Coprosma J. R. Forster & G. Forster

Wagner, Warren L. & Lorence, David H., 2011, Revision of Coprosma (Rubiaceae, tribe Anthospermeae) in the Marquesas Islands, PhytoKeys 4, pp. 109-124 : 111-112

Coprosma J. R. Forster & G. Forster

Description.

Shrubs, multi-branched, erect, occasionally creeping and sometimes rooting at the nodes or occasionally trees, often foetid when bruised. Leaves simple, opposite or rarely ternate, margins entire, petiolate or sessile; stipules interpetiolar, distinct or partly connate, entire or dentate with toothlike marginal colleters. Flowers unisexual (and the plants dioecious or rarely monoecious), rarely polygamous or in one species perfect, axillary, solitary or in cymes; calyx 4 –5(– 10)-toothed, often reduced or absent in male flowers; corolla funnelform or campanulate, 4 –5(– 10)-lobed, lobes valvate in bud; stamens 4 –5(– 10), inserted at base of corolla tube; filaments long-exserted, erect or pendulous; ovary 2(-4)-celled, ovule 1 per cell, basal, anatropous; style 2(-4)-lobed, divided nearly to base; stigmas long-exserted, papillose-hirsute. Fruits drupaceous, juicy, ovoid to globose, with 2(-4), 1-seeded, plano-convex pyrenes.

Key to species of Coprosma in the Marquesas Islands.