Alocasia sanderiana W.Bull

First published in Nursery Cat. (William Bull) 199: 11 (1884)
This species is accepted
The native range of this species is Philippines (Mindanao). It is a subshrub and grows primarly in the wet tropical biome(s).

Descriptions

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

Habitat
Old forest in damp ravines at low elevation.
General Description
Moderately robust herb to 60 cm tall; stem decumbent to creeping, ca. 15 cm long, ea. 2 cm thick; leaves solitary to few together, interspersed with cataphylls (precise arrangement unclear from herbarium material); cataphylls papery, narrowly lanceolate; petiole to 60 cm long, sheathing in lower fifth to quarter; blade sagittate, deep glossy green adaxially, purple abaxially (?always), peltate for 25-30% of the length of the posterior lobes, to ea. 40 cm long x 20 cm wide; margin deeply undulate to sub-pinnatifid; anterior lobe to 24 cm long; anterior costa with 3-4 often but not always opposite primary lateral veins on each side diverging at ca. 80-100°, these somewhat acropetally deflected towards the tip of each segment; primary veins and costae white to yellowish; secondary veins emerging from the primary at a wide angle, thence deflected marginally, not or hardly forming interprimary collective veins; inflorescence mostly paired; peduncle slender, ea. 14-18 cm long; spathe 6-10 cm long, lower part 1.5-2 cm long, ovoid; limb 4-8 cm long, more or less canoe-shaped; spadix somewhat shorter than to half the length of the spathe, stipitate for ea. 5 mm; female zone ea. 1 cm long; ovaries ea. 2 cm diam., subglobose; stigma sessile, rather sharply 3-4-lobed; sterile interstice corresponding to spathe constriction, ea. 5 mm long, tapering distally; male zone 1.2 cm long, ea. 4-5 mm thick (dry); synandria rhombo-hexagonal with the thecae ventrally but hardly laterally joined; synconnective centrally impressed, marginally slightly exceeding but not capping the thecae; appendix short, equalling the male zone, cylindric then abruptly tapering in distal 3-4 mm, slightly narrower than male zone (dry).
Distribution
Endemic to Mindanao.
[CATE]

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

    • 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 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 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 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0