Quercus sontraensis is a species of oak. It is a tree endemic to Vietnam. It is an evergreen tree which grows up 12 metres tall. It flowers from January to March, and acorns were collected in September and October.Nguyen Van Ngoc, Hoang Thi Binh, Hoang Thanh Son, Yoshihisa Suyama, Tetsukazu Yahara. A new species of Quercus genus (Fagaceae) from Son Tra Peninsula, Central Vietnam. Phytokeys, Volume 206, 2022, Pages 61-73, ISSN 1314-2011, https://doi.org/10.3897/phytokeys.206.85635.
The species was discovered in Son Tra Nature Reserve on the Sơn Trà Peninsula in Da Nang City in Central Vietnam. It grows in evergreen forest from 340 m to 430 m elevation.
The species was described by Nguyen Van Ngoc, Hoang Thi Binh, and Hoang Thanh Son in 2022. It is morphologically and phylogenically most closely related to Quercus cambodiensis and Q. langbianensis.
References