Sago-Type Palms Were an Important Plant Food Prior to Rice in Southern Subtropical China
Figure 4
Characteristic starch granules from modern plants.
a, Caryota mitis, range, 3.3–10.7 µm; b, Caryota urens, range, 6.6–45.7 µm; c, Corypha umbraculifera, range, 11.4–48.7 µm; d, Arenga undulatifolia, range, 3.0–17.8 µm; e–f, Musa acuminata, under brightfield and polarized light, range, 6.2–41.3 µm; g, Nelumbo nucifera (root), range, 8.0–72.4 µm; h, Sagittaria trifolia, range, 9.7–27.6 µm; i, Eleocharis dulcis, range, 4.7–18.7 µm; j–k, compound starch grains from Angiopteris yunnanensis under brightfield and polarized light, respectively, range, 9.3–149.4 µm; l, Coix lacryma-jobi, range, 5.4–20.4 µm. Scale bar, 20 µm except a and c, 10 µm.