Flora of the Hawaiian Islands
Literature for Clermontia oblongifolia
Wagner et al., 1990, 1999. Literature for Clermontia oblongifolia subsp. brevipes
Lammers, 1991. Literature for Clermontia oblongifolia subsp. mauiensis
Lammers, 1991. Literature for Clermontia oblongifolia subsp. oblongifolia
Lammers, 1991.
   Campanulaceae -- The Bellflower Family Bibliography
      Clermontia oblongifolia
General Information
Terrestrial shrubs or trees 2-7 m tall.
Leaves oblong, elliptic, or lanceolate, blades 7-19 cm long, 2-5 cm wide, upper surface dark green, glossy, glabrous, lower surface whitish green, glabrous or pubescent, margins callose-crenulate, apex obtuse, acute, or acuminate, base cuneate to attenuate, petioles 1.8-11.5 cm long.
Inflorescences 2(3)-flowered, peduncles spreading, 5-45 mm long, pedicels 10-45 mm long; hypanthium hemispherical to obconical, 10-13 mm long, 10-13 mm wide; perianth greenish white or purplish externally, white or cream within, arcuate, distinctly tubular, 50-65 mm long, 10-13 mm wide, glabrous, the lobes (except the dorsal) erect or spreading slightly, 1/4-1/3 as long as the tube; staminal column white or purple, glabrous; anthers white or purple, glabrous or sparsely pubescent.
Berries orange, subglobose, 17-30 mm long.
2n = 28*; the count of 2n = 22* (Carlquist, 1956) is probably an error.