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Protognetaceae
Family Protognetaceae Y. Yang, L. Xie, D.K. Ferguson Perspect. Pl. Ecol. Evol. Syst., 28: 71. 2 Sep 2017
- Name
- Protognetaceae
- Rank
- Family
- Authors (Pub.)
- Yang Y.
Xie L.
Ferguson D. K.
- Publication
- Protognetaceae: A new gnetoid macrofossil family from the Jurassic of northeastern China [2017/9]
- Journal
- Perspectives in Plant Ecology, Evolution and Systematics
- Volume
- 28
- Page number
- 71
- Year
- 2017
- Parent Taxon
- [Order] Gnetales
- Type
- [Genus] Protognetum
- Diagnosis
- Vegetative shoots noded, nodes swollen, internodes with longitudinal striations; leaves linear and parallel-veined, opposite at nodes. Female spikes lax, with one or two whorls of FRUs. FRUs sessile in verticels at nodes. Micropylar tube present.