According to Kew Species Profiles[KSP]
- General Description
Adonidia maturbongsii is a solitary palm recently discovered on Biak Island in Indonesia and considered to be Endangered.
A solitary palm recently discovered on Biak Island in Indonesia, Adonidia maturbongsii is named in honour of Rudi Maturbongs (Universitas Negeri Papua), who collected the first herbarium specimens of the species, in recognition of his contributions to the study of palms in Biak.
Known locally as manjek, this palm was described by Kew scientist William Baker and Charlie Heatubun (Universitas Papua, Indonesia) in 2012.
- Species Profile
Geography and distribution
Adonidia maturbongsii is restricted to Biak Island (Papua, Indonesia), where it has been found at 80–170 m above sea level.
Overview:Solitary, mid-storey to emergent palm.
Stem:Brown with white blotches and prominent leaf scars, 10–15 m tall, 10–20 cm in diameter, tapering towards the apex.
Leaves: Forming a crown of about ten arching leaves. Sheath up to 70 cm long, pale, dull green forming crownshaft (conspicuous cylinder formed by tubular leaf sheaths at the top of the stem) up to 90 cm long. Petiole (leaf stalk) up to 45 cm long. Each leaf divided into 25–30 pairs of leaflets. Leaflets are borne in a single plane and are broad and pendulous with wide concave tips.
Inflorescence: 60–70 cm long, branched to four orders, axes white, rubbery. Buds in triads (clusters of three), spirally arranged.
Male flowers:About 7 mm long with 30–32 stamens (male organs).
Female flowers: About 5 mm long with only a few, minute, tooth-like staminodes (sterile stamens). Gynoecium (female element) pear-shaped.
Fruits: About 3 cm long, ellipsoid, ripening through orange to red.
Seeds: About 2 cm long, ellipsoid.
Threats and conservation
Adonidia maturbongsiiis threatened by ongoing forest degradation. It is protected in the North Biak Nature Reserve.
The stem is used locally for flooring and pillars in traditional houses.
This species at Kew
Dried specimens of Adonidia maturbongsiiare held in Kew’s Herbarium, where they are available to visitors from around the world, by appointment.
- Lowland forest on limestone.
- Endangered (EN) according to IUCN Red List criteria.
Manjekia maturbongsii (W.J.Baker & Heatubun) W.J.Baker & Heatubun appears in other Kew resources:
First published in Kew Bull. 69(3)-9525: 10 (2014)
-  Baker, W. J. & Heatubun, C. D. (2012). New palms from Biak and Supiori, western New Guinea. Palms 56: 131–150.
International Plant Names Index
The International Plant Names Index (2016). Published on the Internet http://www.ipni.org
[A] © Copyright 2016 International Plant Names Index. https://creativecommons.org/licenses/by/3.0
Kew Species Profiles
Kew Species Profiles
World Checklist of Selected Plant Families
World Checklist of Selected Plant Families(2016). Published on the Internet http://apps.kew.org/wcsp/
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[E] © Copyright 2016 International Plant Names Index and World Checkist of Selected Plant Families. https://creativecommons.org/licenses/by/3.0