Figure 4

The major types of calcium oxalate crystals in Theaceae plants.
a) calcified trichome base in Camellia synaptica S.; druses in b) Camellia synaptica S.; c) Camellia impressinervis; d) Sladenia celastrifolia Kurz; e) Camellia crassipes; f) Camellia reticulate L. ‘Snow Elegans’; g) Camellia japonica L. ‘Sun Song’; h) Camellia sasanqua T. ‘Read Jade’; i) Camellia reticulata L.‘Baozhucha’; j) Camellia costei Cevl.