Having rough-textured leaves.

Slightly rough or minutely roughened.

The process by which plants convert nutrients into living tissue, especially photosynthesis.

Lacking symmetry; not divisible into mirror-image halves.

In leaves, having unequal halves on either side of the midrib.

Metric prefix denoting 10⁻¹⁸ (used in some scientific measurements).

A fragrant essential oil, typically derived from flowers (especially roses).

Gradually tapering to a slender point (often describing leaves or other plant structures).

Not conforming to the usual type or pattern; abnormal in appearance or growth.

A drilling tool used for taking soil samples or planting bulbs.