View source for Macrocoma

{{Treatment/ID
|accepted_name=Macrocoma
|accepted_authority=(Hornschuch ex Müller Hal.) Grout
|publications={{Treatment/Publication
|title=Bryologist
|place=47: 4. 1944
|year=1944
}}
|basionyms={{Treatment/ID/Basionym
|name=Macromitrium sect. Macrocoma
|authority=Hornschuch ex Müller Hal.
|publication_title=Bot. Zeitung (Berlin)
|publication_place=3: 522. 1845
}}
|synonyms=
|hierarchy=Orthotrichaceae;Macrocoma
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Orthotrichaceae]]</div><div class="higher-taxon"><small>genus</small>[[Macrocoma]]</div></div>
|etymology=Greek macros, long, and kome, hair, alluding to long hairs on calyptrae of some species
|volume=Volume 28
|mention_page=page 38, 653
|treatment_page=page 43
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>small, in mats. <b>Stems</b> creeping, branches ascending. <b>Leaves</b> closely erect-appressed, not contorted when dry, erect-spreading when moist, lanceolate to ovate-lanceolate, not rugose; margins entire; apex acute to narrowly obtuse [bluntly acuminate]; costa percurrent; basal laminal cells rounded to elliptic; distal cells rounded-quadrate, 7–12 µm, in vertical rows, smooth [papillose only over lumina]; marginal cells not distinct from basal. <b>Sexual</b> condition gonioautoicous; perichaetial leaves longer than branch leaves. <b>Seta</b> 4–6.5 mm. <b>Capsule</b> exserted, oblong-cylindric to fusiform, ± plicate distally or not, not constricted below mouth; stomata superficial; peristome single, of exostome or endostome; exostome teeth 16 blunt, short, papillose; or endostome basal membrane low, papillose. <b>Calyptra</b> mitrate, long elliptic-conic, basal lobes many, smooth, ± hairy, obscurely plicate, covering capsule. <b>Spores</b> isosporous, unicellular.</span><!--

-->{{Treatment/Body
|distribution=se United States;Mexico;West Indies;Central America;South America;Asia;Africa;Indian Ocean Islands (Madagascar);Pacific Islands (Hawaii;New Zealand);Australia.
|discussion=<p>Species 11 (1 in the flora).</p><!--
--><p>Characters of <i>Macrocoma</i> include the rounded basal laminal cells, slender, irregularly branched stems, leaves erect-appressed when dry, cylindric capsules, peristome often reduced, and calyptra long conic-elliptic. There are often rhizoids present on the abaxial costa surface.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Macrocoma
|author=
|authority=(Hornschuch ex Müller Hal.) Grout
|rank=genus
|parent rank=family
|synonyms=
|basionyms=Macromitrium sect. Macrocoma
|family=Orthotrichaceae
|distribution=se United States;Mexico;West Indies;Central America;South America;Asia;Africa;Indian Ocean Islands (Madagascar);Pacific Islands (Hawaii;New Zealand);Australia.
|reference=None
|publication title=Bryologist
|publication year=1944
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V28/V28_51.xml
|genus=Macrocoma
}}<!--

-->[[Category:Treatment]][[Category:Orthotrichaceae]]