… hairiness. In plants, pubescence is due to the presence of trichomes and is generally associated with the need to reduce water loss and heat build-up in leaves and stems.

… a flower cluster in which each flower is attached by a short stalk. All stalks are the same length and at equal distances along a central stem. The lower flowers open first.

… the main stem of a grass inflorescence or the central axis of a compound leaf or fern frond

… in the Asteraceae/Compositae, the small flowers that most of us might think of as “petals”. In a sunflower, for example, these are the yellow, showy florets around the outside of the disc.

… the vegetative tissues near the end of reproductive stems to which reproductive organs are attached

… the vegetative tissues at the top of the flower stem (peduncle) and just below or surrounding the reproductive organs (stamens, pistils etc.).

… having and spreading by rhizomes

… a modified subterranean plant stem that sends out roots and shoots from its nodes

… modified underground stems capable of sending out roots or a new shoot.

… wetlands adjacent to rivers or streams