A transparent protective cover used to protect plants from cold or extend the growing season.

A genetically identical plant produced by vegetative propagation.

Having indistinct or blurred markings (describing petals, leaves, etc.).

Growing in groups or bunches rather than singly.

Fused or grown together (referring to plant parts that normally would be separate).

Sand particles ranging from 0.5-1.0 mm in diameter, providing good drainage.

A one-seeded, dry fruit that splits into segments at maturity (e.g., in Euphorbiaceae).

Spoon-shaped or resembling a spoon.

Spirally twisted like a snail shell.

A compound sorus where sporangia merge to form a continuous mass.