Difference between revisions of "Micromitrium wrightii"

(Müller Hal.) Crosby

Bryologist 71: 116. 1968,.

Basionym: Ephemerum wrightii Müller Hal.
Synonyms: Nanomitrium wrightii (Müller Hal.) V. S. Bryan & L. E. Anderson
Treatment appears in FNA Volume 27. Treatment on page 649. Mentioned on page 647, 648, 653.
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|elevation=low elevations (0-100 m)
 
|elevation=low elevations (0-100 m)
 
|distribution=La.;Tex.;West Indies (Cuba).
 
|distribution=La.;Tex.;West Indies (Cuba).
|discussion=<p>Although the leaves of Micromitrium wrightii are most accurately described as ecostate, the largest leaves may have suggestions of a costa. Some have merely thick-walled cells in the median part of the leaf, and others may have ± 3 median, undifferentiated cells in a double layer.</p><!--
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|discussion=<p>Although the leaves of <i>Micromitrium wrightii</i> are most accurately described as ecostate, the largest leaves may have suggestions of a costa. Some have merely thick-walled cells in the median part of the leaf, and others may have ± 3 median, undifferentiated cells in a double layer.</p><!--
--><p>Micromitrium wrightii is known from five or fewer localities.</p>
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--><p><i>Micromitrium wrightii</i> is known from five or fewer localities.</p>
 
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|publication year=
 
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|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V27/V27_957.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V27/V27_957.xml
 
|genus=Micromitrium
 
|genus=Micromitrium
 
|species=Micromitrium wrightii
 
|species=Micromitrium wrightii

Revision as of 17:58, 18 September 2019

Plants scattered in abundant protonemata, green. Stems virtually absent. Leaves erect, linear-lanceolate, rarely with narrow, toothed shoulders, gradually and slenderly acuminate, 1–2 × 0.15–0.26 mm, margins plane, entire or with short single or double teeth distally. Sexual condition synoicous or dioicous. Capsule cleistocarpous or rarely dehiscing by a ring of differentiated cells distal to the equator, yellow- to orange-brown, globose or slightly flattened, slightly apiculate; exothecial cells in 2 layers, stomates numerous and confined to proximal half. Spores fewer than 100, various shapes, proximal face not concave, 50–84 × 40–66 µm, red-brown or dark brown.


Phenology: Capsules mature year around.
Habitat: Soil in shaded ravines, drying mud, clay in dry sloughs
Elevation: low elevations (0-100 m)

Distribution

V27 957-distribution-map.gif

La., Tex., West Indies (Cuba).

Discussion

Although the leaves of Micromitrium wrightii are most accurately described as ecostate, the largest leaves may have suggestions of a costa. Some have merely thick-walled cells in the median part of the leaf, and others may have ± 3 median, undifferentiated cells in a double layer.

Micromitrium wrightii is known from five or fewer localities.

Selected References

None.

Lower Taxa

None.