Groutiella tumidula

(Mitten) Vitt

Bryologist 82: 9. 1979.

Illustrated
Basionym: Macromitrium tumidulum Mitten J. Linn. Soc., Bot. 12: 201. 1869
Treatment appears in FNA Volume 28. Treatment on page 42.

Plants reddish-brown. Branch leaves with distal leaves widest mid leaf or distally, oblong to oblong-lingulate, 1–1.8 mm; margins entire; apex rounded-obtuse, mucronate, not fragile; costa prominent, ending just below or in mucro; distal laminal cells rounded-hexagonal, 6–9 µm. Sexual condition pseudautoicous, dwarf male plants on leaves and tomentum. Seta 3–5 mm. Capsule oblong to oblong-ovate, 1–1.5 mm. Spores anisosporous, 15–22 µm.


Habitat: Rock, trees, horizontal branches 1-3 m high
Elevation: low elevations

Distribution

V28 50-distribution-map.gif

Fla., Mexico, West Indies, Central America, South America

Discussion

Groutiella tumidula is distinguished by non-rugose leaves with a length-width ratio of less than 5:1, and by erect branches less than 5 mm high. The apex of the leaf is mucronate and never strongly apiculate, and the leaves are broadly longitudinally plicate when moist.

Selected References

None.

Lower Taxa

None.
... more about "Groutiella tumidula"
awned +  and apiculate +
not fragile +
Dale H. Vitt +
(Mitten) Vitt +
not decurrent +
Macromitrium tumidulum +
divided +, lacerate +, conic +  and mitrate +
plicate +  and smooth +
16-ribbed +, 8-ribbed +  and symmetric +
0 +  and 1/2 +
oblong;oblong-ovate +
not constricted +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
differentiated +
excurrent +  and percurrent +
irregularly rounded;elliptic-hexagonal +
pseudautoicous +  and sexual +
Fla. +, Mexico +, West Indies +, Central America +  and South America +
low elevations +
linear-lanceolate +
reflexed +, recurved +  and erect +
striate +  and papillose +
rectangular;elliptic +
connate +
occasional +
Rock, trees, horizontal branches 1-3 m high +
flexuose +
lanceolate +  and lingulate +
denticulate +  and entire +
pseudautoicous +, dioicous +  and sexual +
tomentose +
rostrate;convex;conic +
mammillose +  and smooth +
2-fid +  and conic +
sometimes larger +
lateral +  and terminal +
sinistrorse +, dextrorse +  and erect +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Illustrated +
erect-ascending +
superficial +
Groutiella tumidula +
Groutiella +
species +
specialized +
cladautoicous +, pseudautoicous +, dioicous +  and sexual +
incrassate +
oblong;oblong-lingulate +
0.1 cm1 mm <br />0.001 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +