Skip to main content

Teak (Tectona grandis)

Jati or teak (Tectona grandis) is a plant species in the Lamiaceae, a large tree producing high-quality and luxurious wood, straight trunk, up to 40 m high, large leaves, slow growth with low germination making natural propagation difficult and insufficient to meet demand market.

T. grandis grows in deciduous forests that lose their leaves in the dry season, stems are cylindrical, straight, up to 40 m high, 2.4 m in diameter, 18-20 m clear bole and the bark is yellowish brown.

Dlium Teak (Tectona grandis)


The leaves are ovate, opposite, very short stalks, fine hairs and glandular hairs on the underside. The leaves on the tree shoots are 60-70 cm wide, 80-100 cm long and reddish green in color. The leaves on an old tree are 15 cm wide and 20 cm long.

Compound inflorescences in large panicles, 40x40 cm, containing hundreds of flowers arranged like umbrellas, located at the tip of the twig at the top of the tree. Flowers have 6-7 corolla, whitish in color and 8 mm wide.

The fruit is round, slightly flattened, 2.5 cm, coarse hair with a thick core, 2-4 seeds but generally only one grows. The fruit is covered by enlarged flower petals that inflate like small balloons.

Teak can grow in areas with rainfall 1500-2000 mm / year, temperature 27-36C, pH 6-8, contains lots of calcium and phosphorus, is not stagnant water and lots of sunshine throughout the year, the ideal elevation is 0-700 meters.











Teak is a pioneer species that is fire-resistant and damage to the teak seed shell makes it easier for shoots to come out when the rainy season arrives. Wood has strength class II, durability class I-II and is resistant to termite attacks. The wood of the patio has a light brown to reddish brown color. The sapwood is white and yellowish gray.

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Magnoliopsida
Order: Lamiales
Family: Lamiaceae
Genus: Tectona
Species: Tectona grandis

Comments

Popular

Indian rosewood (Dalbergia latifolia)

Sonokeling or Java palisandre or Indian rosewood ( Dalbergia latifolia ) is a species of plant in the Fabaceae, a large tree producing hardwood, medium weight and high quality, rounded leaves, thin and broad pods, highly adaptive, grows in dry and rocky landscapes with lots of sunlight. D. latifolia has medium to large size, cylindrical stems, up to 40 m high with a ring of up to 2 m, the bark is brownish gray and slightly cracked longitudinally. The crown is dense, dome-shaped and sheds leaves. The leaves are compound and pinnate oddly with 5-7 strands that have different sizes and appear alternately on the shaft. The leaves are round or elongated in width or heart, the upper surface is green and the surface is pale green. The flowers are small, 0.5-1 cm long and clustered in panicles. The pods are green to brown when ripe and are elongated lanceolate, pointed at the base and tip. The pods have 1-4 seeds which are soft and brownish. Indian rosewood grows at elevations below 600 m,

Bush sorrel (Hibiscus surattensis)

Bush sorrel ( Hibiscus surattensis ) is a plant species in Malvaceae, annual shrub, crawling on the surface or climbing, up to 3 meters long, thorny stems, green leaves, yellow trumpet flowers, grows wild in forests and canal edges, widely used for vegetables and treatment. H. surattensis has stems with spines and hairs, branching and reddish green. Petiole emerges from the stem with a straight edge to the side, up to 11 cm long, sturdy, thorny, hairy and reddish green. The leaves have a length of 10 cm, width of 10 cm, 3-5 lobed, each has a bone in the middle with several pinnate veins, sharp tip, sharp and jagged edges, wavy, stiff, green surface. Flowers up to 10 cm long, trumpet-shaped, yellow with a purple or brown or red center, solitary, axillary. Epicalyx has forked bracts, linear inner branches, spathulate outer branches. Stalks up to 6-7 cm. The seeds have a length of 3-3.5 mm and a width of 2.5 mm. Bush sorrels grow in pastures, marshes, abandoned fields and plantations,

African spiral flag (Costus lucanusianus)

African spiral flag or Costus afer ( Costus lucanusianus ) is a species of plant in the Costaceae, herbaceous or shrub, up to 2 meters high, cylindrical stem, upright with a spiral movement, green with reddish midrib stripes, grows on forest floors, river banks, roadsides and abandoned lands. C. lucanusianus has oval-shaped leaves, up to 30 cm long, up to 10 cm wide, pointed tip and base, a vein in the middle, dark green upper surface and pale green lower surface. Petioles are very short. The inflorescence is in a tuber at the end of the stem, cone-shaped and about 10 cm long. The flowers are funnel-shaped, the outside is white, the inside is red with a yellow spot. Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Liliopsida Order: Zingiberales Family: Costaceae Genus: Costus Species: Costus lucanusianus