1. Family: Araceae Juss.
    1. Genus: Alocasia (Schott) G.Don
      1. Alocasia perakensis Hemsl.

        This species is accepted, and its native range is S. Pen Thailand to Peninsula Malaysia.

    [CATE]

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

    Distribution

    S. Peninsular Thailand, Peninsular Malaysia (Type).

    General Description

    Semi-erect to decumbent, evergreen herb to ca 75 cm tall. Stem creeping to decumbent, somewhat elongate. Leaves several along the stem, irregularly interspersed with lanceolate cataphylls to 8 cm long, drying red-brown; petiole to ca 40 cm long, sheathing in the lower 1/3, grey-green to purple-brown; leaf blade ovate to elliptic, peltate, coriaceous to thickly coriaceous and subsucculent, dark green to grey-green, apex broadly acute, acuminate for ca 1.5 cm, the margin mostly entire, occasionally somewhat sinuous in the lower part; primary lateral veins 2–3(–4) on each side of anterior costa, running to a submarginal vein ca 1 mm from the margin; secondary venation not forming interprimary collective veins, mostly inconspicuous but, like primary venation, adaxially impressed in dry state in thickly coriaceous leaves, posterior lobes completely united except for a shallow retuse notch, rarely with an acute notch to ca 1 cm deep. Inflorescence solitary to paired; peduncle about half to subequalling the length of the petiole; spathe ca 6 cm long; lower spathe ovoid, ca 3 cm long; spathe limb narrowly ovate, ca 3 cm long, at first erect, then reflexed, greenish white; spadix shorter than spathe, ca 5 cm long, stipitate for 4 mm; pistillate flower zone ca 7 mm long; ovaries globose, ca 2.5 mm diam.; style 1.5 mm long; stigma prominently 2–3-lobed; sterile interstice ca 2.5 mm long, a single whorl of synandrodia; staminate flower zone 1.5 cm long, entirely within the lower spathe chamber, conical, ca 8 mm diam. at base narrowing to 5 mm at apex corresponding with spathe constriction; synandria 3–5–merous, ca 4 mm diam., more or less hexagonal; appendix narrowly cylindrical, ca 2.5 cm long, 4 mm diam., deeply grooved, white to yellowish. Fruiting spathe ovoid, ca 4 cm long; fruit an ellipsoid berry ca 1 × 0.4 cm, ripening bright red.

    Habitat

    In montane forests, in leaf litter and on rocks, 1100–1525 m asl.

    Images

    Distribution

    Native to:

    Malaya, Thailand

    Alocasia perakensis Hemsl. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Feb 1, 1998 Wray, L. [29], Peninsular Malaysia K000291362 holotype
    Feb 1, 1998 Wray, L. [29], Peninsular Malaysia K000291363 holotype
    Feb 1, 1998 Wray, L. [s.n.], Peninsular Malaysia K001067597

    First published in J. Bot. 25: 205 (1887)

    Accepted by

    • Boyce, P.C., Sookchaloem, D., Hetterscheid, W.L.A., Gusman, G., Jacobsen, N., Idei, T. & Nguyen, V.D. (2012). Flora of Thailand 11(2): 101-325. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok.
    • Mansor, M., Boyce, P.C., Othman, A.S. & Sulaiman, B. (2012). The Araceae of peninsular Malaysia: 1-146. Penerbit Universiti Sains Malaysia.
    • Boyce, P.C. (2008). A review of Alocasia (Araceae: Colocasieae) for Thailand including a novel species and new species records from south-west Thailand Thai Forest Bulletin (Botany) 36: 1-17.
    • 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.
    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

    Literature

    Kew Backbone Distributions
    • Boyce, P.C. (2008). A review of Alocasia (Araceae: Colocasieae) for Thailand including a novel species and new species records from south-west Thailand Thai Forest Bulletin (Botany) 36: 1-17.

    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