Padauk
Phuket Province tree
Common Name: Burmese Rosewood
Scientific name: Pterocarpus indicus Willd.
Family Name: LEGUMINOSAE – PAPILIONOIDEAE
Other Name: Pradu King On Sano Angsana
Botanical characteristics:
It is a large perennial plant, 25 meters high, will shed before flowering. Branches into a wide canopy. And the ends of the branches hang down Found in mixed deciduous forests in the southern region. Can be grown online Native to Malaysia In the Andaman Sea, Matarat and the Bay of Bengal, Burma and Thailand, propagated by seed.
Blade: The leaves are composite leaves with an odd tip plumage. Out together in a bunch of leaves arranged alternately Each bunch has about 7-13 sub-leaves, the leaves are rounded, oval, oval or parallel-shaped, the tip of the blade, the base of the rounded or quite pointed leaves. The edges are smooth, no jagged. The leaves are about 3-6 cm wide and 4-13 cm long. The thick sheet is green. Leaves have short hairs, covering the abdomen more than the back. The young petioles are slightly covered up. The branches of the leaves are often curved along the shape of the leaves. The base of the petiole has two long lines.
Flowers : Flowers are a bouquet of flowers. By leaving the axillary area or at the end of the branch The base of the stem has 1-2 ornamental leaves. There are 5 sepals that are attached to each other in a green cup The tip is separated into 2 lobes, divided into two adjacent lobes. And the lower 3 petals adjacent to each other, the petals have 5 petals, yellowish yellow The petals are butterfly-shaped. The flowers have 10 male stamens. The stalk holds 2-3 groups of anthers and the stamens have one. The flowers have a strong aroma. Flowers will bloom and fall at the same time.
The trunk : bark is thick, gray-brown, rough crack, deep groove.
Pod / fruit : The pod / dried samaroid fruit, the appearance of the fruit is round or oval. The edges have thin, leaf-like wings around, like a flying saucer, slightly twisted and wavy. Convex in the middle, sloping to the wings The fruit is about 4-7 cm in diameter. The wings are about 1-2.5 cm long with fine hairs surface. In the middle of the bulge is the location of the seed. There is 1 seed inside. The seed is about 5-8 mm. The fruit is pale yellow green. When it is old, it turns light brown. The surface is rough when aging The seeds are similar to the red bean. The skin is smooth, brown, about 0.5-1 cm long.
The bark: It’s brown-black, longitudinal. The inner shell is red vitreous. The canopy is spherical or pagoda. Short, wide spread, thick, dense branches stretching low.
benefit:
Wood : Wood boiled to cure fever, sputum, nosebleeds. Young leaves are used to mask the wound to dry quickly, cure rashes.
Sapwood cure diarrhea
Padauk wood Used in both indoor and outdoor construction. It is a hardwood with high durability. The wood has a beautiful color. Yellowish red to deep brick red with streaks older than the base color. The pine burr is a good shading pattern. In comparison with Burmese teak, it was found that Padauk wood had twice the hardness and 24 percent heavier, 925 kg hardness and naturally durable. (Burial experiment) 14 years average. Therefore, the use of padauk in construction is widespread. As well as making furniture, tools, appliances The small part is used to make parquet. Wood interlocking veneer. The cement-coated wood panels were given firewood and Padauk charcoal to heat 5,022 and 7,539 calories per gram, respectively. Padauk bark can be used for dyeing fabrics and a astringent for tanning.
Conservative benefits:
Pradu is a large round canopy. Strong will help prevent wind and cover the soil. To provide shade, moisture and support for rainwater, reduce the impact force on the soil surface, together with the deep root system spread Like the canopy. It will help to hold the soil easily to break down and the roots have large knots help fix nitrogen in the air to keep it as useful nitrogen as well. Leaves dense when fall and rot. Add nutrients organic matter to the soil greatly.