Psychotria hexandra var. oahuensis, a member of the coffee family (Rubiaceae), is a shrub or tree up to 6 m (20 ft) tall. Leaves are membranous, chartaceous (papery), or coriaceous (leathery), obovate to oblanceolate, 1.2 to 8.3 in (3 to 21 cm) long, 0.5 to 3.5 in (1.3 to 9 cm) wide, lateral veins...