Definition of tepal in US English:

tepal

noun

Botany
  • A segment of the outer whorl in a flower that has no differentiation between petals and sepals.

    • ‘The blossoms vary in the number of thick tepals, or petals, and last only two to four days.’
    • ‘Flowers are available with plain tepals and ruffled tepals.’
    • ‘The six subequal tepals are arranged in two whorls and horizontally spread.’
    • ‘The flower closing occurs through upward movements of the tepals, which return to their bud position.’
    • ‘However, these authors did not observe the initiation of tepals and stamens on the same whorl on individual flowers.’

Origin

Mid 19th century: from French tépale, blend of pétale ‘petal’ and sépal ‘sepal’.

Pronunciation

tepal

/ˈtepəl/