H. petiolaris may refer to:

• Hakea petiolaris, the sea-urchin hakea, a shrub or small tree species endemic to the south-west of Western Australia
• Helianthus petiolaris, the prairie sunflower, a plant species in the genus Helianthus
• Hydrangea petiolaris, a species native to the woodlands of Japan, Korea and Sakhalin in easternmost Siberia
• Hylaeorchis petiolaris, a synonym of Maxillaria petiolaris

See also

• Petiolaris (disambiguation)

Topics referred to by the same term

This disambiguation page lists articles associated with the same abbreviated species scientific name.
If an internal link led you here, you may wish to change the link to point directly to the intended article.