Berry (bacca). A succulent indehiscent fruit with a thin and soft (membranous, parchment-like, or cartilaginous) endocarp.

Biennial (biennis). Fruiting the second year and then perishing.

Blade (lamina). The upper expanded part of a leaf or leaf-like organ.

Bract (bractea). A modified leaf, usually reduced in size, intermediate between the foliage leaves and the flowers, especially those in the axil of which a flower or branch of inflorescence arises.

Bracteole (bracteola). A bract arising immediately below a flower or on the pedicel.

Bulb (bulbus). A usually underground part of the stem of certain plants, which is surrounded by numerous fleshy scales.

Caducous (caducus). Falling off very early.

Calyx (calyx). The outer floral envelope, usually smaller and firmer than the inner and of green colour.

Campanulate (campanulatus). Bell-shaped.

Capitate (capitatus). Head-like.