Flora of the Hawaiian Islands
Dicotyledon Literature for Claoxylon sandwicense
Wagner et al., 1990, 1999.
   Euphorbiaceae -- The Spurge Family Bibliography
      Claoxylon sandwicense

Common name(s): laukea (Kaua`i), po`ola
General Information
DistributionIn the Hawaiian Islands, endemic to Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Click here for detailed USGS map by Jonathan Price
Small, soft-wooded, monoecious shrubs or trees 2-5(-6) m tall, usually few-branched, young shoots tomentose with simple hairs.
Leaves oblong, oblanceolate, or narrowly obovate to elliptic, rarely lanceolate, (4-)9-24(-27) cm long, (2-)4-7(-10) cm wide, upper surface sparsely appressed pilose to glabrous, becoming scabrous when dried, lower surface tomentose to moderately or sparsely appressed pilose, especially on the veins, sometimes glabrous, margins serrate, the teeth callous-tipped, apex obtuse, acute, or acuminate, base cuneate or sometimes attenuate, petioles (1-)2-5(-7) cm long, stipules minute, quickly deciduous.
Flowers solitary or in clusters, the axis (2-)7-12 cm long; male flowers in clusters of 2-4, on pedicels 4-7 mm long, calyx (2)3(4)-lobed, very broadly ovate to suborbicular, 5-7 mm long, usually densely appressed pilose, sometimes only sparsely so, stamens numerous, 100-200 or more, nectary disk and glands absent; female flowers solitary, on pedicels 3-10 mm long, calyx 3-lobed, the lobes triangular, 1.5-2 mm long, enlarging to 2-2.8 mm long in fruit, usually densely appressed pilose, sometimes only sparsely so, ovary pubescent toward apex or sometimes nearly throughout, becoming glabrate.
Capsules depressed-globose, ca. 5 mm long, 6-6.5 mm in diameter, deeply 3-grooved.
Seeds globose, rugose.
2n = 44*