Flora of the Hawaiian Islands
Literature for Hibiscus waimeae
Wagner et al., 1990, 1999. Literature for Hibiscus waimeae subsp. hannerae
Wagner et al., 1990, 1999. Literature for Hibiscus waimeae subsp. waimeae
Wagner et al., 1990, 1999.
   Malvaceae -- The Cacao, Linden, Mallow Family Bibliography
      Hibiscus waimeae
General Information
Gray-barked trees 6-10 m tall, branchlets copiously closely stellate pubescent.
Leaf blades orbicular to broadly ovate-elliptic, 5-18(-25) cm long, 3-13(-18) cm wide, lower surface grayish velvety tomentose, upper surface less densely pubescent or glabrous, margins inconspicuously to moderately crenate or crenate-serrate, apex obtuse to acute, base obtuse to truncate, petioles copiously closely stellate pubescent, usually less than 1/2 as long as blades, stipules filiform, 5-8 mm long, early deciduous.
Flowers strongly fragrant, solitary, borne near the ends of the branches, pedicels copiously closely stellate pubescent, 2-3 cm long, articulate; involucral bracts 7-8, linear-lanceolate, 8-10 mm long; calyx tubular, (2-)3-4.5 cm long, lobes 8-15 mm long, tube usually splitting longitudinally in fruit; petals flaring, opening white in the morning, fading to pinkish in the afternoon, usually broadly obovate, (4-)9-13 cm long, adnate basally to the staminal column to form a tube (1.5-)3-6 cm long; staminal column exserted, reddish to crimson apically, up to 15 cm long; filaments arising in upper 1/2 of staminal column, spreading, up to 2.5 cm long.
Capsules cartilaginous, obovoid, apiculate, to 1.8-2.5 cm long, glabrous.
Seeds angular-reniform, ca. 4 mm long, brownish tomentose.
2n = 84*