Metroxylon amicarum


Family: Arecaceae

English name: Ivory Nut Palm

Pohnpeian name: Oahs (Ohs)

Chuukese name: Foun Rüpwung

Kosraen name: None

Yapese name: None

Location collected: Nanmand area.

Date collected: 27 November1998

Collected by: Jenson Santos

Vegetative characteristics:

Habit: Terrestrial; usually found in wet, swampy areas and river sides. Found only on Pohnpei and Chuuk.

Leaf shape and morphology: Leaves are large (25-30ft) in length. Divided once; leaflets are linear and parallel veined (3-4ft. long), even pinnately compound. Leaflets pointing posterior arranged dorsally, unlike coconut palm that has its leaves arranged laterally. Entire but sharp leave margins.

Stem type: Woody (lignified) stem often grows to heights 80 feet (25m) or more. Prickly, large stem 3-5ft. in diameter. Young ones are pubescent.

Floral characteristics: Flowers on large inflorescence branches located axillary. Flowers are produced regularly which enables it to constantly bear fruits.

Fruit: Round (4-6in., 10-15cm) in diameter. Fruit skin (exocarp) is scalelike. Fibrous mesocarp; white meat (endosperm) covering embryo. Embryo is soft when young and hardens when old.

Uses: Ivory leaves are a main source of roof thatch on Pohnpei. The fruit (white meat) is eaten by pigs and shrimps. Young leaves and stem cork (phellem) are important sources of local medicine.

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