[2] Like other Hawaiian geraniums, this plant is known as hinahina and nohoanu.

The leaves have green, toothed blades up to 3.8 centimeters long.

[2] The shape of the flower indicates it is pollinated by birds, which is unique among the geraniums.

[1][2] This plant grows in gulches on the slopes of the volcano Haleakalā.

[1] The main threat to this species is the degradation of its habitat by grazing cattle, feral pigs, and non-native plant species invading the area.