Aulacomniaceae Schimp.
  • Syn. Musc. Eur. CXXXIX, 411. 1860.

Cite taxon page as 'WFO (2021): Aulacomniaceae Schimp. Published on the Internet; Accessed on: 25 Jun 2021'

General Information

Plants small to large; subgametangial branching common. Stems yellow-green, brown, or reddish brown; cross section irregularly pentagonal, hyalodermis interrupted or absent, cortical cells in 2-6 layers, small, walls thick, medulla thick, cells large, walls usually thick, central strand prominent; rhizoids smooth or roughened; axillary hairs usually of 5 cells, basal cells 1 or 2, short, walls brown, apical cell elongate, hyaline. Leaves radially arranged or somewhat complanate, lanceolate, linear-lanceolate, oblong-lanceolate, oblong-elliptic, or oblong-ovate; costal abaxial surface shiny, stereid bands 2, guide cells in 1 row or sometimes 2 at base, abaxial and adaxial costal epidermis well developed or not; laminal cell walls collenchymatous or not. Specialized asexual reproduction common, by propagula terminal on leafless stem apices. Sexual condition dioicous or autoicous; perigonia as terminal discoid splash platforms, or budlike and in series down stems of male plants, sometimes below terminal perichaetia, outer and inner leaves dimorphic; perichaetia terminal; paraphyses present or absent, isomorphic or weakly differentiated between female and male plants. Seta usually single, erect or slightly inclined, twisted, smooth. Capsule inclined or horizontal, furrowed; exothecial cells differentially thickened in longitudinal bands; stomata restricted to inconspicuous hypophysis, phaneropore; annulus 2-seriate, revoluble; operculum rostrate, rostrum short or long, usually blunt; peristome diplolepidous, alternate; exostome papillose; endostome well developed, cilia 2-4, often nodose or nodulose. Calyptra cucullate. Spores 8-20 µm, smooth or papillose.

  • Provided by: [A].Flora of North America @
    • Source: [
    • 1
    • ]. 

     Information From

    Flora of North America @
    'Flora of North America @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • A Flora of North America Association
    World Flora Online Data. 2017.
    • B CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).