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Sterculia matrum
Sterculia matrum D.W. Woodcock, H.W. Mey., Y. Prado I.A.W.A. J., 2019, 40(3): 25. 1 Jan 2019
- Name
- Sterculia matrum
- Rank
- Species
- Generic Name
- [Genus] Sterculia
- 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
- 25
- 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-S172
- Diagnosis
- Growth rings indistinct or absent, wood diffuse porous. Vessels solitary
and in short radial multiples, mean tangential diameter 150–200 μm, intervessel pits alternate, vessel-ray parenchyma pits similar to intervessel pits but somewhat larger or enlarged with reduced borders. Fibers non-septate. Axial parenchyma vasicentric and diffuse-in-aggregates. Rays non-storied, 1–12-seriate, composed of low procumbent body ray cells, sheath cells, and 2–4 marginal rows of square to upright or tall procumbent cells. Axial parenchyma and vasicentric tracheids storied.
