a swelling at the base of a leafstalk: changes in its turgor pressure cause changes in the position of the leaf
Word origin
C19: from Latin: cushion
Examples of 'pulvini' in a sentence
pulvini
The analyses were performed on cross sections of the pulvini, petiole, rachis, pulvinulus and leaflets.
Renato Ferraz de Arruda Veiga, Graci Mirian Corso, Paulo Roberto Curi, João PauloFeijão Teixeira 1992, 'Análise histoquímica foliar do amendoim: genótipos 'Tatu' e SO-909 Leaf histochemicalanalyses of peanut: genotypes 'Tatu' and SO-909', Bragantiahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87051992000200003. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)