Flora of the Hawaiian Islands
Dicotyledon Literature for Polyscias sandwicensis
Wagner et al., 1990, 1999.
   Araliaceae -- The Ginseng Family Bibliography
      Polyscias sandwicensis
General Information
DistributionIn the Hawaiian Islands, endemic to Ni`ihau, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.
















Click here for detailed USGS map by Jonathan Price
Habit
Trees up to 20(-30) m tall, with a straight trunk and spreading crown, branch ends thick, nearly fleshy, densely short-tomentose.
Leaves
Leaves deciduous in dry season, 20-35 cm long, leaflets medium or yellowish green on upper surface, lower surface lighter, shiny, broadly ovate to oblong or ovate-lanceolate, 7-10 cm long, margins crenate to serrate, apex acute to obtuse, base cordate to truncate, juvenile leaves simple or with 3-5 shallowly incised leaflets.
Flowers
Inflorescences paniculate-racemose, glabrous or sparsely stellate pubescent, the ultimate units racemules, peduncles stout, (3-)5-30 cm long, pedicels spreading, 2-10 mm long; buds greenish, often turning orangish purple before anthesis; petals greenish yellow, often tinged orange to purple externally, fleshy, caducous, linear-lanceolate, 5-8 mm long, acute, strongly recurved at anthesis, occasionally connate in groups of 2(3); filaments greenish yellow, ascending to spreading, ca. 4 mm long; anthers dark yellow, versatile, ca. 3 mm long; ovary 8-10(-12)-carpellate, disk bright yellow, often tinged reddish purple, especially below.
Fruit
Fruit dark purple, 6-8 mm in diameter, disk flat-topped to low conical, stylopodium 1-2 mm high.
Seeds
Pyrenes smooth.