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Azolla asiatica
Azolla asiatica V.P. Nikitin in V.P. Nikitin, Hval' Paleobot., 2: 56. 2011
- Name
- Azolla asiatica
- Rank
- Species
- Generic Name
- [Genus] Azolla
- Authors (Name)
- Nikitin V. P.
- Authors (Pub.)
- Nikitin V. P.
Hval' A. V.
- Publication
- Reproduktivnye struktury Azolla v kajnozoe Zapadnoj Sibiri [2011]
- Journal
- Paleobotanika
- Volume
- 2
- Page number
- 56
- Year
- 2011
- Fossil Status
- sporae dispersae (megaspores)
- Stratigraphy
- Eocene
- Strat. comment
- Tavdinian suite
- Location
- Lesnaja poljana station (Zakholustnoe), Novosibirsk region, Russian Federation
- Paleoregion
- Eurasia (W Siberia)
Data for Holotypus
- Repository
- Komarov Botanical Institute, Russian Academy of Sciences, St.-Petersburg, Russian Federation
- Repository Number
- 224/Н1249
- Diagnosis
- Megaspore complexes small, 0,35—0,42 mm long. Supraspore approximately as high as the infraspore or longer. Basic floats 9. Lower floats 1,5 times smaller than the upper ones. Cap partially covering the supraspore. Columella present. Collar narrow to almost indistinct. Suprafilosum moderately developed to scarce. Infraspore surface fi nely granulate with dense conical to elongated rugged outgrowths formed by merging and vertical enlargement of adjacent grains, as well as with large vermiform grains protruding from the surface and overlying the subjacent ones. Infrafilosum absent.
