Difference between revisions of "Grammitis"
J. Bot. (Schrader) 1800(2): 3, 17. 1802.
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--><p>Species ca. 300 or more (1 in the flora).</p> | --><p>Species ca. 300 or more (1 in the flora).</p> | ||
|tables= | |tables= | ||
| − | |references= | + | |references={{Treatment/Reference |
| + | |id=bishop1978a | ||
| + | |text=Bishop, L. E. 1978. Revision of the genus Cochlidium (Grammitidaceae). Amer. Fern J. 68: 76--94. | ||
| + | }}{{Treatment/Reference | ||
| + | |id=farrar1967a | ||
| + | |text=Farrar, D. R. 1967. Gametophytes of four tropical fern genera reproducing independently of their sporophytes in the southern Appalachians. Science 155: 1266--1267. | ||
| + | }} | ||
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|family=Grammitidaceae | |family=Grammitidaceae | ||
|distribution=Tropical and subtropical;North America;South America;Asia;Africa;Pacific Islands;Australia. | |distribution=Tropical and subtropical;North America;South America;Asia;Africa;Pacific Islands;Australia. | ||
| − | |reference= | + | |reference=bishop1978a;farrar1967a |
|publication title=J. Bot. (Schrader) | |publication title=J. Bot. (Schrader) | ||
|publication year=1802 | |publication year=1802 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_790.xml |
|genus=Grammitis | |genus=Grammitis | ||
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-->[[Category:Treatment]][[Category:Grammitidaceae]] | -->[[Category:Treatment]][[Category:Grammitidaceae]] | ||
Latest revision as of 20:25, 5 November 2020
Plants often less than 15 cm [rarely more than 50 cm]. Blade pinnatifid [simple to 1-pinnate or rarely more divided], bristly [or glabrous], glandless [or glandular]; setae dark reddish brown [to transparent]. Veins simple or 1-forked [to pinnately veined] in each segment, free, ending in hydathodes adaxially. Sori round [to oval or elongate], not forming a coenosorus, not sunken; paraphyses absent [or present]. x = 32, 33, 36, 37.
Distribution
Tropical and subtropical, North America, South America, Asia, Africa, Pacific Islands, Australia.
Discussion
The total number of species is based on acceptance of a relatively broad circumscription. Our sole species belongs to the group (genus or subgenus) formerly called Xiphopteris, a name that is now treated as a synonym of Cochlidium (L. E. Bishop 1978). This group comprises perhaps 30 species and is defined by the following characteristics: stem scales not clathrate, often marginally bristly; veins simple or with a single acroscopic branch in each segment; blades linear, usually pinnatifid or pinnatisect; lack of a marginal black border around blade; one sorus per segment; and hydathodes present. It probably warrants generic status under the name Micropolypodium Hayata, a primarily neotropical genus with representatives in eastern Asia (Malaysia, China, Sikkim, Taiwan, and Japan).
Species ca. 300 or more (1 in the flora).