Portulaca molokiniensis is a rare flowering succulent ground cover endemic to the Hawaiian Islands where it is listed as an endangered species. Known as 'ihi, the yellow flowers resemble miniature roses. The flowers close at night and on shady days. It forms a very small upright shrub with unusual, stacked, emerald green, succulent foliage.
Asia and the Pacific - Pacific Islands
Restricted to a few coastal sites in Hawaii. It is known to grow in extremely dry sites such as loose volcanic scree and sand on steep rocky slopes and in rain shadows, from about 30 to about 375 feet.