S. petiolaris may refer to: Salix petiolaris, a species in the genus Salix Siparuna petiolaris, a species in the genus Siparuna Solidago petiolaris, a goldenrod species in the genus Solidago Stemonoporus petiolaris, a species of plant endemic to Sri Lanka Synaphea petiolaris, a species in the genus Synaphea
See also Petiolaris (disambiguation)