Choerospondias mioaxillaris L.Xiao et Z.Wu in Xiao, Wu, Guo, Li, Ji, Xia, Wang, Liang & Sun

Plant Fossil Names Registry Number: PFN003303

Act LSID: urn:lsid:plantfossilnames.org:act:3303

Authors: L. Xiao & Z. Wu

Rank: species

Reference: Xiao, L., Wu, Z., Guo, L., Li, X., Ji, D. S., Xia, X., Wang, J., Liang, J. & Sun, N. (2022): Late Miocene Leaves and Endocarps of Choerospondias (Anacardiaceae) from Zhejiang, Eastern China: Implications for Paleogeography and Paleoclimate. – Biology 11(10): 1399 (18).

Page of description: 7

Illustrations or figures: fig. 6 A-C

Types

Original diagnosis/description

Leaves ovate to ovate-lanceolate, apex shape long and acuminate, base shape convex slightly. The leaf margin was entire. Primary venation pinnate, Secondaries brochidodromous. Secondary angles to midvein 40–60°. Intersecondary vein present. The basal veins of the intersecondary veins parallel to the secondary veins. Epidermal cells were irregular and polygonal in shape, anticlinal walls undulated shallowly. Trichome multicellular. Stomata cyclocytic.

Etymology

The epithet refers to the Miocene Choerospondias axillaris, indicating that the present fossil leaf resembles the extant Choerospondias in morphology.

Stratigraphy

Neogene, Miocene
Jiahu Village, Tiantai County, Zhejiang Province, China (29°09′ N, 121°14′ E).

Locality

China
The Shengxian Formation.