Heavy Leaf (B Group).

CFR · 2024-01-01 · US · Title 7

This group consists of leaves usually grown at or above the center portion of the stalk. These leaves have a pointed tip, tend to fold, are heavier in body than those of the X or C groups, and show no ground injury. Choice- and fine-quality leaves of this group have a distinctive, smooth leaf surface.

official document · source cfr-2024 · id 7:§ 29.2437