Flora of the Hawaiian Islands
Dicotyledon Literature for Cyrtandra platyphylla
Wagner et al., 1990, 1999.
   Gesneriaceae -- The African Violet Family Bibliography
      Cyrtandra platyphylla

Common name(s): ha`iwale, kanawao ke`oke`o, `ilihia
General Information
DistributionIn the Hawaiian Islands, endemic to Maui, Hawai`i.

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Shrubs (1-)2-3.5 m tall; stems unbranched or few-branched.
Leaves opposite, borne on upper 3-8 nodes, those of a pair subequal, symmetrical to somewhat asymmetrical, often thick, chartaceous to membranous, suborbicular to broadly ovate or broadly cordate, rarely ovate, (6-)10-26(-36) cm long, (6-)9-16(-22) cm wide, upper surface moderately to densely hirtellous, usually very densely so when young, lower surface densely to moderately velvety villous especially along veins, the hairs yellowish brown, margins serrate or dentate, often coarsely so to occasionally subentire, apex long-acuminate, base truncate or cordate to rarely broadly cuneate, petioles (2.3-)5-9(-11.3) cm long, shaggy villous.
Flowers 3-7 in usually erect, open, umbelliform cymes arising in the leaf axils, densely shaggy villous throughout, peduncles stout, (20-)35-90 mm long, pedicels 15-50 mm long, bracts foliaceous, elliptic to ovate, 10-25 mm long, often deciduous; calyx nearly actinomorphic, pale green, narrowly funnelform, erect, 11-20 mm long, cleft 1/2-3/4 its length, rarely more, usually somewhat irregularly, the lobes narrowly lanceolate to elliptic-lanceolate, venation conspicuous, both surfaces densely villous, sometimes only moderately so, or occasionally inner surface villous only in upper 1/3, apex acute to rarely obtuse; corolla white to pale green, tube cylindrical, flaring slightly toward mouth, 16-22 mm long, ca. 5-7 mm in diameter medially, sparsely to moderately villous, occasionally glabrate except near base of lobes, upper lobes rhombic-orbicular, ca. 4-5 mm long, ca. 6-7 mm wide, lower lobes broadly rhombic, ca. 5-7 mm long, ca. 6-7 mm wide; ovary glabrous; style ca. 5 mm long, glabrous or rarely sparsely puberulent.
Berries white, ellipsoid, 1-2 cm long, glabrous, surrounded by the persistent calyx.
Seeds unknown.