Pritchardia kaalae Rock, Mem. Bernice Pauahi Bishop Mus. 8: 46 (1921)

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Distribution

Map uses TDWG level 3 distributions (https://github.com/tdwg/wgsrpd)
Hawaii present (World Checklist of Arecaceae)B
Moist forest in valleys or on exposed ridges in the northern and northwestern Waianae Mountains, Oahu, 450--980 m elevation. (Hodel, D. 2007. A Review of the Genus Pritchardia. Palms 51(4): Special Supplement S 1-53.)A

Discussion

  • Among the Hawaiian species, Pritchardia kaalae is distinctive in its leaf blades incompletely covered abaxially with lepidia and inflorescences equaling or exceeding the leaf blades in flower and exceeding them in fruit. The other Hawaiian species with exceedingly long inflorescences, P. hardy; and some forms of P. martii, differ in their leaf blades compietely covered abaxiaily with lepidia. Pritchardia thurstonii, a South Pacific species, has leaf blades incompletely covered abaxially with lepidia and inflorescences exceeding the leaf blades; however, it differs in its flat leaf blades only shallowly divided and with stiff segment tips, lepidia conspicuously arranged in parallel lines, and smaller fruits. (Hodel, D. 2007. A Review of the Genus Pritchardia. Palms 51(4): Special Supplement S 1-53.)A

Description

  • To 10 m tall; proximal margins of petioie with only a few fibers; ieaf blade slightiy undulate, divided 1/3-1/2, abaxial surface incompieteiy covered with scattered lepidia, segment tips stiff to drooping; inflorescences composed of 1-3 panicles, equaling to exceeding leaf blades in flower, exceeding leaf blades in fruit, panicles branched to 2 orders, rachiIlae glabrous; fruits 25 x 25 mm, globose. (Hodel, D. 2007. A Review of the Genus Pritchardia. Palms 51(4): Special Supplement S 1-53.)A

Materials Examined

  • U.S.A. Hawaii. Oahu: Rock s. n. (BISH); Waianae Mts., Makaleha Valley, Bishop 1211 (HAW), Rock 17250 (BISH); MakuaKeaau forest Reserve, Wood 300 (PTBG); Puu Kaiena, Wood 1566 (PT BG); Makua-Makaha Ridge (Ohikilolo), Bishop 1200 (HAW); Landgraf 25 (BISH). CULT. U.S.A. Hawaii. Oahu: Waimea Valley Audubon Center, 90s264, Zona 1008 (HAW). Kauai: Nationai Tropical Botanical Garden, NTBG 950531.001, Chapin 16 (PTBG); Pacheco 1 (PTBG). (Hodel, D. 2007. A Review of the Genus Pritchardia. Palms 51(4): Special Supplement S 1-53.)A

Bibliography

    A. Hodel, D. 2007. A Review of the Genus Pritchardia. Palms 51(4): Special Supplement S 1-53.
    B. World Checklist of Arecaceae