Fig. 9From: The “chi-chi” of Ginkgo biloba L. grows downward with horizontally curving tracheids having compression-wood-like featuresPhotomicrograph of radial section of the tip of sample C. The section was 20 µm-thick and stained with phloroglucinol hydrochloric acid. Left-side tracheids cut axially show bordered pits. In contrast, tracheids on the right side are cut in a cross-section. The bark side is down below. Scale bar, 100 µmBack to article page