Taxithelium planum

(Bridel) Mitten

J. Linn. Soc., Bot. 12: 496. 1869.

Illustrated
Basionym: Hypnum planum Bridel Muscol. Recent., suppl. 2: 97. 1812
Treatment appears in FNA Volume 28. Treatment on page 582.
Revision as of 06:54, 30 July 2020 by imported>Volume Importer
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Plants in thin to dense mats. Stems with branches 0.2–2 cm. Leaves sometimes with lateral leaves spreading and dorsal and ventral leaves appressed, contracted, smaller; supra-alar cells few-to-many, subquadrate, in 1 or 2 rows, often 1 row extending up margin. Specialized asexual reproduction rare, by filamentous gemmae. Perigonia and perichaetia on stems or base of branches. Capsule with exostome teeth 16, subulate, striolate; endostome basal membrane medium to high, segments equal to and alternating with exostome teeth, cilia 1–3, appendiculate. Calyptra smooth. Spores spheric, 12–22 µm, smooth to finely papillose.


Phenology: Capsules mature late summer.
Habitat: Tree bark, exposed roots, rotten logs
Elevation: low elevations

Distribution

V28 913-distribution-map.gif

Fla., Mexico, West Indies, Central America, South America, Asia, Africa, Australia

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Taxithelium planum"
short-acuminate +
Wilfred B. Schofield† +
(Bridel) Mitten +
Hypnum planum +
0.2 cm2 mm <br />0.002 m <br /> (2 cm20 mm <br />0.02 m <br />) +
cucullate +
inclined +  and horizontal +
striolate +
specialized +
1 +, few +  and many +
autoicous +, dioicous +, synoicous +  and sexual +
subquadrate +
enlarged +
differentiated +
appendiculate +
1 (?) +  and 3 (?) +
Fla. +, Mexico +, West Indies +, Central America +, South America +, Asia +, Africa +  and Australia +
low elevations +
filamentous +
Tree bark, exposed roots, rotten logs +
papillose +  and smooth +
autoicous +  and sexual +
spreading +  and appressed +
ovate;ovatelanceolate +
entire or +  and weakly sharply toothed +
small;large +
long-rostrate +  and conic +
Capsules mature late summer. +
J. Linn. Soc., Bot. +
specialized +
light-brown +, red +  and reddish-brown +
elongate +
1.5 cm15 mm <br />0.015 m <br /> (?) +
Illustrated +
spheric +
falcate-secund +
widespreading +  and erect-spreading +
tapering;lanceolate;broadly ovate +
complanate-foliate +
redbrown +  and reddish green +
arching +, erect +, sometimes +  and reclining +
1 cm10 mm <br />0.01 m <br /> (?) +  and 10 cm100 mm <br />0.1 m <br /> (?) +
Taxithelium planum +
Taxithelium +
species +