Delissea kauaiensis is a critically endangered species of the bellflower family.

Ha'upu near Hanapepe Falls, and Mahanaloa.

The flowers bloom period is from June to February.

The leaves color is either dark or medium green, and often has a reddish cast to it.

Unlike its sibling, Delissea rhytidosperma, D. kauaiensis is taller and rarely branches.