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Austrozamia
Genus Austrozamia Wilf, D.W. Stev., Cúneo Bot. (Canada), (9): 822. 9 Sep 2016
- Name
- Austrozamia
- Rank
- Genus
- Authors (Pub.)
- Wilf P.
Stevenson D.
Cúneo N. R.
- Publication
- The last Patagonian cycad, Austrozamia stockeyi gen. et sp. nov., early Eocene of Laguna del Hunco, Chubut, Argentina [2016/9]
- Journal
- Botany
- Issue
- 9
- Page number
- 822
- Year
- 2016
- Parent Taxon
- [Family] Encephalartaceae
- Fossil Status
- foliage
- Type
- Austrozamia stockeyae
- Diagnosis
- Leaflets sparsely toothed, the tooth apices pungent
to slightly rounded; bases acute and asymmetrical,
tapering smoothly to a narrow, lateral, decurrent insertion
on the rachis. Venation parallel, dense, and dichotomizing
with no midvein. Adaxial epidermal cells
arranged in elongate rows that parallel venation, the
ends of the rows asymmetrically tapering to a point, the
long axes of the cells oriented markedly obliquely to
the direction of venation and with thicker walls at row
boundaries than between rows.
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