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Archaranthus krassilovii
Archaranthus krassilovii N.P. Maslova, Kodrul Paleontol. Zhurn., 2003, 1: 93. 2003
- Name
- Archaranthus krassilovii
- Rank
- Species
- Generic Name
- [Genus] Archaranthus
- Authors (Pub.)
- Maslova N. P.
Kodrul T. M.
- Publication
- Archaranthus gen. nov. - novoe sotsvetie platanovykh iz maastrikht-paleotsenovykh otlozhenij Amurskoj oblasti [2003]
- Journal
- Paleontologicheskii Zhurnal
- Annee/Jahrgang
- 2003
- Volume
- 1
- Page number
- 93
- Year
- 2003
- Fossil Status
- inflorescences (male)
- Stratigraphy
- Danian
- Strat. comment
- Maastrichtian
- Location
- Arkhara village, Amur region, Russian Federation
- Paleoregion
- Eurasia (Far East)
Data for Holotypus
- Repository
- Geological Institute, Russian Academy of Sciences, Moscow, Russian Federation
- Repository Number
- АВ3-81
- Diagnosis
- Staminate heads 5 mm in diameter,
pedicellate, composed of about 15 florets. Ripe inflorescence disintegrates into separate florets and stamens. Perianth well developed. Cuticle of the outer tepals with elongate cells in rows. Cuticle of the inner tepals with isodiametric cells showing undulate walls.
Florets tetramerous. Stamens with а very short filaments and elongate, massive anthers. Connective expanding into а distally forming triangular apical extension. Cuticle of the connective with isodiametric cells
showing numerous stomata. Cuticle of the apical extension without stomata. Pollen grains 13.3- 15.3 mJl in
equatorial diameter, 16.0- 16.8 mJl in polar diameter,
tricolpate with reticulate exine and colpi extending
nearly from pole to pole.
