Plants small to medium-sized, green to yellow-green, glossy. Stems 0.5–2.5 cm, branches sometimes ascending. Leaves straight or occasionally homomallous, oblong-ovate, tapering gradually to apex, 1–1.2 mm; margins reflexed proximally; apex acute; alar cells enlarged, inflated, yellow, in 1 row, supra-alar cells few, quadrate to short; laminal cells rhombic to flexuose. Specialized asexual reproduction absent. Seta 0.8–1.2 cm. Capsule inclined to horizontal, 1 mm.

Phenology: Capsules mature summer.
Habitat: Wet siliceous rock near streams
Elevation: low to moderate elevations

Distribution

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N.S., Ala., Ark., Conn., Fla., Ga., Iowa, Kans., La., Mich., Mo., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn.

Discussion

Sematophyllum demissum resembles Hageniella micans in many respects, but H. micans is distinguished by its strong double costa and toothed acumen. Also, exothecial cells of Sematophyllum are collenchymatous; those of Hageniella are not.

Selected References

None.

Lower Taxa

None.