Merkus pine (Pinus merkusii)

Tusam or gondorukem or Sumatran pine or Merkus pine (Pinus merkusii) is a species in Pinaceae, 25-45 meters high and 1 meter in diameter. Orange-red-brown bark, thick, cracked at the base of the stem, thin and scaly in the upper crown.

P. merkusii is endemic to Sumatra and the only natural distribution of members of Pinaceae in the southern part of the Equator. Most grow at an altitude of 400-1,500 meters, but sometimes at 90 meters and 2,000 meters. This tree generally covers the entire canopy in a large area.

The leaves are needle-shaped and paired, 15-20 cm long, less than 1 mm thick and green or yellowish in color. Woody cones have a length of 5-8 cm and a width of 2 cm at the base when closed, green but with aging will turn red-brown shiny.

Cones will open to 4-5 cm wide at maturity to release seeds in all directions. The seeds have 5-6 mm length and 15-20 mm wings to fly riding the wind. Tusam has separate male and female genital organs but in one individual.

Sumatran pine naturally dominates mountain tropical forests in Indonesia, but is widely cultivated in a number of places in Java and Sumatra to harvest sap on the stem as a raw material for turpentine and gondorukem or resina colophonium.

Kingdom: Plantae
Phylum: Tracheophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Pinus
Subgenus: Pinus
Section: Pinus
Species: Pinus merkusii

Cockspur coral tree (Erythrina crista-galli)

Velvet coral tree or cockspur coral tree ( Erythrina crista-galli ) is a species of plant in the Fabaceae family. It is a small tree, 5-8 meters tall, with a trunk circumference of about 50 cm, irregular branches, light wood, and fissured, soft, and light brown bark. The taproot is white. The leaves are ovate, with three strands, dark green and glossy on the upper surface, and pale green on the underside. The central lobe is up to 17 cm long and up to 11 cm wide. The left and right lobes are up to 15 cm long and up to 10 cm wide. The flowers are red, arranged in racemes, at the apex, pentameric, complete, and bilaterally symmetrical. The flowers are up to 6 cm long and 4 cm wide. The pods are long, containing about 8 seeds, green when young and turning brown as they mature. The seeds are ovate, flat, and brown. It grows well in lowlands up to an elevation of 1,500 meters, with an annual rainfall of 800-1,500 mm/year, and a temperature of 20-32°C. It thrives in well-drained soils, but...

Porang (Amorphophallus muelleri)

Porang or iles-iles ( Amorphophallus muelleri ) is a plant species in Araceae, the petiole is a pseudo stem with a height of 40-180 cm, 1-5 cm in diameter, round, green or purple with irregular white spots, each branching point grows brown bulbil and yellow bulb. A. muelleri has all leaves or stems or stems that are light green to dark green or gray and has greenish-white patches, smooth or smooth surface. The leaves are elliptical in shape with pointed leaf tips, smooth and wavy surface. When flushing has 3, 4-5, 5-6 and finally 6 minor leaves branching with 3 minor petioles. Young leaves have light purple or green edges and will end in yellow and 0.3-0.5 mm wide. The whole canopy is 50-150 cm wide. The stems grow above the tubers with a diameter of 25-50 mm and a height of 75-175 cm. Tubers have a brownish yellow or gray color on the outer surface and brownish yellow on the inside, are slightly oval in shape, fibrous roots, weigh 450-3350 grams, smooth tissue, 4-5 months of dormanc...

Serrated pimpernel (Lindernia glandulifera)

Serrated pimpernel ( Lindernia glandulifera ) is a species of plant in the Linderniaceae family, erect, 8-9 cm long.and white roots. The stems are cylindrical or angular or curved inward. The stems green or dark red or reddish brown. The leaves are opposite, green or dark red or brown, oval or oblong, up to 3 cm long, up to 1 cm wide and serrated margins. The flowers are white and blue, 0.6-0.7 cm wide. This plant grows in colonies in karst areas, clay soils, and areas that are sometimes flooded. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Lamiales Family: Linderniaceae Genus: Lindernia All. in Auct. Syn. Meth. Stirp. Hort. Regii Taur. 3: 178 (1766) Species: Lindernia glandulifera (Blume) Backer in Onkruidfl. Jav. Suikerrietgr.: 616 (1930) VERNACULAR NAME English: Serrated pimpernel Indonesia: Tapak gergaji Java: Tapak graji Aryo Bandoro Dlium TheDlium Web: https://www.dlium.com YouTube: https://www.youtube.com/@Dlium

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