Isodendrion pyrifolium is a rare species of flowering plant in the violet family known by the common name wahine noho kula.

[1] It is a federally listed endangered species of the United States.

This is a shrub growing 0.8 to 2 meters tall and bearing greenish yellow flowers.

These are located in degraded dry forest habitat in an area undergoing development.

[2] The plants' habitat is threatened by development, and non-native plant species such as fountain grass (Pennisetum setaceum), which increases the risk of fire in the area.