Flora of the Hawaiian Islands
Dicotyledon Literature for Coprosma rhynchocarpa
Wagner et al., 1990, 1999.
   Rubiaceae -- The Coffee Family Bibliography
      Coprosma rhynchocarpa
General Information
DistributionIn the Hawaiian Islands, endemic to Maui, Hawai`i.

Rubiaceae - Coprosma rhynchocarpa Rubiaceae - Coprosma rhynchocarpa

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Small, dioecious trees 3-15 m tall; stems many-branched, drooping, densely or sparsely hirsute to occasionally glabrate.
Leaves opposite, elliptic to elliptic-oblanceolate or obovate, (55-)65-150 mm long, (21-)25-50 mm wide, pinnately veined, upper surface glabrous or sparsely to moderately coarsely tan pilose along midrib, lower surface densely to sparsely coarsely tan pilose along midrib and usually on lateral veins or glabrous, apex acuminate to occasionally acute, ± mucronulate, base attenuate to cuneate, petioles 9-28 mm long, usually pilose, stipules 4.5-8 mm long, connate 1/3-1/2 their length, sometimes splitting, glabrous to pilose at base, margins sparsely pilose and dentate with a series of appendages, apex short-acuminate and with a conspicuous appendage.
Flowers 3-6 per cluster, (5)6-8-merous, peduncles 2.5-16 mm long, tan pilose to glabrous; staminate flowers with calyx cup-shaped, usually slightly bilabiate, ca. 3 mm long, irregularly toothed, corolla funnelform, ca. 8-9 mm long, the lobes ca. 5-6 mm long, often pubescent; pistillate flowers with calyx urceolate, 2-4 mm long, enlarging to 5-10 mm long in fruit, slightly irregularly toothed, corolla narrowly funnelform, 4-5 mm long, the lobes 2-2.5 mm long.
Fruit bright yellowish orange or yellowish red, ovoid, 7-13 mm long, apex with conspicuous persistent calyx.