Legi rattan (Calamus melanochaetes)

Legi rattan or Daemonorops melanochaetes (Calamus melanochaetes) is a species of plant in the Arecaceae, a dense shrub, climbing up to 30 meters, cylindrical stems, segments 30 cm long, green, full of spines up to 3.5 cm long and black.

C. melanochaetes has a dull brownish green sheath. The leaves are about 3.30 meters long. The petiole has black spines along the underside and edges. Leaflets have 70-80 units on each side, regular, narrow, about 45 cm long and 1.5 cm wide. The spines are long and slender.

Inflorescence up to 35 cm long, 12 cm wide and erect. The outer bract is dense with slender spines and is black in color. The fruit is round, 1-7 cm in diameter, covered with 18-21 vertical rows of brown scales. The seeds are round and slightly angular.

Legi rattan grows in the lowlands to elevations of 600 meters in the rainforest and often near the sea. The rods are generally used as raw materials for making tables, chairs and household crafts. Fruit is cooked to eat. Young shoots have a sweet taste and are usually served as fresh vegetables.

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Liliopsida
Order: Arecales
Family: Arecaceae
Subfamily: Calamoideae
Tribe: Calameae
Genus: Calamus
Species: Calamus melanochaetes

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Purwaceng or purwoceng or antanan gunung or Viagra of Java ( Pimpinella pruatjan or Pimpinella priatjan ) are small termas growing horizontally in Apiaceae, growing in villages on Dieng Plateau, Central Java Province, Indonesia, at 1,500 to 2,000 meters above sea level, the roots have medicinal properties for aphrodisiacs and are usually processed in powder form for a mixture of coffee or milk. P. pruatjan grows flat on the ground but does not propagate, small leaves are reddish green for 1-3 cm in diameter. This plant is only found in Java and grows in high mountain areas. A low population where industrial demand is very high results in increasingly scarce. Another place that is likely to become a purwaceng habitat is the Iyang Mountains and the Tengger Mountains in East Java Province. Efforts to multiply and cultivate have a big problem where these plants have difficulty producing seeds. In vitro propagation research through tissue cultivation has been carried out to overcome ...

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