Figure 2
From: Early Miocene elevation in northern Tibet estimated by palaeobotanical evidence
Leaf architecture of extant (C–F) and fossil (A, B, G–L) Berberis.
A, B. Fossil from Wudaoliang, C. B. asiatica, D. B. chitria, E. B. taronensis, F. B. phanera, G. B. huziokai, H. B. teutonica, I. B. lycium, J. B. poblana, K. B. longipetiolata, L. B. ahuehuetensis A, B, D, E, F, scale bar = 0.5 cm. C, G, H, I, J, K, L, scale bar = 1 cm. The photographs of fossil specimen (A) and extant Berberis (C–F) are taken by authors., the leaf architecture drawing (B) is drawn by authors using “CorelDraw 14” software and drawings (G–L) are cited from Ref. 23.
