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Botryopteris spinosa
Botryopteris spinosa Mamay Ann. Missouri Bot. Gard., 37(3): 415. 30 Sep 1950
- Name
- Botryopteris spinosa
- Rank
- Species
- Generic Name
- [Genus] Botryopteris
- Authors (Pub.)
- Mamay S. H.
- Publication
- Some American Carboniferous fern fructifications [1950/9]
- Journal
- Annals of the Missouri Botanical Garden
- Volume
- 37
- Issue
- 3
- Page number
- 415
- Year
- 1950
- Parent Taxon
- [Genus] Botryopteris
- Fossil Status
- sporangia
- Stratigraphy
- Moscovian
- Location
- Urbandale Mine, Iowa, USA
- Paleoregion
- Laurussia (Laurentia)
Data for Holotypus
- Repository Number
- 1681-1683
- Diagnosis
- Sporangia borne in loosely aggregated clusters terminating the ultimate ramifications, shortly pedicellate, pyriform, averaging .50 mm. in length and .25 mm. in diameter. Largest cells of annulus averaging 50 X 50 μ, in transverse dimensions. Spores spherical, trilete, averaging 45 μ, in diameter, with faint triradiate ridges; spore walls sparsely provided with blunt spines reaching 6 μ, in length and 2 μ, in diameter.
Nomenclatural synonyms (basionyms)
Species
