Ptychomitrium serratum
Bryol. Europ. 3: 82. 1837,.
Synonyms: Brachysteleum serratum (Bruch & Schimper) Müller Hal.
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
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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"
revoluble +
specialized +
absent +
asexual +
branched +
several +
brown +
curved +
erect +
exserted +
smooth;slightly or prominently wrinkled +
cylindric +
absent +
strong +
single +
longitudinal +
1-seriate +
rare +
asexual +
erect +
broadly acute;acuminate +
serrate +
not cucullate +
thickened +
isodiametric +
specialized +
rostrate +
axillary +
gemmiform +
single +
papillose +
divided +
Bryol. Europ. +
reddish-brown +
inconspicuous +
filiform +
straight +
spheric +
naked +
simple +
repent +
erect +
forked +
scarce +
proximal +
Ptychomitrium serratum +
Ptychomitrium +
species +
divided +
slender +
dark green +
robust +
glossy +
medium-sized +