Osmundaceae Martinov
Details
Osmundaceae Martinov, Tekhno-Bot. Slovar 445 (1820)
Osmundaceae Martinov
Nomenclature
Martinov
Martinov
1820
445
ICN
Osmundaceae Martinov
family
Osmundaceae
Classification
Subordinates
Descriptions
Osmundaceae Martinov
Sporangia not arranged in distinct sori, maturing together; annulus represented by a subapical group of thickened cells. Stock erect, without paleae. Lamina of frond bipinnate to pinnately compound; veins free.
Osmundaceae Martinov
Rhizomes short, erect, lacking scales. Fronds large, 1-3-pinnate, with 2 stipular expansions at base of stipe protecting the young croziers. Sporangia scattered (not in sori), on abaxial surface of fronds, or in dense clusters on modified pinnae; indusia 0. Annulus a poorly differentiated subapical group of cells. Homosporous; spores with chlorophyll.
Taxonomic concepts
Osmundaceae Martinov
Osmundaceae Martinov
Osmundaceae Martinov
Osmundaceae Martinov
Osmundaceae Martinov
Osmundaceae Martinov
Osmundaceae
Osmundaceae Martinov
Metadata
a4a38620-2d6c-4c61-b486-ee2da544de1d
scientific name
Names_Plants
1 January 2000
16 June 2024