia are red to sometimes yellowish in older leaves.
Selected References
None.