Alocasia sinuata 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Liliopsida Arales Araceae

Scientific Name: Alocasia sinuata N.E.Br.
Common Name(s):
English Alocasia Quilted Dreams
Alocasia bullata Hort. [nom. inval.]
Taxonomic Notes: Hay (1999) reported that the species is botanically poorly known.  The species was described by Brown in 1885 from cultivated specimens which were believed to have been collected from the Philippines originally.  The species is widely cultivated in the US, Australia and Europe. It can be easily distinguished from other species due to its short height, eight to 10 leaves crowded together and markedly bullate and thickly coriaceous blades.   

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(ii,iii,v) ver 3.1
Year Published: 2008
Date Assessed: 2008-01-01
Assessor(s): Medecilo, M.P. & Ong, R.G.
Reviewer(s): Madulid, D.A. & Agoo, E.M.G.(IUCN SSC Philippine Plant Red List Authority)
Alocasia sinuata is confined to limestone forests of Ilijan (Brgy. Osmeña), Marabot, Samar near the beach area.  The area is not protected and the limestone forests are privately owned by beach resorts.  First class hotels and beach resorts surround the forest. The species is a very beautiful ornamental plant; although during the visit, no collection for ornamental purposes was observed. The conversion of forest to resorts threatens the continued existence of this species in the wild.

Geographic Range [top]

Range Description:

Occurs on Samar Island (Philippines) at  Marabot. It is located at 11º11'47'' N longitude and 125º10'52'' E latitude at a low altitude of 43 m asl.   

Countries occurrence:
Additional data:
Number of Locations:1Continuing decline in number of locations:Yes
Upper elevation limit (metres):43
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:A. sinuata was introduced into cultivation in international nurseries and gardens over a century ago, but since then the species has only been recordedonce in the wild at the location in Samar.
Current Population Trend:Decreasing
Additional data:
All individuals in one subpopulation:Yes

Habitat and Ecology [top]

Habitat and Ecology:

A. sinuata is found in limestone forests at very low altitude near the beach.

Continuing decline in area, extent and/or quality of habitat:Yes

Use and Trade [top]

Use and Trade: A. sinuata is used as ornamental plant. 50% of the total population is utilized.

Threats [top]

Major Threat(s):

The major threat to the species is the conversion of the habitat to beach resorts.  During the assessment, collection of the species in the wild was not observed but a few individuals were seen growing in gardens in the area, hence low level collecting may still be an issue..

Conservation Actions [top]

Conservation Actions: No conservation actions are currently in place and hence attempts are required to put some measures in place to ensure the future survival of this species in the wild.

Citation: Medecilo, M.P. & Ong, R.G. 2008. Alocasia sinuata. The IUCN Red List of Threatened Species 2008: e.T133708A3873501. . Downloaded on 28 May 2018.
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