Typhonium trilobatum (L.) Schott

First published in Wiener Z. Kunst 3: 72 (1829)
This species is accepted
The native range of this species is India to S. China and Malaya. It is a tuberous geophyte and grows primarily in the wet tropical biome.

Descriptions

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

Vernacular
ma ti li tou jian
General Description
Underground part a short, tuberous rhizome, subglobose or subcylindric, producing few annual offsets or splitting up. Petiole green or variously flushed with purple, 25–40cm; leaf blade cordate-ovate in outline, usually deeply 3-lobed, rarely 5-lobed; central lobe ovate, 10–15 × 6–11cm, acuminate, sometimes mucronate; lateral lobes 8–13cm. Inflorescence appearing after leaves; peduncle 5–10cm, elongating in fruit. Spathe convolute at base, outside green, inside green, to 30cm, ovoid or ellipsoid, 2.5–3.5 × 1–1.5cm, constricted at apex; limb spreading, outside green, inside dark purple to reddish purple, ovate-lanceolate, ca. 15 × 5–8cm, apex acuminate. Spadix shorter than spathe; female zone slightly conic, 7–10mm; ovary yellowish green; stigma sessile, dark or mid-purple, disciform; sterile zone 2–3cm, proximal half densely covered with staminodes, distal half naked; staminodes strongly curled but mostly directed downward and covering most of female zone, filiform, 7–12mm; male zone 1.5–2cm; stamens pink; appendix shortly stipitate, glossy purple or reddish, narrowly conic, 5–12cm × 4–7mm, base truncate, apex acute or subacute. Fruiting zone with spathe remaining; berries at first green with purple spots, white when mature, ellipsoid, 1- or 2-seeded.
Phenology
Fl. May–Jul.
Habitat
Tropical secondary forests, thickets, grasslands, roadsides.
[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: not 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