Alocasia longiloba (PROSEA)

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Plant Resources of South-East Asia
List of species

Alocasia longiloba Miq.

Protologue: Bot. Zeit. 14: 561 (1856); Fl. Ned. Ind. 3: 207 (1856).


Alocasia lowii Hook. (1863), Alocasia denudata Engl. (1879), Alocasia watsoniana Masters (1893).

Vernacular names

  • Malaysia: birah kijang, birah hitam, keladi rimau (Peninsular)
  • Thailand: klaa-dee kae-la (Malay, Pattani), kaeo naamaa (Bangkok), ka choh nok (Ranong)
  • Vietnam: ráy, thùy dài, ráy lá dài.


Indo-China, Thailand, Peninsular Malaysia, Sumatra, Java, Borneo and Sulawesi.


In Malaysia, the sap is used in dart poison, as an addition to really active poison. A. longiloba is planted as ornamental.


A small to large herb up to 150 cm tall, with rhizome up to 60 cm long and up to 8 cm in diameter; leaves usually peltate, 25-65(-85) cm × 14-40 cm, petiole often strikingly obliquely mottled chocolate brown; spadix 6-13 cm long. A. longiloba occurs in rain forest and swamp forest at low and medium altitudes, sometimes up to 2000 m, but also in regrowth and on exposed cliffs and ravines.

Selected sources

121, 325, 331.

Main genus page


Hadi Sutarno