Wataria yunnanica Yan-Jie Li et Oskolski in Li, Oskolski, Jacques & Zhou

Plant Fossil Names Registry Number: PFN002735

Act LSID: urn:lsid:plantfossilnames.org:act:2735

Authors: Y. J. Li & A. A. Oskolski

Rank: species

Genus: Wataria K.Terada et Mits.Suzuki

Reference: Li, Y. J., Oskolski, A. A., Jacques, F. M. B. & Zhou, Z. K. (2015): New middle Miocene fossil wood of Wataria (Malvaceae) from Southwest China. – IAWA Journal 36(3): 345–357.

Page of description: 349

Illustrations or figures: figs 3, 4

Types

Original diagnosis/description

Wood ring-porous. Earlywood vessels wide (tangential diameter can exceed 200 μm), mostly solitary, whereas the latewood vessels mostly in groups. Vessel element length averages < 350 μm. Perforation plates are exclusively simple. Intervessel pits alternate, minute. Helical thickenings absent on vessel walls. Axial parenchyma fusiform and in strands, occasionally storied. Prismatic crystals rare, present in axial parenchyma cells and ray cells. Rays heterocellular, 1–12 cells wide, uniseriate rays occasionally storied. Tile cells present.

Etymology

After Yunnan province where the fossil wood was collected.

Stratigraphy

Neogene, Miocene
Dajie Formation, sand and mudstone group (N13); middle Miocene

Locality

China
Meizi town, Zhenyuan County, Pu’er city, Yunnan Province, Southwest China (101° 09' 49.7" E, 23° 30' 29.1" N)