Araceae
Alocasia

Alocasia zebrina G.W.Johnson & R.Hogg

First published in J. Hort. Cottage Gard. 28: 139 (1862)
This species is accepted
The native range of this species is Philippines. It is a subshrub and grows primarily in the wet tropical biome.

Descriptions

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

Distribution
Endemic to the Philippines- Luzon, Mindanao, Leyte, Samar, Biliran, Alabat.
Habitat
Rain forest at low to medium elevation.
General Description
Moderately robust to robust herb to 1.8 m tall; leaves several together, not interspersed with cataphylls save at the beginning of a sympodial module; petiole to 1.1 m long, sheathing in the lower third, pale green, obliquely streaked brownish and/or darker green; blade rather narrowly sagittate, ca. 45-100 cm long, rather coriaceous, rich glossy green; anterior lobe triangular to somewhat ovate, to 80 cm long, with ( 4-)6-10 primary lateral veins diverging from each side of the anterior costa at ea. 80-90° and running almost straight to the margin, bearing small axillary glands on the abaxial side; secondary venation flush with the lamina and inconspicuous on both surfaces of the blade, arising from the primary veins at a wide angle then deflected to the margin without forming interprimary collective veins; posterior costae diverging at an acute or right angle, bearing lamina to the sinus and often minutely peltate; posterior lobes elongate, three fifths to two thirds the length of the anterior lobe; inflorescences paired, not in large clusters; peduncle ea. 25 cm long; spathe 13-16 cm long; lower part 2.2-3 cm long, narrowly ovoid, separated from the limb by an abrupt constriction corresponding with the sterile interstice of the spadix; limb narrowly lanceolate, erect; spadix somewhat shorter than the spathe, stipitate for ea. 7 mm; stipe conic; female zone 1.4-2 cm long x ea. 8 mm wide; ovaries globose; stigma weakly lobed, subsessile; sterile interstice ea. 1 cm long, distally attenuate; male zone cylindric, ea. 3-4.5 cm long x 5 mm thick (dry); synandria rhombo-hexagonal, 1.5-2 mm diam., capped by synconnective; appendix distinctly narrower (at least in dry state) than male zone, 4.5-5 cm long, tapering; fruiting spadix globose, ea. 4.5 cm diam.
Vernacular
Badiang, Handuroi.
[CATE]

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: threatened. Confidence: confident
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • 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

    • 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 Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Science Photographs

    • Copyright applied to individual images