A specialized flowering area on cacti, often woolly or bristly.

Waxy in texture or appearance (describing leaves, fruits, or stems).

Nodding or drooping, especially of flowers or fruits on curved stalks.

Small, dry, scaly bracts or husks, especially those surrounding grass florets.

The region of an ovule or seed where the integuments and nucellus join.

Divided into compartments (e.g., pith in some stems or fruit interiors).

Having a longitudinal groove or gutter-like depression (e.g., some petioles or stems).

Having a papery texture (describing leaves, bracts, or seed coats).

Referring to flowers that open and are pollinated normally (as opposed to cleistogamous).

Marked with a pattern of squares or rectangles (often describing bark or flower patterns).