Similar to a rhombus; a parallelogram with opposite equal angles.

One of several prominent, often parallel, lines or ridges on plant surfaces.

Describing soil that is fertile and high in organic matter and nutrients.

Marked by raised lines or crests, often parallel, on a surface.

Relating to or situated on the banks of a river or stream.

Having many small, vein-like lines or patterns, like tiny streams.

A garden or area where rocks are arranged decoratively with alpine or drought-tolerant plants.

A plant that deviates from the desired or standard form; often removed from cultivation.

A plant adapted to grow in fast-flowing water or periodically flooded habitats.

An inflorescence where flowers spread out in one plane like a fan.