Papillaria nigrescens (Sw. ex Hedw.) A.Jaeger
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Authority
Britton, Nathaniel L. & Millspaugh, Charles F. 1920. The Bahama Flora.
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Family
Meteoriaceae
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Scientific Name
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Description
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Species Description - Plants in dark brown mats. Young branches green; stems often 15-20 cm. long, branching pinnately; branches short and irregular, usually simple, and only 1-2 cm. long, but sometimes 4-5 cm. ending in clusters of slender brittle branchlets, which propagate this species. Leaves crowded, erect appressed when dry, spreading when moist, small, up to 1.5 mm. long by 1 mm., broad at the auricled base; vein ending in the middle of the leaf; apex acuminate; margins entire, with projecting papillae; cells spindle-shaped with thick walls and 3-4 small papillae; basal colls longer and narrower, smooth and radiating toward the margins. Dioicous. [Perichaetial leaves pale, erect, lanceolate-subulate, plicate but not papillose; seta exserted up to 1 cm. long; capsule ovoid, about 2 mm. long; calyptra pale and hairy; lid beaked; mouth small with a dark rim; peristome pale, papillose; teeth lanceolate with a median line, inner membrane short with pale slender segments, more or less adherent to the teeth; spores brown, mature in summer.] Only known from sterile specimens in the Bahamas.
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Distribution
On twigs and trunks of trees in coppice, New Providence : Florida ; Louisiana ; West Indies and southern California to Panama and South America. Blackish Papillaria.
New Providence Bahamas South America| Florida United States of America North America| Louisiana United States of America North America| West Indies| California United States of America North America| Panama Central America| South America|