Having a blistered or puckered surface (of leaves).

The mark left in a leaf scar by the vascular bundles when a leaf falls.

A prickly or rough fruit or seed case that clings to animals or clothing.

A rounded outgrowth on a tree trunk with contorted grain, valued in woodworking.

Coarse fabric made from jute or hemp, used for plant protection and weed control.

Calcium oxide, used to raise soil pH and provide calcium.

(1) A rough edge on wood; (2) Alternative spelling of bur (seed case).

Having bracts.

A small bract on a flower stalk (pedicel), often secondary to the main bract.

A secondary woody stem arising from the main trunk or bole of a tree or shrub.