Difference between revisions of "Thelypteris hispidula var. versicolor"
Amer. Fern J. 71: 94. 1981.
imported>Volume Importer |
imported>Volume Importer |
||
Line 62: | Line 62: | ||
|publication year=1981 | |publication year=1981 | ||
|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_824.xml |
|genus=Thelypteris | |genus=Thelypteris | ||
|subgenus=Thelypteris subg. Cyclosorus | |subgenus=Thelypteris subg. Cyclosorus |
Latest revision as of 21:25, 5 November 2020
Stems short-creeping to ascending at apex, 3–5 mm diam. Leaves monomorphic, evergreen, closely placed, (20–)40–95 cm. Petiole straw-colored, (5–)10–40 cm × 1.5–3 mm, at base with brown, lanceolate, hairy scales. Blade 14–55 cm, proximal 0–2(–4) pairs of pinnae slightly to greatly reduced (lowest pinnae to 1/3 length of longest), blade gradually tapered to pinnatifid apex. Pinnae 4–14 × 0.8–2 cm, incised 3/4–4/5 of width; segments spreading or somewhat oblique, rounded at tip, basal acroscopic segment of proximal pinnae sometimes auriculate and crenate; proximal pair of veins from adjacent segments united just below sinus or approaching each other and turning abruptly toward sinus, or connivent at sinus, excurrent vein, if any, 1 mm or less. Indument on both surfaces of densely set hairs 0.2–0.8 mm on costae, veins, and often blade tissue, also often of yellowish, stalked glands 0.1 mm. Sori round, medial to supramedial; indusia hairy; sporangial stalks with inconspicuous stalked, pear-shaped glands. 2n = 72.
Habitat: Woodlands and limestone sinks, especially in seepage areas and along streams
Elevation: 0–100 m
Distribution
Ala., Fla., Ga., La., Miss., S.C., Tex., West Indies in Cuba.
Discussion
Selected References
None.