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.
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 rounded-quadrate 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- 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.

References

None.

Lower Taxa