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Anacamptodon Bridel, Musc. Recent. Suppl. 4: 136. 1819 [1818].

Greek anacamptos, reflexed, and odus, tooth, referring to the reflexed exostome teeth

Piers Majestyk

Plants small to medium sized, in dull to shiny, yellow to green mats; stems creeping, somewhat radiculose, freely branched; branches ± ascending; leaves of stem and branches similar, erect to slightly spreading when dry, spreading to subsecund when moist, ovate to oblong-lanceolate, margins erect and entire to ± crenulate distally, costa single, ending at or beyond midleaf, cells smooth, ± rectangular and bulging at base, middle and distal cells short-rhomboid to linear. Sexual condition autoicous; perigonial leaves ovate, shortly acute, ecostate; perichaetial leaves oblong-lanceolate, long-acuminate, serrulate distally; costa faint, 1/2--3/4 the leaf length; cells elongate. Seta elongate, straight, smooth, yellow, brown or red. Capsules oblong-cylindric with an apophysis; strongly constricted below the mouth when dry; exostome teeth triangular-lanceolate, attenuate, thin, the teeth 16, paired, strongly recurved when dry, minutely papillose on both surfaces throughout; endostome segments 8 or 16, not arising from a basal membrane, filiform, elongate, 1/3--3/4 length of exostome. Operculum conic, obliquely rostrate. Calyptra cucullate, smooth, naked. Spores spherical, finely papillose.

Species ca. 12 (1 in the flora); temperate and tropical areas, North America, South America, Europe, Africa, Asia, Australia.


Crum, H. A. 1958. Anacamptodon in North America. Bryologist 61: 136--140. Crum, H. A. and L. E. Anderson. 1981. Mosses of Eastern North America. 2 vols. New York.

Lower Taxon

Related Synonym(s):


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Flora of North America  
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