Abietinella

Müller Hal.

Nuovo Giorn. Bot. Ital., n. s. 3: 115. 1896.

Etymology: Latin abietis, of conifer genus Abies, and - ella, diminutive, alluding to habit aspect
Synonyms: Thuidium sect. Abietina Schimper Thuidium subg. Abietinella (Müller Hal.) Brotherus
Treatment appears in FNA Volume 28. Treatment on page 374. Mentioned on page 373, 375, 380, 648.
 TaxonIllustrator 
ThuiAbietinellaAbietina.jpegAbietinella abietinaPatricia M. Eckel

Plants large. Stems erect-ascending, 1-pinnate; paraphyllia filamentous to narrowly foliose, simple or branched; axillary hairs 2-celled, cells brown. Stem-leaves ovate; margins recurved at least proximally, crenulate-papillose; costa 3/4 leaf length; laminal cells rhombic to oblong-hexagonal, 1-papillose on both surfaces. Branch leaves ovate; margins plane, crenulate-papillose; apex acute to broadly acuminate; costa 3/4 leaf length, not covered with cells apically; laminal cells roundedquadrate to short-rectangular, 1-papillose on both surfaces. Sexual condition dioicous; perichaetial leaves oblong-lanceolate, margins strongly serrate distally, costa subpercurrent, laminal cells porose. Seta smooth. Capsule inclined, cylindric, arcuate; annulus 2-seriate or 3-seriate; operculum obliquely short-rostrate; endostome segments narrowly perforate, cilia 1 or 2.

Distribution

North America, Europe, Asia

Discussion

Species 3 (1 in the flora).

Abietinella is a genus easy to recognize in the flora area; the plants are characterized by relatively robust, stiff, more or less erect, 1-pinnate, paraphylliate stems, often golden brown, growing most often on fairly dry, mostly calcareous sands.

Selected References

None.

... more about "Abietinella"
3-seriate +  and 2-seriate +
differentiated +
acute +  and broadly acuminate +
William R. Buck +
Müller Hal. +
roughened +  and smooth +
cucullate +
cylindric +
papillose +
differentiated +
2 (?) +  and 1 (?) +
nodulose +
subpercurrent +
North America +, Europe +  and Asia +
Latin abietis, of conifer genus Abies, and - ella, diminutive, alluding to habit aspect +
shouldered +  and bordered +
dioicous +  and sexual +
crenulate-papillose +
short-rostrate +
branched +, simple +  and foliose +
oblong-lanceolate +
Nuovo Giorn. Bot. Ital., n. s. +
smooth;roughened +
elongate +
spheric +
not stipitate +
erect-ascending +
differentiated +
Thuidium sect. Abietina +  and Thuidium subg. Abietinella +
Abietinella +
Thuidiaceae +
specialized +
dioicous +, autoicous +, sexual +  and asexual +
dark green;golden brown +