Marsileaceae Mirb.
Details
Marsileaceae Mirb. in Lamarck & Mirbel, Hist. Nat. Vég. 5, 126 (1802)
Marsileaceae Mirb.
Nomenclature
Mirb.
Mirb.
1802
126
ICN
Marsileaceae Mirb.
family
Marsileaceae
Classification
Subordinates
Descriptions
Marsileaceae Mirb.
Sporocarps one or more at or near base of stipes, hairy, firm, about globose, containing the sori, rupturing by 1 or 4 slits. Sori 4 or more, bearing sporangia on a receptacle; megasporangia below, the large megaspore imbedded in a thick layer of mucilage; microsporangia above, with numerous minute microspores. Spores tetrahedral. Rhizome far-creeping, branching, solenostelic; fronds linear, or 2-4-foliate, in 2 rows. Subaquatic to aquatic ferns of 3 genera.
Marsileaceae Mirb.
Mostly aquatic ferns with creeping, branching rhizomes. Lvs arising at nodes, linear or with 2-4 ± obtriangular segments terminating a long stalk. Sporangia aggregated into sori, each containing both micro- and megasporangia, protected by indusia, and all enclosed in a hard sporocarp (modified lamina); annulus 0. Heterosporus, producing 1 megaspore per megasporangium and many microspores per microsporangium; spores lacking chlorophyll.
Taxonomic concepts
Marsileaceae Mirb.
Marsileaceae Mirb.
Marsileaceae Mirb.
Marsileaceae Mirb.
Marsileaceae Mirb.
Marsileaceae Mirb.
Marsileaceae Mirb.
Marsileaceae
Marsileaceae Mirb.
Metadata
a91d248d-6dc0-4b63-bf34-a11095693041
scientific name
Names_Plants
1 January 2000
1 October 2013