Difference between revisions of "Weissia jamaicensis"
Moss Fl. N. Amer. 1: 157. 1938,.
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|place=1: 157. 1938, | |place=1: 157. 1938, | ||
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Tortula jamaicensis | |name=Tortula jamaicensis | ||
|authority=Mitten | |authority=Mitten | ||
| + | |rank=species | ||
| + | |publication_title=J. Linn. Soc., Bot. | ||
| + | |publication_place=12: 147. 1869 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Trichostomum jamaicense | |name=Trichostomum jamaicense | ||
|authority=(Mitten) A. Jaeger | |authority=(Mitten) A. Jaeger | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Pottiaceae;Pottiaceae subfam. Trichostomoideae;Weissia;Weissia jamaicensis | |hierarchy=Pottiaceae;Pottiaceae subfam. Trichostomoideae;Weissia;Weissia jamaicensis | ||
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name=Weissia jamaicensis | name=Weissia jamaicensis | ||
| − | |||
|authority=(Mitten) Grout | |authority=(Mitten) Grout | ||
|rank=species | |rank=species | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V27/V27_735.xml |
|subfamily=Pottiaceae subfam. Trichostomoideae | |subfamily=Pottiaceae subfam. Trichostomoideae | ||
|genus=Weissia | |genus=Weissia | ||
Latest revision as of 21:28, 5 November 2020
Leaves long-lanceolate, base strongly differentiated, rectangular, shoulders strong, distal laminal margins strongly and sharply incurved or inrolled, apex usually somewhat cucullate, acute or narrowly obtuse, mucro usually weak, of 1–3 cells; costa adaxial stereid band almost as large as or larger than the abaxial; distal laminal cells 8–11 µm wide. Sexual condition dioicous (archegoniate plants). Sporophytes absent in range of the flora.
Habitat: Sandy and calcareous soil or rock, ravine banks, roadsides, fields
Elevation: low to moderate elevations
Distribution
Ala., Ariz., Ark., Fla., Ga., La., Miss., Mo., Okla., Tenn., Tex., Mexico, West Indies, Central America, South America.
Discussion
West Indian specimens of Weissia jamaicensis are distinct in the adaxial stereid band larger than the abaxial, the adaxial surface of the costa strongly bulging, and the strongly differentiated, sheathing leaf base with distinct shoulders and thick-walled medial cells bordered by thin-walled marginal cells running up the leaf in a V (as in Tortella). In the flora area, W. jamaicensis may exhibit an adaxial stereid band not as large as the abaxial band, and a poorly differentiated leaf base (as in Texas, Redfearn 30559, MO). Such specimens may be distinguished from the similar T. crispulum, however, by the sharply incurved distal leaf margins and bulging adaxial costal surface.
Selected References
None.