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

Distribution

V28 895-distribution-map.gif

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

Discussion

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

None.

Lower Taxa

None.
... more about "Sematophyllum adnatum"
acuminate +
Wilfred B. Schofield† +
(Michaux) E. Britton +
unbranched +  and branched +
Leskea adnata +
cucullate +
short-cylindric +
1 cm10 mm <br />0.01 m <br /> (?) +
specialized +
autoicous +, dioicous +, synoicous +  and sexual +
quadrate +  and short-rectangular +
enlarged +
differentiated +
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 +
papillose +  and smooth +
autoicous +  and sexual +
falcate-secund +
erect +  and erect-spreading +
tapering;oblong-lanceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
small;large +
Capsules mature fall. +
2 +  and 1 +
light-brown +, red +  and reddish-brown +
elongate +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
falcate-secund +
widespreading +  and erect-spreading +
tapering;lanceolate;broadly ovate +
branched +  and not complanate-foliate +
redbrown +  and reddish green +
arching +, erect +, sometimes +  and reclining +
2 cm20 mm <br />0.02 m <br /> (?) +  and 3 cm30 mm <br />0.03 m <br /> (?) +
Sematophyllum adnatum +
Sematophyllum +
species +
green;golden yellow +