Made available in DSpace on 2022-04-29T08:38:43Z (GMT). No. of bitstreams: 0 Previous issue date: 2022-01-01; Several Rutaceae species have petioles with a swollen apical and/or a basal region and a thinner middle portion. These swollen petiolar regions are morphologically similar to pulvini but are recognized by an array of other nomenclatures. We hypothesized that the swollen regions in Rutaceae petioles pres...