Noun
A flower cluster with an elongated axis and many one-flowered lateral pedicels, as in the currant and chokecherry.
Source: Webster's dictionaryGenerally, one flower per raceme opens per day, so the raceme may be in flower for over 20 days. Source: Internet
The inflorescence is an unbranched and indeterminate terminal raceme measuring convert tall, with flowers that are yellow or white. Source: Internet