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Javan pinang (Pinanga javana)

Pinang Jawa or Javan pinang (Pinanga javana) is a species of plant in Arecaceae, stems erect, 4-10 meters high, 10-15 cm in diameter, 10-30 cm in segments, the surface of the stem is green or brownish green, smooth, slightly longitudinally slit. The crown axis is elongated, 150-200 cm long, 25 cm in diameter, swollen, purplish brown with brown scales and grows at an elevation of 800-1700 meters.

P. javana has 10 leaves on the crown, pinnate, full length 250-300 cm with silvery indumentum on petiole and rachis. Midrib up to 100 cm, stalk up to 30 cm, concave at the adaxial and convex at the bottom.

Dlium Javan pinang (Pinanga javana)


Rachis diameter 3 cm. Leaflets 10-15 items on each side of the rachis, regularly arranged, slightly curved, longitudinally linear-lanceolate, falcate-sigmoid, equidistant, basal leaflet 65-95x1-6 cm and 1-3 ribs, middle leaflet 70-115x2.7 cm and 1-3 ribs, apical leaflets 19-55x1.5-7.5 cm and 2-7 ribs.

Infrafoliar inflorescences, like hands, pendulous spreading, 40-50 cm long, peduncle erect at base, flattened, 9-16 cm long, 0.8-1.5 cm thick. Racillae 8-13 items, arranged alternately, 23-35 cm at base with 19-21 triads, at apex 18-27 cm with 15-17 triads, peduncle, rachis and racillae green when young or bright red with age.

The petals and crown are cream in color and the ovary is green. Petals cup-shaped, 3 sepals, imbricate, broad orbicular, 6-8x4-4.5 mm, smooth, thick in the middle, thin on the sides with ciliated edges, apex mucronate. Corolla with 3 ciliate petals, cucullate round, 4-6x3-4 mm, apex mucronate-blunt.

Fruit ovate to ellipsoidal, 20-26x11-14 mm, pale light yellow or red when young, dark red when ripe then black, dense fibrous pericarp, thin endocarp, membrane. Seeds ovate to ellipsoidal, 18-21x10-13 mm, deep rumination.





Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Liliopsida
Order: Arecales
Family: Arecaceae
Subfamily: Arecoideae
Genus: Pinanga
Species: Pinanga javana

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