An early Oligocene fossil acorn, associated leaves and pollen of the ring‐cupped oaks (Quercus subg. Cyclobalanopsis) from Maoming Basin, South China

• Published in: Journal of systematics and evolution : JSE Vol. 57; no. 2; pp. 153 - 168
• Main Authors: Liu, Xiao‐Yan, Xu, Sheng‐Lan, Han, Meng, Jin, Jian‐Hua
• Format: Journal Article
• Language: English
• Published: Beijing Wiley Subscription Services, Inc 01.03.2019
• Subjects: Coniferous forests; Cyclobalanopsis; Distribution centres; Distribution patterns; early Oligocene; Eocene; Fagaceae; fossil acorn; Fossil pollen; Fossils; Leaves; New species; Oligocene; Pleistocene; Pollen; Quercus; Shangcun Formation; South China; Tropical forests; China

The ring‐cupped oaks (Quercus subg. Cyclobalanopsis) characterized by united and concentric ring‐cupped acorns, are mainly distributed in broad‐leaved evergreen forests in tropical and subtropical regions of East and Southeast Asia. Their geological history has been traced from the middle Eocene to...