1. Family: Araceae Juss.
    1. Genus: Alocasia (Schott) G.Don
      1. Alocasia suhirmaniana Yuzammi & A.Hay

        This species is accepted, and its native range is SE. Sulawesi.

    [CATE]

    CATE Araceae, 17 Dec 2011. araceae.e-monocot.org

    Diagnostic

    Ab Alocasia longiloba sens. latiss. petiolo puberulo, spathae lamina extus atropurpurea, stigmatis rotunde lobatis, synconnectivis ad margines leviter expansis differt.

    Distribution

    Indonesia, SE Sulawesi, known only from the type locality and Tolala.

    General Description

    Terrestrial herb; rhizome 13–15 cm long; leaves 1 to 3 together; petiole to c. 60 cm long, sheathing in the lower c. 1⁄5 –1⁄4 , yellowish green, densely longitudinally and obliquely mottled purple-brown, minutely and densely puberulous, subtended by papery membranous cataphylls; blade broadly ovato-sagittate (shield-shaped), peltate, pointed down, thinly leathery, with the margin slightly undulate, glossy dark green adaxially with the major venation pale grey-green, dark purple abaxially; anterior lobe to c. 35 cm long × 10–24 cm wide, widest about 1⁄4 of the way distally from the junction with the petiole, the tip broadly acute to obtuse, shortly apiculate; anterior costa with up to 8 primary lateral veins on either side, the proximal ones diverging at 70–80°, the distal ones at c. 45°, with conspicuous purple glands in their axils abaxially; primary veins of anterior lobe each with 1–3 subsidiary veins thicker than, but running the same course as, the secondary venation; secondary venation inconspicuous, forming undulating intercostal collective veins; costae and primary veins prominent both adaxially and abaxially; posterior costae diverging at c. 35–45°; posterior lobes about 1⁄2 to 2⁄3 the length of the anterior, joined for c. 1⁄2 to 2⁄3 of their their length, the tips acutely rounded. Inflorescences paired, subtended by papery membranous cataphylls to c. 11 cm long; peduncle to 24 cm long; minutely puberulous in the upper part, purple brown; spathe c. 12.5 cm long, deep purple, slender, glabrous, abruptly constricted at c. 2 cm from the base; lower spathe subcylindric; limb narrowly lanceolate; spadix somewhat shorter than spathe, c. 10 cm long, slender, very shortly stipitate for 4 mm, stipe ivory; female zone c. 1.2 cm long, c.1 cm wide at the base, with c. 96 pistils; ovaries greenish yellow, unilocular; stigma bluntly 2–4-lobed, subsessile, yellow; interstice of sterile organs c. 0.5 cm long, narrowed level with the spathe constriction to c. 4 mm diam.; lowermost synandrodia strongly lobed, the rest rhombohexagonal, c. 1.5 mm diam.; male zone c. 2 cm long, 1 cm diameter, cylindric; synandria rhobohexagonal, the tops deeply impressed, c. 2 mm across, yellowish ivory; thecae opening by apical pores laterally displaced by lobed overgrowth of the synconnective; appendix c. 6 cm, 8 mm diameter at the base, yellowish, the interface with the male zone slightly constricted, the rest cylindric, somewhat rugose in the lower half, tapering in the upper third; fruit unknown.

    Habitat

    In damp shady spots in lowland rainforest on slopes. Kjellberg 2428 on limestone at sea level.

    Distribution

    Native to:

    Sulawesi

    Alocasia suhirmaniana Yuzammi & A.Hay appears in other Kew resources:

    First published in Telopea 7: 303 (1998)

    Accepted by

    • Kurniawan, A., Adjie, B. & Boyce, P.C. (2011). Studies on the Araceae of Sulawesi I: New taxa of Schismatoglottis and Homalomena, and a preliminary checklist and keys for Sulawesi Acta Phytotaxonomica et Geobotanica 61: 40-50.
    • Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    CATE Araceae
    • , & Hay, A. Alocasia suhirmaniana (Araceae–Colocasieae) — a spectacular new aroid from Sulawesi, Indonesia. Telopea; Contributions from the National Herbarium of New South Wales 7, 306 (1998).

    Sources

    CATE Araceae
    Haigh, A., Clark, B., Reynolds, L., Mayo, S.J., Croat, T.B., Lay, L., Boyce, P.C., Mora, M., Bogner, J., Sellaro, M., Wong, S.Y., Kostelac, C., Grayum, M.H., Keating, R.C., Ruckert, G., Naylor, M.F. and Hay, A., CATE Araceae, 17 Dec 2011.
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0