from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A taxonomic order within the class Marchantiopsida — the chambered liverworts.
from the GNU version of the Collaborative International Dictionary of English
- proper n. An oder of liverworts with gametophyte differentiated internally.
from The Century Dictionary and Cyclopedia
- An order of cryptogamic plants of the class Hepaticæ, characterized by athalloid, dorsiventral proembryonal generation, the antheridia and archegonia borne in groups on the surface of the thallus or on stalked receptacles, the sporogonia consisting of a spherical capsule with or without a short stalk.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. liverworts with gametophyte differentiated internally
Marchantia + -ales (Wiktionary)