Sematophyllum
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Authority
Buck, William R. 2003. Guide to the plants of central french Guiana. Part 3. Mosses. Mem. New York Bot. Gard. 76: 1-167.
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Family
Sematophyllaceae
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Scientific Name
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Description
Genus Description - Plants small to robust, in mostly lustrous, ± yellowish green, often dense, extensive mats; stems creeping, sparsely to freely but irregularly branched, the branches prostrate to erect, densely foliate, often curved. Stem and branch leaves similar, erect-spreading to homomallous to falcate-secund, lanceolate to ovate, acute to acuminate, rarely obtuse, usually concave; margins entire to serrulate above, subentire below, often reflexed; costa short and double or absent; cells rhomboidal to linear, sometimes flexuose, smooth or rarely unipapillose, often thick-walled, mostly not or only weakly porose, often becoming shorter in the apex if acute; alar cells enlarged and inflated, often in 2 rows in basal angles’ usually yellow, the lower ones mostly oblong, the upper ones usually quadrate. Asexual propagula rare. Mostly autoicous. Setae elongate! smooth, usually reddish; capsules mostly pendent, rarely erect to suberect, small, usually ± asymmetric, ovoid to short-cylindric, rarely with a roughened neck; peristome double, exostome teeth on the front surface with a zig-zag median line, cross-striolate below, coarsely papillose above; endostome with a high basal membrane, segments usually papillose, mostly broad, keeled, often perforate, almost as long as the teeth, cilia in groups of 0-2. Calyptrae cucullate, naked, usually smooth.