Trichostomum tenuirostre

(Hooker & Taylor) Lindberg

Öfvers. Kongl. Vetensk.-Akad. Förh. 21: 225. 1864,.

Basionym: Weissia tenuirostris Hooker & Taylor Muscol. Brit. ed. 2, 83. 1827
Synonyms: Oxystegus tenuirostris (Hooker & Taylor) A. Smith
Treatment appears in FNA Volume 27. Treatment on page 490. Mentioned on page 489, 491, 492, 496, 505, 511, 516, 552, 553, 556.

Stem rounded-pentagonal in section. Leaves flattened, lanceolate, distal margins plane, entire or weakly toothed, not bordered; apex acute, plane or keeled; basal-cells differentiated across leaf base as a U or V, commonly running up margins, not distinctly enlarged submarginally; distal laminal cells pluripapillose with low papillae; mucro conic, of 3–6 cells. Sexual condition dioicous. Peristome teeth bluntly lanceolate.

Distribution

V27 709-distribution-map.gif

Widely distributed in temperate and high-elevation tropical areas of the world, ranging into the Arctic

Discussion

Varieties 2 (2 in the flora).

1. Gemmae absent

3a. Trichostomum tenuirostre var. tenuirostre

1. Multicellular gemmae on rhizoids from adaxial surface of the costa or in soil

3b. Trichostomum tenuirostre var. gemmiparum

Selected References

None.

Key

1 Gemmae absent. Trichostomum tenuirostre var. tenuirostre
1 Multicellular gemmae on rhizoids from adaxial surface of the costa or in soil Trichostomum tenuirostre var. gemmiparum
... more about "Trichostomum tenuirostre"
elongate +  and quadrate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
channeled +  and flat +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
of 1-2 rows +  and differentiated +
long-excurrent +  and short-excurrent +
keeled +, plane +  and acute +
Richard H. Zander +
(Hooker & Taylor) Lindberg +
all +  and walled +
crescentlike +
rectangular +
papillose +  and smooth +
usually slightly wider +
differentiated;elliptic;rectangular +
Weissia tenuirostris +
obovoid +
papillose +
cucullate +
cleistocarpous +  and stegocarpous +
monoicous +, dioicous +  and sexual +
flat to bulging +
3 +  and 6 +
elongate-rhomboid +  and elongate +
thicker +
tomentose +  and bare +
ovate +, reniform +  and semicircular +
roundedquadrate +
incurved +  and erect +
toothed +, entire +  and plane +
Widely distributed in temperate and high-elevation tropical areas of the world +  and ranging into the Arctic +
differentiated +
multicellular +
yellow +  and orange-red or red +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
concave;keeled;channeled;ovoid;lanceolate or lingulate +
reflexed +  and incurved +
lanceolate +  and flattened +
reduced +
dentate +  and entire +
6um;12um +
dioicous +  and sexual +
long-conic;rostrate +
photosynthetic +
compound +, simple +, hollow +  and solid +
2 +  and 6 +
lateral +  and terminal +
lateral +  and terminal +
twisted +, perforate +  and ligulate +
red +, orange +  and yellow +
Öfvers. Kongl. Vetensk.-Akad. Förh. +
straight +
elongate +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
2 +  and 1 +
yellow +, orange +  and yellowish orange +
4 cm40 mm <br />0.04 m <br /> (10 cm100 mm <br />0.1 m <br />) +
rounded-pentagonal +
0 cm0 mm <br />0 m <br /> (3 cm30 mm <br />0.03 m <br />) +
autoicous +, dioicous +, sexual +  and asexual +
Oxystegus tenuirostris +
Trichostomum tenuirostre +
Trichostomum +
species +
elliptic;ovate;cylindric +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
orange +  and yellow +
stemless +  and perigoniate +
brown;light-brown +
occasionally smaller than the perichaetiate +