Raceme
Raceme
Raceme (/rəˈsiːm/; from Latin racemus, "a cluster") is a type of inflorescence characteristic of many plant species, particularly those in the family Fabaceae.
Definition
A raceme is an unbranched, indeterminate type of inflorescence bearing pedicellate flowers—flowers having short floral stalks called pedicels—along its axis. In a raceme, the oldest flowers are located at the base of the inflorescence, and the youngest flowers are at the apex.
Etymology
The term "raceme" comes from the Latin racemus, meaning "a cluster". This is in reference to the clustered arrangement of flowers along the central stem of the raceme.
Related Terms
- Inflorescence: The complete flower head of a plant including stems, stalks, bracts, and flowers.
- Pedicel: The stalk of a single flower in an inflorescence.
- Panicle: A compound raceme, a loose, much-branched indeterminate inflorescence with pedicellate flowers attached along the secondary branches.
- Spike: An unbranched, indeterminate inflorescence, similar to a raceme, but bearing sessile flowers.
- Umbel: An inflorescence which consists of a number of short flower stalks which spread from a common point.
External links
- Medical encyclopedia article on Raceme
- Wikipedia's article - Raceme
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