Botany Dictionary

  • Rosarian

    Rosarian

    A person who cultivates or is an expert in roses.

  • Rose form double

    Rose form double

    A type of flower with multiple overlapping petals, resembling a rose.

  • Rosette

    Rosette

    A basal cluster of leaves lying flat on the ground, often seen in biennials and perennials.

  • Rosetted

    Rosetted

    Forming or having the shape of a rosette.

  • Rostellum

    Rostellum

    A modified part of the stigma that acts as a barrier between pollen and ovule.

  • Rhombic

    Rhombic

    A leaf shape that resembles a rhombus or diamond.

  • Ridged

    Ridged

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

  • Riparian

    Riparian

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

  • Rivulose

    Rivulose

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

  • Rockery

    Rockery

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