Sematophyllum adnatum

(Michaux) E. Britton

Bryologist 5: 65. 1902.

Basionym: Leskea adnata Michaux Fl. Bor.-Amer. 2: 310. 1803
Treatment appears in FNA Volume 28. Treatment on page 574. Mentioned on page 577.

Plants small, green to golden yellow, glossy. Stems 2–3 cm, branches ascending. Leaves erect to erect-spreading, sometimes homomallous, oblong-lanceolate, tapering gradually to apex, 1–1.5 mm; margins reflexed; apex gradually acuminate; alar cells enlarged, inflated, yellow, in 1 row, supra-alar cells several in 2 rows, quadrate to short-rectangular; laminal cells long-rhomboidal. Specialized asexual reproduction rare, by axillary propagula, 1-seriate, rough, branched or unbranched. Seta 0.4–0.8 cm. Capsule erect, 1 mm.

Phenology: Capsules mature fall.
Habitat: Logs, bark of tree bases, rock, swamps
Elevation: low to moderate elevations


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Ala., Calif., Ga., La., N.Y., N.C., Ohio, Pa., S.C., Tenn., Va., W.Va., Mexico, Central America, South America.


Sematophyllum adnatum resembles Pylaisia (Hypnaceae) in habit, but is distinguished by its strongly differentiated, elongate (not isodiametric) alar cells. The species is introduced in California.

Selected References


Lower Taxa

... more about "Sematophyllum adnatum"
Wilfred B. Schofield† +
(Michaux) E. Britton +
Leskea adnata +
Ala. +, Calif. +, Ga. +, La. +, N.Y. +, N.C. +, Ohio +, Pa. +, S.C. +, Tenn. +, Va. +, W.Va. +, Mexico +, Central America +  and South America. +
low to moderate elevations +
Logs, bark of tree bases, rock, swamps +
Capsules mature fall. +
Sematophyllum adnatum +
Sematophyllum +
species +