Definition: A type of small tree that has white flowers and bright red berries, commonly found in Europe and parts of North America.

Example: The rowan tree in our garden is beautiful when it blooms in spring.

Definition: The small round fruits of the rowan tree, which can be found in Europe and northern Asia. These fruits are not good to eat raw but can be used to make jellies and jams after cooking.

Example: In the autumn, the rowanberry tree is filled with bright red fruits that attract birds.

Definition: A second crop, such as hay, that is harvested in a single growing season.

Example: Farmers often grow rowen to maximize their hay production in the summer.

Definition: A type of reddish-brown corrosion that forms on iron or steel when it is exposed to moisture and air.

Example: The old bicycle was covered in rubigo, making it look rusty and worn out.

Definition: A type of plant that belongs to a group known for producing fruits like blackberries and raspberries, characterized by their prickly stems and lobed leaves.

Example: The garden was filled with rubus plants, offering a bountiful harvest of sweet blackberries.

Definition: A type of flowering plant that belongs to the genus Rudbeckia, known for its bright yellow flowers and conical shape.

Example: The garden was filled with beautiful rudbeckia, attracting many butterflies.

Definition: Describing plants that grow in disturbed or poor environments, often in places where the natural vegetation has been removed or damaged by human activity.

Example: The ruderal plants quickly took over the abandoned lot, thriving in the poor soil.

Definition: A type of plant that grows in disturbed or waste areas, often in places where the soil is poor or has been damaged.

Example: The garden was filled with ruderal plants that thrived in the neglected soil.

Definition: Having a reddish tint or hue.

Example: The leaves turned rufescent in the autumn, creating a beautiful display of colors.

Definition: A type of rose plant from Southeast Asia that has dark green, wrinkled leaves and produces deep pink flowers. It is often used for creating hedges.

Example: The garden was beautiful with the rugosa roses blooming in vibrant colors.

Definition: Having a rough or wrinkled surface, often used to describe certain plants or leaves.

Example: The rugose leaves of the plant were easily recognizable due to their unique texture.