Skip to main content

Giant bamboo (Dendrocalamus asper)

Petung or betung or dragon bamboo or giant bamboo (Dendrocalamus asper) is a plant species in Poaceae, has a large and strong, has a high adaptability, is used for building materials and structural wood for construction and shoots are cooked for vegetables.

D. asper grows in clumps, purplish black buds, covered by blackish brown velvet. Height of 20 m with curved ends, section length of 40-50 cm, diameter 12-20 cm and thickness of 1-4 cm. The color green or dark green or purplish green or whitish green or laced with white spots.

Dlium Giant bamboo (Dendrocalamus asper)

The boundaries of the segment are surrounded by hanging roots, 50x25 cm reed midribs, covered by blackish brown velvet, rounded ears and sometimes curled up to the base of the reed fronds, 7 mm high with velvety blades up to 5 mm. Irregular jagged ligula, height 7-10 mm with short velvets up to 3 mm.

The leaf fronds are triangular with the base narrowed and hugged upside down. Leaves on a branch with a hollow or pale stem, without ears, ligula 2 mm, strands 15-45x1-8.5 cm, the lower side is slightly veiled and short leaf stalks.

Flowers in panicles on non-leafy branches with spikelet clusters on each segment. Ellipsoid shaped spikelet, 6-9x4-5 mm, flat to the side, has 1-2 gluma and 4-5 florets.

Giant bamboo grows best at an altitude of 400-500 m, rainfall an average of 2,400 mm/year, temperature of 25F, likes a lot of sunlight on alluvial, moist and fertile soils, but they are also able to grow to a height of 1,910 m and dry places in the highlands and lowlands.

Petung grows by spreading roots and rhizomes underground. The speed of spread is determined by the type of soil and local climate. Rizoma in the soil can be cut, but rhizomes separated from the main family will usually die.



The stem is very thick, strong and durable where the water content of 8% has a wood density of 0.7-0.8 g/cm3, the moisture content of 15% has a fracture firmness of 103 N/mm2, compressive firmness parallel to the direction of the fiber is 31 N/mm2 and firmness the shear is 7.3 N/mm2.

Betung bamboo is used as building material and structural wood for the construction of various buildings including house poles, boats, tobacco warehouse frames, bridges, waterways, musical instruments, furniture, household appliances and crafts, laminate boards, pulp, chopsticks, toothpicks and etc.

Big and sweet shoots are popular for pickles and various dishes. The quality of these shoots is considered the best compared to other bamboo species as food ingredients, including if canned.

Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Genus: Dendrocalamus
Species: D. asper
Labels:

Comments

Post a Comment

Popular

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
Post a Comment
Read more

Javan broadhead planarian (Bipalium javanum)

Cacing palu or Javan broadhead planarian ( Bipalium javanum ) is a species of animal in Geoplanidae, hermaphrodite, living on the ground, predators, often called only hammerhead or broadhead or shovel worms because of wide heads and simple copulatory organs. B. javanum has a slim stature, up to 20 cm long, up to 0.5 cm wide, head wide up to 1 cm or less, small neck, widening in the middle and the back end is rounded, all black and shiny. Javan broadhead planarians walk above ground level by raising their heads and actively looking left, right and looking up using strong neck muscles. Move swiftly, track meander, climb to get through all obstacles or make a new path if the obstacle is too high. Cacing palu track and prey on earthworms and mollusks. They use muscles and sticky secretions to attach themselves to prey to lock in. The head and ends of the body are wrapped around and continue to close the body to stop prey reactions. They produce tetrodotoxins which are very strong
Post a Comment
Read more

China rose (Rosa chinensis)

Mawar or Bengal rose or China rose ( Rosa chinensis ) is a plant species in Rosaceae, shrubs up to 1-2 m tall, growing on fences or forming bushes. Leaf pinnate, 3-5 leaflets, each 2.5-6 cm long and 1-3 cm wide. The plant has three varieties is R. chinensis var. chinensis, R. chinensis var. spontanea and R. chinensis var. semperflorens. R. chinensis has pink, red and white petals. Solitary flowers, usually four or five bundles together and have a mild aroma. Hermaphrodite flowers have radial symmetry for diameters of 4-5 cm. Strong branches, sturdy thorns decorate each path, young stems have dark green tree bark and woody old stems have purplish brown color. The leaves are arranged alternately from the petiole and downy. Leaf pinnate, ovoid with rounded base, tapered tip and sharp saw edge. The top leaves are dark green and shiny. Various forms of mawar have been cultivated in the garden for a long time, many varieties of garden roses and hibidation as tea roses and so on hy
Post a Comment
Read more