The nutritive tissue surrounding the embryo in seeds of flowering plants.

The inner peristome layer in moss capsules, involved in spore dispersal.

An organochlorine insecticide used against various crop pests (now banned in many countries).

Sword-shaped; long, flat, and pointed (describing leaves).

Having a smooth, uninterrupted margin (describing leaves, petals, etc.).

Insect-pollinated; adapted for pollination by insects.

Pollination by insects.

Lacking a pappus (the modified calyx in Asteraceae).

Without teeth (describing smooth leaf margins).

Having a distinct margin or border of different color or texture.