Ventilago tibetensis C.Del Rio et Su in Del Rio, Wang, Xu, Sabroux, Spicer, Liu, Chen, Wu, Zhou & Su

Plant Fossil Names Registry Number: PFN001781

Act LSID: urn:lsid:plantfossilnames.org:act:1781

Rank: species

Reference: Del Rio, C., Wang, T. X., Xu, X. T., Sabroux, R., Spicer, T. E. V., Liu, J., Chen, P. R., Wu, F. X., Zhou, Z. K. & Su, T. (2021): Ventilago (Rhamnaceae) fruit from the middle Eocene of the central Tibet, China. – International Journal of Plant Sciences 182(online)(7): 638–648.

Note: Published online July 14, 2021 (publisher statment).

Page of description: 643

Illustrations or figures: figs 1, 2

Types

Holotype XZBGJL3-0030, Palaeoecology Collections, Xishuangbanna Tropical Botanical Garden (XTBG), Chinese Academy of Sciences, Menglun, Yunnan, China
Figures: fig. 1B

Note: Paratypes: XZBGJL3-0020, XZBGJL4-0016, XZBGJL5-0088 (fig. 1A, C–F), housed in Palaeoecology Collections, Xishuangbanna Tropical Botanical Garden (XTBG), Chinese Academy of Sciences, Mengla, Yunnan, China.

Original diagnosis/description

Samaroid fruit with a prominent apically extended elongate-elliptical wing appendage, hypanthium conical, enclosing two-thirds of an elliptical and apically pointed seed chamber. Wing with a prominent midvein and other parallel veins. The fruit length is about 3.8 times that of the seed chamber.

Etymology

The epithet name “tibetensis” refers to where these fossils were collected.

Stratigraphy

Paleogene, Eocene
middle Eocene Niubao Formation

Locality

China
near Jianglang village, Bangor County, central Tibetan Plateau (lat. 31°37.5′N, long. 90°1.5′E; 4850 m in altitude)

Plant fossil remain

macro- and meso-fossils-embryophytes except wood

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