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Grewia americana
Grewia americana D.W. Woodcock, H.W. Mey., Y. Prado I.A.W.A. J., 2019, 40(3): 14. 1 Jan 2019
- Name
- Grewia americana
- Rank
- Species
- Generic Name
- [Genus] Grewia
- Authors (Pub.)
- Woodcock D. W.
Meyer H. W.
Prado Y.
- Publication
- The Piedra Chamana fossil woods (Eocene, Peru) II [2019/1]
- Journal
- IAWA Journal
- Annee/Jahrgang
- 2019
- Volume
- 40
- Issue
- 3
- Page number
- 14
- Year
- 2019
- Fossil Status
- stems (wood)
- Stratigraphy
- Bartonian
- Strat. comment
- 39 Mya
- Location
- Piedra Chamana Fossil Forest main site (79°10'W, 6°35' S), near Sexi village, northern Peruvian Andes, Peru
- Paleoregion
- America (South)
Data for Holotypus
- Repository Number
- USM-S159
- Diagnosis
- Wood with distinct growth rings, diffuse to semi-ring porous. Vessels
solitary and in short to long radial multiples, perforations simple, mean tangential diameter 50–100 μm, intervessel pits alternate, vessel-ray parenchyma pits similar to intervessel pits. Fibers non-septate. Axial parenchyma scanty paratracheal. Rays storied, mostly biseriate, composed of procumbent cells and Intermediate type tile cells, with 1–2 rows of upright cells at the margins. Prismatic crystals in ray cells.
