FIG. 7 in Architectural analysis of Buxus vahlii Baill. (Buxaceae) in two different environments in Puerto Rico

FIG. 7. — Phases of development of Buxus vahlii Baill.: A, juvenile tree with axes A1, A2 and A3; B, mature tree; dashed lines indicate sequence of replacement axes in sequential reiteration; C, senescent tree. Circles indicate reiterated axes, crosses indicate dead axes.