Hypopterygiaceae Mitt.
  • J. Proc. Linn. Soc., Bot., Suppl. 2: 147. 1859.

This taxon is accepted by World Flora Online consortium
Notes: More details could be found in The Plant List v.1.1. Originally in The Plant List v.1.0

General Description

Plants medium-sized to large, in mats. Stems brownish, primary stem stoloniform, creeping, secondary stems dendroid, much-branched, branches complanate-foliate, dorsiventral; hyalodermis and sclerodermis not differentiated, central strand strong. Leaves dimorphic; dorsal or lateral leaves larger, in 2 rows, somewhat asymmetric, ventral leaves smaller, symmetric; leaves ovate to very short-acuminate [oblong or lingulate]; margins entire to dentate [serrulate], not ciliate [occasionally ciliate]; costa single, subpercurrent; laminal cells smooth [1-papillose]. Sexual condition autoicous [dioicous or heteroicous]. Seta elongate [short], straight or curved, smooth or weakly papillose distally. Capsule horizontal [usually inclined], cylindric [subglobose, ovoid]; operculum rostrate; peristome teeth 16, double [exostome occasionally absent]; exostome cross striolate, furrowed medially or with zigzag line, trabeculae well developed; endostome cilia well developed or absent. Calyptra cucullate or conic-cucullate [mitrate].


SELECTED REFERENCE Kruijer, J. D. 2002. Hypopterygiaceae of the world. Blumea, Suppl. 13: 1-388.

 Information From

Flora of North America @ efloras.org
'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [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).