[puhl-vahy-nuh s] /pʌlˈvaɪ nəs/

noun, plural pulvini
[puhl-vahy-nahy] /pʌlˈvaɪ naɪ/ (Show IPA)
Botany. a cushionlike swelling at the base of a leaf or leaflet, at the point of junction with the axis.
Architecture. (def 2).
noun (pl) -ni (-naɪ)
a swelling at the base of a leafstalk: changes in its turgor pressure cause changes in the position of the leaf


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