Skip to main content

Black bamboo (Gigantochloa atroviolacea)

Pring wulung or black bamboo (Gigantochloa atroviolacea) is a plant species in Poaceae, black and sturdy bamboo, growing in large, dense and upright clumps which are often used as material for making musical instruments, furniture, household utensils and handicrafts.

G. atroviolacea has green-black bamboo shoots with orange tips, covered with brown to black hairs. The reed grows straight and upright, 15 meters high, the segments 40-50 cm long and the walls 8 mm thick.

Dlium Black bamboo (Gigantochloa atroviolacea)


The reeds are dark green when young, turning greenish purple to dark brown with patches of pale or whitish rings on the joints with few aerial roots. Many branches, usually appearing at a height of 2-3 meters above the ground and one larger than the other.

The reed fronds fall off easily, except that the lowest one often persists, 16-20 cm long, has burly hair and is dark brown on the outside. The leaves of the reed are egg-shaped or oblong with a triangle with a narrow base, 4-9 cm long and curl back.

The frond ears are round with a slightly curved tip, 4 mm wide, 3-5 mm high and 7 mm long curved hair. The ligula is serrated irregular, 2 mm high and locos.

Leaves on twigs are lanceolate, 20-28 cm long, 2-5 cm wide and locos. Leaf midrib covered with whitish hairs when young. Frond ears up to 1 mm and lokos. The ligula is serrated, 2 mm high and locos.





Inflorescences in the form of panicles on leafy twigs with clusters of up to 18 spikelets on each segment. The spikelet is oval lanceolate, 8-11 cm long, 3 mm wide, 4 perfect florets and one flawless tip floret.

Black bamboo lives in humid tropical regions with rainfall of 1500-3700 mm per year, humidity of more than 70% and temperatures of 20-32C. Generally grows on latosol soils, red laterite and reddish brown, but prefers drier chalky soils.

The density of wet reeds is 0.37-0.48 and dry is 0.65. Dry reed moisture content is 16.8%. Black bamboo is used as a material for making musical instruments, household items, furniture, halls, handicrafts and various types of weaving. Bamboo shoots are often cooked as a vegetable.

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Liliopsida
Order: Poales
Family: Poaceae
Subfamily: Bambusoideae
Tribe: Bambuseae
Subtribe: Bambusinae
Genus: Gigantochloa
Species: Gigantochloa atroviolacea
Labels:

Comments

Post a Comment

Popular

Guinea grass (Panicum maximum)

Guinea grass or buffalo grass or green panic ( Panicum maximum ) is a plant species in Poaceae, annual grasses, growing upright to form clumps, strong, cultivated in all tropical and subtropical regions for very high value as fodder. P. maximum reproduces in very large pols, fibrous roots penetrate into the soil, upright stems, green, 1-1.5 m tall and have smooth cavities for diameters up to 2.5 mm. Propagation is done vegetatively and generatively. Ribbon-shaped leaves with a pointed tip, very many, built in lines, green, 40-105 cm long, 10-30 mm wide, erect, branched, a white linear bone, often covered with a layer of white wax, rough surface by hair short, dense and spread. The flower grows at the end of a long and upright stalk, open with the main axis length to more than 25 cm and the length of the bunches down to 20 cm. Grains have a size of 3x4 mm and oval. Seeds have a length of 2.25-2.50 mm and each 1 kg contains 1.2 - 1.5 million seeds. Guinea grass has two varieties. P
Post a Comment
Read more

Giant green leech (Raksasa hijau)

Lintah raksasa or giant green leech ( Raksasa hijau ) is a species of animal in Salifidae, large green leeches, carnivores, not hematophagic, can grow to lengths of more than 50 cm, the front is perfectly tubular, but it is getting bigger, wider and flat backward. R. hijau has a front end that ends with a white mouth and has a width equal to the diameter of the front end of the body. The rear end ends with the anus and has a width equal to the diameter of the rear end of the body. The upper surface is whole dark green or leafy green, looks shiny and has no other additional color features. The bottom surface is lighter or brownish green. The skin is wrinkled like tight, elastic joints that make it possible to lengthen the body. Giant green leech moves forward by extending the tip of the front of the body to keep the new location farther away and this movement is then followed by the middle body and gradually the rear where the body moves completely. R. hijau does not suck blo
Post a Comment
Read more

Redflower ragleaf (Crassocephalum crepidioides)

Sintrong or ebolo or thickhead or redflower ragleaf ( Crassocephalum crepidioides ) are plant species in Asteraceae, terma height 25-100 cm, white fibrous roots, generally grow wild on the roadside, yard gardens or abandoned lands at altitude 200- 2500 m. C. crepidioides has erect or horizontal stems along the soil surface, vascular, soft, non-woody, shallow grooves, green, rough surface and short white hair, aromatic fragrance when squeezed. Petiole is spread on stems, tubular and eared. Single leaf, spread out, green, 8-20 cm long, 3-6 cm wide, longitudinal or round inverted eggshell with a narrow base along the stalk. Pointed tip, flat-edged or curved to pinnate, jagged rough and pointed. The top leaves are smaller and often sit. Compound flowers grow throughout the year in humps that are arranged in terminal flat panicles and androgynous. Green cuffs with orange-brown to brick-red tips, cylindrical for 13-16 mm long and 5-6 mm wide. The crown is yellow with a brownish red
1 comment
Read more