Spermolepis hawaiiensis is a rare species of flowering plant in the carrot family known by the common name Hawai'i scaleseed.
It is threatened by the degradation of its habitat and it is a federally listed endangered species.
[1] This plant is an annual herb producing a slender erect stem up to 20 centimeters tall and bears small white flowers.
It is present at Diamond Head on Oahu and the Pohakuloa Training Area on Hawaii.
[3] Media related to Spermolepis hawaiiensis at Wikimedia Commons