Tomentypnum falcifolium

(Renauld ex Nichols) Tuomikoski

Ann. Bot. Fenn. 4: 435. 1967.

Illustrated
Basionym: Camptothecium nitens var. falcifolium Renauld ex Nichols Rhodora 15: 12. 1913
Synonyms: Homalothecium nitens var. falcifolium (Renauld ex Nichols) Wijk & Margadant Tomentypnum nitens var. falcifolium (Renauld ex Nichols) Podp ě ra
Treatment appears in FNA Volume 28. Treatment on page 311.

Stems with rhizoids restricted to stem leaf proximal costa surface. Leaves falcate-secund, often twisted distally, gradually narrowed to apex, widest just beyond base, slightly narrowed to insertion; apex slender-acuminate. Seta reddish, darker proximally, lighter distally, 2.5–4.5 cm, slightly twisted when dry, straight to somewhat flexuose. Calyptra naked.


Phenology: Capsules mature early-mid summer.
Habitat: Acidic, oligotrophic environments, with Sphagnum species on hummocks and turfs
Elevation: low to high elevations

Distribution

V28 485-distribution-map.gif

Greenland, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., Que., Sask., Conn., Maine, Mich., Minn., N.Y., Asia (China, Siberia).

Discussion

The shape of the leaf base in Tomentypnum falcifolium is best observed while the leaves remain attached to the stem. The species is widespread but more sporadic than T. nitens, occurring across the boreal and subarctic areas of Canada, extending south into the northeastern United States.

Lower Taxa

None.
... more about "Tomentypnum falcifolium"
Jean Faubert +
(Renauld ex Nichols) Tuomikoski +
Camptothecium nitens var. falcifolium +
Greenland +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Nunavut +, Ont. +, Que. +, Sask. +, Conn. +, Maine +, Mich. +, Minn. +, N.Y. +, Asia (China +  and Siberia). +
low to high elevations +
Acidic, oligotrophic environments, with Sphagnum species on hummocks and turfs +
Capsules mature early-mid summer. +
Ann. Bot. Fenn. +
vitt1975a +
Illustrated +
Homalothecium nitens var. falcifolium +  and Tomentypnum nitens var. falcifolium +
Tomentypnum falcifolium +
Tomentypnum +
species +