1. Family: Araceae Juss.
    1. Genus: Alocasia (Schott) G.Don
      1. Alocasia boyceana A.Hay

        This species is accepted, and its native range is Philippines.

    [CATE]

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

    Distribution
    Philippines, on Luzon, Cebu, Negros.
    Habitat
    Rain forest at low to medium elevation, sometimes on limestone.
    General Description
    Moderatly robust herb to ca. 60 cm tall; stem ca. 2 cm diam.; leaves few, ?1-3 together, often subtended by cataphylls; cataphylls papery, lanceolate, to ca. 11 cm long; petiole to ca. 45 cm long, sheathing in the lower third, sometimes maculate ; blade rather narrowly sagittate to narrowly hasto-sagittate, to ca. 35 cm long; anterior lobe to 24 cm long, ca. 11 cm wide at base, with 4-5 primary veins on each side of the anterior costa diverging at 45-80°; margin slightly undulate to entire; primary lateral veins somewhat prominent adaxially and abaxially, with incospicuous glands in the axils on abaxial side; secondary veneration arising from the primary at ca. 70-90° then deflected marginally, not or hardly forming interprimary collective veins; posterior lobes slender, about half the length of the anterior; posterior costae diverging at an obtuse (hastate) to acute (sagittate) angle, naked in the sinus for 1-2 cm; inflorescences paired or solitary; peduncle to ca. 20 cm long; spathe ca. 7.5 cm long; lower spathe ca. 2 cm long, ovoid, seperated from the limb by a strong constriction; limb lanceolate, reflexed; spadix somewhat shorted than the spathe, stipitate for ca. 4 mm with the stipe partly adnate to merely obliquely inserted on the soathe; female zone 6-8 mm long; pistils subglobuse, ca. 1.5 mm diam.; stigma subsessile, rather sharply 3-4 lobed; sterlie interstive about equaling the female zone, tapering distally, its top corresponding with spathe costriction; male zone ca. 12 mm long, clylindric, ca. 5 mm diam.; synandria rhombo-hexagonal, ca. 1 mm diam., opening by apical pores not overtopped by the synconnective; appendix 1.5-1.7 cm long, tapering, composed of irregularly sinuate staminodes, slightly narrower than to equalling the make zone in thickness; infructescence broadly ovoid, ca. 2.4 cm diam.
    Diagnostic
    With a stipitate spadix, sharply lobed stigmas and cataphylliferous stem with few leaves,

    Images

    Distribution

    Native to:

    Philippines

    Alocasia boyceana A.Hay appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1997 Whitford, H.N. [1362], Philippines K000400139

    First published in Gard. Bull. Singapore 51: 9 (1999)

    Accepted by

    • 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. 1999. The genus Alocasia (Araceae-Colocasieae) in the Philippines. Gardens Bull. Singapore. 51: 1 - 41.

    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

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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