Figure 5
From: Earliest tea as evidence for one branch of the Silk Road across the Tibetan Plateau
Photographs illustrating discrimination of contemporary and prehistoric tea calcium phytoliths.
(a) Calcium phytoliths from Sample XZ-1, compared with (d) modern regular crack-type calcium phytoliths from trichome bases of C. sinensis. (b) Calcium phytoliths from Sample DK15-1, compared with (e) modern druse-type calcium phytoliths from C. sinensis. (c) Calcium phytoliths from Sample DK15-1, compared with (f) modern trichome type calcium phytoliths from C. sinensis13.
