Bot. extending down along the stem, as the base of some leaves
Origin of decurrentClassical Latin decurrens, present participle of decurrere ; from de-, down + currere, to run: see current
Having the leaf base extending down the stem below the insertion.
Origin of decurrentMiddle English, from Latin dēcurrēns, dēcurrent-, present participle of dēcurrere, to run down : dē-, de- + currere, to run; see kers- in Indo-European roots.
(comparative more decurrent, superlative most decurrent)
- (botany) Pertaining to plant parts that extend downward, most often applied to leaf blades that partly wrap or have wings around the stem or petiole and extend down along the stem.
- (mycology) Pertaining to lamellae (the gills of a mushroom) that are broadly attached and extend down the stipe of the mushroom.
- In this group of mushrooms, the attachment of the gills to the stipe is decurrent.