Difference between revisions of "Grammitis nimbata"
Bull. Inst. Jamaica, Sci. Ser. 5: 34. 1953.
Illustrated
Basionym: Polypodium nimbatum Jenman J. Bot. 24: 271. 1886
Synonyms: Xiphopteris nimbata (Jenman) Copeland
Treatment appears in FNA Volume 2.
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|name=Polypodium nimbatum | |name=Polypodium nimbatum | ||
|authority=Jenman | |authority=Jenman | ||
| + | |rank=species | ||
| + | |publication_title=J. Bot. | ||
| + | |publication_place=24: 271. 1886 | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Xiphopteris nimbata | |name=Xiphopteris nimbata | ||
|authority=(Jenman) Copeland | |authority=(Jenman) Copeland | ||
| + | |rank=species | ||
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|hierarchy=Grammitidaceae;Grammitis;Grammitis nimbata | |hierarchy=Grammitidaceae;Grammitis;Grammitis nimbata | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>erect, apices bearing scales; scales lustrous yellow to brownish, concolored, 0.5–1 mm, margins stiffly ciliate. <b>Leaves</b> densely fasciculate, 3–7 cm. <b>Petiole</b> 2–7 × 0.5 mm, densely hairy; hairs dark reddish or brownish, 0.8–1 mm. <b>Blade</b> linear, pinnatifid ca. 2/3 to rachis, narrowed and short-decurrent proximally, 3–5 mm wide; rachises and blade tissue on both sides with crowded, spreading setae like those of petiole or longer. <b>Segments</b> mostly in 20–30 pairs, oblique-spreading, oblong, 0.8–1.2 mm wide with entire margins. <b>Veins</b> concealed abaxially, unbranched, or fertile segments sometimes with single acroscopic branch, veins ending in hydathodes on adaxial surface. <b>Sori</b> round, 1 per segment, arising near base of acroscopic veinlet; sporangia glabrous.</span><!-- |
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|elevation=ca. 500–1000 m | |elevation=ca. 500–1000 m | ||
|distribution=N.C.;West Indies in Cuba;Jamaica;Hispaniola. | |distribution=N.C.;West Indies in Cuba;Jamaica;Hispaniola. | ||
| − | |discussion=<p>Grammitis nimbata was discovered in the United States in Macon County, North Carolina, at a single locality, in 1966 (D. R. Farrar 1967) and has persisted to the present (D. R. Farrar, in litt. 1989). Primarily, the colony is gametophytic and reproduces by microscopic gemmae borne on the elongate-cordate thallus, but sterile sporophytes have been found in favorable years. The species description and illustration are based on mature spore-bearing plants from the Greater Antilles. The largest plants found from North Carolina are less than 3 cm.</p> | + | |discussion=<p><i>Grammitis nimbata</i> was discovered in the United States in Macon County, North Carolina, at a single locality, in 1966 (D. R. Farrar 1967) and has persisted to the present (D. R. Farrar, in litt. 1989). Primarily, the colony is gametophytic and reproduces by microscopic gemmae borne on the elongate-cordate thallus, but sterile sporophytes have been found in favorable years. The species description and illustration are based on mature spore-bearing plants from the Greater Antilles. The largest plants found from North Carolina are less than 3 cm.</p> |
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name=Grammitis nimbata | name=Grammitis nimbata | ||
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|authority=(Jenman) Proctor | |authority=(Jenman) Proctor | ||
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|publication title=Bull. Inst. Jamaica, Sci. Ser. | |publication title=Bull. Inst. Jamaica, Sci. Ser. | ||
|publication year=1953 | |publication year=1953 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_711.xml |
|genus=Grammitis | |genus=Grammitis | ||
|species=Grammitis nimbata | |species=Grammitis nimbata | ||
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Latest revision as of 21:24, 5 November 2020
Stems erect, apices bearing scales; scales lustrous yellow to brownish, concolored, 0.5–1 mm, margins stiffly ciliate. Leaves densely fasciculate, 3–7 cm. Petiole 2–7 × 0.5 mm, densely hairy; hairs dark reddish or brownish, 0.8–1 mm. Blade linear, pinnatifid ca. 2/3 to rachis, narrowed and short-decurrent proximally, 3–5 mm wide; rachises and blade tissue on both sides with crowded, spreading setae like those of petiole or longer. Segments mostly in 20–30 pairs, oblique-spreading, oblong, 0.8–1.2 mm wide with entire margins. Veins concealed abaxially, unbranched, or fertile segments sometimes with single acroscopic branch, veins ending in hydathodes on adaxial surface. Sori round, 1 per segment, arising near base of acroscopic veinlet; sporangia glabrous.
Habitat: On moist cliffs behind falls
Elevation: ca. 500–1000 m
Distribution
N.C., West Indies in Cuba, Jamaica, Hispaniola.
Discussion
Grammitis nimbata was discovered in the United States in Macon County, North Carolina, at a single locality, in 1966 (D. R. Farrar 1967) and has persisted to the present (D. R. Farrar, in litt. 1989). Primarily, the colony is gametophytic and reproduces by microscopic gemmae borne on the elongate-cordate thallus, but sterile sporophytes have been found in favorable years. The species description and illustration are based on mature spore-bearing plants from the Greater Antilles. The largest plants found from North Carolina are less than 3 cm.
Selected References
None.
Lower Taxa
None.