Difference between revisions of "Macromitrium"
Muscol. Recent., suppl. 4: 132. 1818.
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|distribution=se United States;Mexico;West Indies;Central America;South America;Asia;Africa;Australia. | |distribution=se United States;Mexico;West Indies;Central America;South America;Asia;Africa;Australia. | ||
|discussion=<p>Species ca. 460 (1 in the flora).</p><!-- | |discussion=<p>Species ca. 460 (1 in the flora).</p><!-- | ||
| − | --><p>Distinguishing characters for Macromitrium include prostrate creeping stems with many short, erect branches, terminal sporophytes, a mitrate, plicate calyptra, and a propensity for a chestnut brown color.</p> | + | --><p>Distinguishing characters for <i>Macromitrium</i> include prostrate creeping stems with many short, erect branches, terminal sporophytes, a mitrate, plicate calyptra, and a propensity for a chestnut brown color.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1818 | |publication year=1818 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V28/V28_54.xml |
|genus=Macromitrium | |genus=Macromitrium | ||
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-->[[Category:Treatment]][[Category:Orthotrichaceae]] | -->[[Category:Treatment]][[Category:Orthotrichaceae]] | ||
Revision as of 17:06, 18 September 2019
Plants small to large, in dense mats. Stems creeping, branches ascending to erect. Leaves strongly crisped and inrolled, rarely erect-appressed when dry, erect-spreading to squarrose-recurved when moist, lanceolate to ligulate-lanceolate, not rugose; margins entire to crenulate; apex sharply acute, obtuse, or obtusely apiculate; costa percurrent to excurrent; basal laminal cells rectangular to elongate-linear; distal cells irregularly hexagonal to rounded-elliptic, 7–11 µm, in vertical rows, smooth to papillose or mammillose only over lumina, papillae 1 to many, conic; marginal cells not distinct from basal. Sexual condition autoicous; perichaetial leaves similar to stem leaves. Seta 5–12 mm. Capsule exserted, ovate, narrowly ovate to ovate-oblong when old and dry, plicate below mouth; stomata superficial; peristome single; exostome teeth 16, sparsely striate. Calyptra mitrate, lacerate, basal lobes many, smooth, naked or hairs few, plicate, covering entire capsule. Spores isosporous or anisosporous, unicellular.
Distribution
se United States, Mexico, West Indies, Central America, South America, Asia, Africa, Australia.
Discussion
Species ca. 460 (1 in the flora).
Distinguishing characters for Macromitrium include prostrate creeping stems with many short, erect branches, terminal sporophytes, a mitrate, plicate calyptra, and a propensity for a chestnut brown color.
Selected References
None.