Ptychomitrium serratum

Bruch & Schimper

Bryol. Europ. 3: 82. 1837,.

Synonyms: Brachysteleum serratum (Bruch & Schimper) Müller Hal.
Treatment appears in FNA Volume 27. Treatment on page 308. Mentioned on page 307.

Plants medium-sized, tufted or cespitose, glossy, dark green. Stems erect or repent, to 1.5 cm. Leaves crispate when dry, broadly acute to acuminate, 3–4 mm; margins coarsely serrate distally, erect or irregularly recurved proximally; apex plane or with erect margins but not cucullate. Specialized asexual reproduction absent. Seta 1 (–4) per perichaetium, 3–4 mm. Capsule cylindric, 2–2.4 mm, smooth to slightly or prominently wrinkled or ribbed when dry; peristome teeth divided into filiform segments, densely papillose. Calyptra lobes less than 1/2 length of calyptra.


Phenology: Capsules mature Mar–Apr, Dec.
Habitat: Calcareous rock and concrete in forests
Elevation: low to high elevations (0-2200 m)

Distribution

V27 421-distribution-map.gif

La., S.C., Tex., Mexico, West Indies (Dominican Republic)

Discussion

Selected References

None.

Lower Taxa

None.

"broad" is not a number.

... more about "Ptychomitrium serratum"
specialized +
William D. Reese† +
Bruch & Schimper +
plicate +, smooth +  and naked +
lobed +  and mitrate +
smooth;slightly or prominently wrinkled +
cylindric +
0.2 cm2 mm <br />0.002 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
La. +, S.C. +, Tex. +, Mexico +  and West Indies (Dominican Republic) +
low to high elevations (0-2200 m) +
branched +, 1-seriate +  and axillary +
Calcareous rock and concrete in forests +
broadly acute;acuminate +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
erect +  and recurved +
not cucullate +
2-stratose +  and 1-stratose +
papillose +  and smooth +
autoicous +  and sexual +
Capsules mature Mar–Apr, Dec. +
Bryol. Europ. +
reddish-brown +
inconspicuous +
straight +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
spheric +
0 cm0 mm <br />0 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Brachysteleum serratum +
Ptychomitrium serratum +
Ptychomitrium +
species +
papillose +  and smooth +
divided +
slender +
plant +  and cespitose +