All parts covered with silky silvery hairs.
Flowers minute, borne on terminal spikes.
More than 20 varieties have been described. It is endemic to dry foothills, exposed ridges and open, dry, lowland forests on all main islands. It will grow in arid, rocky areas and should be considered in xeriscape gardens. Use as an ornamental, background planting or informal hedge. It is tolerant of salty coastal conditions.