Diplacus parviflorus, also known as the island bush monkeyflower, is a species of flowering plant endemic to California.

[1] This monkeyflower is an uncommon plant found only on four of the Channel Islands of California (Anacapa, San Clemente, Santa Cruz, and Santa Rosa) and in San Diego County.

[2][3] This plant sometimes hybridizes with Diplacus longiflorus.

[4] This species is attractive to butterflies including the western buckeye, mylitta crescent, and the variable checkerspot.

[5] This Lamiales article is a stub.