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Amaamia
Genus Amaamia M. Moiseeva Paleontol. Zhurn., 2008, (3): 94. 2008
- Name
- Amaamia
- Rank
- Genus
- Authors (Pub.)
- Moiseeva M. G.
- Publication
- Novye pokrytosemennye iz maastrikhta rajona laguny Amaam (Severo-Vostok Rossii) [2008]
- Journal
- Paleontologicheskii Zhurnal
- Annee/Jahrgang
- 2008
- Issue
- 3
- Page number
- 94
- Year
- 2008
- Parent Taxon
- [Class] Magnoliopsida
- Fossil Status
- leaves
- Type
- Amaamia tshucotica
- Diagnosis
- Leaves simple, entire, from small to
large, usually medium in size. Leaf lamina rounded, elliptical-ovate or elliptical-triangular, often irregular in
shape, asymmetric. Leaf base truncate, rounded or
slightly cordate, shortly cuneate, decurrent. Leaf apex
variable, broadly rounded, obtuse or mucronate, rarely
tapered. Leaf margin entire, undulate or with rare irregular teeth. Venation brochidodromous or partially
craspedodromous. Secondary veins 7–9 pairs, often
non-parallel, usually sinuous, branching and looping
far before leaf margin. Angle between the lower secondary veins and the midrib about 90°, decreases towards the leaf apex.
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