Nacre trees (Khaya senegalensis A.Juss) Of them Xoan (Meliaceae)
Nacre or monkey skull (binomial nomenclature: Khaya senegalensis) is a plant belonging They Xoan (Meliaceae). Nacre grows trees in Benin, Burkina Faso, Cameroon, Central African Republic, Chad, Ivory Coast, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Mali, Niger, Nigeria, Senegal, Sierra Leone, Sudan, Togo, and Uganda.
As trees age may be higher carpentry 35-40 m, diameter trees reaching up to 2m. Evergreen trees, dense foliage, branches many, shoots bent down. Pinnate compound leaves once even, inflorescence cluster dispersed, small white flowers with four small white wings conjoined, the flowering season 4-5 months. Small capsule, nine in October, when nine sprung into 4 pieces. Gray-brown bark, bark coin cracked skull as it circled the tree, also known as monkey skull.
Feature recognition:
– Large tree, high> 25m and the diameter can be> 1.5 m. Body smooth, smooth bark when young, peeling plain old time. Broad foliage.
– Even-pinnately compound leaves, grows to bring 3-6 pairs leaflets. Leaflets long oval, convex proximal smooth with a short nose, tail wedge, the leaves usually have size 6-12cm long, 3-5cm wide. Natural leaf edges, smooth surface on. 01cm long stalked leaflets.
– Flowers growing in leaf axils.
– Capsule spherical, 4-5cm in diameter, while nine of wood and cracked crust into 04 pieces, each cell having> 10 seeds. Seeds flat, thin flat wings around.
– Plants with horizontal roots thrive.
The biology and ecology
Photophilic trees grow fast, easy to grow very healthy germination, seeds and buds are reborn stronger. Plants grow very quickly, can grow well on any terrain, all types of land, very suitable for sandy soil of the coastal areas of central Vietnam, drought-resistant plants and wind very well. Especially trees that are resistant to pests and diseases is very high.
Uses
– Plants are grown mostly from north to south.
– Trees with heavy wood, beautiful, easy to play fine grain, normally packed belongings
– Trees have widespread, often dense planting shade trees along roads.
– Also commonly used as wood cutting boards (cooking utensils in the kitchen) because of thick fibers, less humus.
How to treat seeds produce seedlings:
– Seeds of plants after they are separated from the fruit, dried in the sun sunny 4-5, then stored in a dry place or packing to leave in the jar.
– When unwinding brought treated with boiling hot water 2 + 3 cold and soak for 2 hours then washed sour fish out and brought down the beds sown or planted directly into pots nursery. Bag size 12x18cm, potting soil and fertilizer sectors, who 2 Land: 1 assignment.
– Tree planting bare root capable, can sow and care beds in addition to planting also.
Tree with a height of 40 – 50cm is taken to plant, it’s possible for longer than the height shall be carried away 0,7-1m sowing crops planted straight into bed.
How to plant and care:
– Holes were dug in size depending on the height of the tree.
– After planting, green manure pulled cabinet by a humidifier, avoid dehydration plant. -If Higher plants, they must use the rod (1 plant to use 3 rods) to avoid the wind blowing against spillage.
– Planning planting: plant layout should travel along the road, along the fence as shade trees.
– Planting area must be large enough area to grow plants (and plants thrive horizontal root system). If the narrow area limited the growth of the roots susceptible to collapse.
– It can be planted in the forest, along intercropping natural forest cover.
In Vietnam, the conch was introduced from Central Africa from the French, was widely planted as landscape trees, shade trees sidewalks, in parks, schools … Now nacre is grown a lot in big cities of Vietnam such as Hanoi, Hai Phong, Da Nang, Buon Me Thuot, HCMC. Wood core light red, reddish brown sapwood, solid wood fibers twisted, warped, easy to crack. Wood used spear boats, doing household furniture.