Figure 4
From: Phytoliths reveal the earliest fine reedy textile in China at the Tianluoshan site

Phytolith skeleton from modern reference.
(a) n-undulating pattern of outer epidermal layer with rondel (dark green arrow) and hair cell phytoliths (light green arrow) from a reed, (a1) silicified dendritic phytolith of reed; (b) undulated patterns occurred with silicified dendritic phytoliths (b1) and rondel (b2) of bamboo (blue arrow); (c) silicified spongy mesophyll and stomata of Typha orientalis; (d) and (d1) rondel, hypoderm fiber and spongy mesophyll of rice.