Rubber rattan (Calamus ruber)

Rubber rattan or Daemonorops rubra (Calamus ruber) is a species of plant in the Arecaceae, a dense shrub, clumping, growing climbing up to 11 meters, cream colored stems, stem diameter with midrib up to 35 mm, diameter without midrib 12-16 mm, internode length 17- 32 cm, book height about 1.5 mm.

C. ruber has green leaf midribs, densely thorny, flat, bright yellowish green, 5 cm long and arranged like a comb. The climbing tool is in the form of a comb or ponytail, up to 80 cm long, stalk length 87 cm. The small knees are covered with flat spines and are yellowish green in color. Okrea is unclear.

Leaves are up to 3.5 meters long. The minor leaves are ribbon-shaped to oblong, irregularly pinnately arranged, 40-53 cm long and 2-4 cm wide. Fruit is round, 2 cm, scales brown or dark yellow.

This species grows in lowland primary forests up to an elevation of 1000 meters. Stems are used for furniture components and handicrafts.

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

Purwaceng (Pimpinella pruatjan)

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 ...

Six new species forming the Sumbana species group in genus Nemophora Hoffmannsegg 1798 from Indonesia

NEWS - Sumbawa longhorn ( Nemophora sumbana Kozlov, sp. nov.), Timor longhorn ( Nemophora timorella Kozlov, sp. nov.), shining shade longhorn ( Nemophora umbronitidella Kozlov, sp. nov.), Wegner longhorn ( Nemophora wegneri Kozlov, sp. nov.), long brush longhorn ( Nemophora longipeniculella Kozlov, sp. nov.), and short brush longhorn ( Nemophora brevipeniculella Kozlov, sp. nov.) from the Lesser Sunda Islands in Indonesia. The Lesser Sunda Islands consist of two parallel, linear oceanic island chains, including Bali, Lombok, Sumbawa, Flores, Sumba, Sawu, Timor, Alor, and Tanimbar. The oldest of these islands have been continuously occurring for 10–12 million years. This long period of isolation has allowed significant in situ diversification, making the Lesser Sundas home to many endemic species. This island chain may act as a two-way filter for organisms migrating between the world's two great biogeographic regions, Asia and Australia-Papua. The recognition of a striking cli...

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