Var. microphylla
O. exilis A. Cunn. in Ann. nat. Hist. 3, 1839, 316.
(attributed to "O. microphylla A. Cunn. Prodr.").
Plant very slender; lflts ± 3 mm. long, emarginate, cuneiform; petioles capillary, ± 10 mm. long; peduncles filiform, up to ± 3 cm. long; bracteoles minute, filiform; fls ± 5 mm. long.
DIST.: Uncertain, occurs in North Auckland.