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Castanopsoidea
Genus Castanopsoidea Crepet, Nixon Amer. J. Bot., 76(6): 851. 23 Jun 1989
- Name
- Castanopsoidea
- Rank
- Genus
- Authors (Pub.)
- Crepet W. L.
Nixon K. C.
- Publication
- Earliest megafossil evidence of Fagaceae: phylogenetic and biogeographic implications [1989/6]
- Journal
- American Journal of Botany
- Volume
- 76
- Issue
- 6
- Page number
- 851
- Year
- 1989
- Parent Taxon
- [Family] Fagaceae
- Fossil Status
- infructescences
- Type
- Castanopsoidea columbiana
- Diagnosis
- Partial pistillate inflorescences of scaly cupules enclosing three fruits. Fruits with an apical stylopodium-perianth complex. Styles three/fruit, linear, short (ca. 2 mm), and without an expanded stigmatic area. Staminodia (stamens?) enclosed by perianth and bearing tricolporate prolate pollen with fused vermiform exine micromorphology. Wall structure tectate columellate and footlayer/tectum ratio ca. 1.
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