In the books on plants Hoang Lan (Not Ylang gold) called Ngoc Lan Tay and Lan Tua, belongs to Na, Hoang Lan has 3 categories: large woody plants, this type of still or be planted in garden, another type usually called Hoang Lan dwarf, but also small trees up to 2 meters high, can potted, other plant vines form called chestnut, all three types flowers are the same.
Royal orchid tree is provided, trade to work planting trees, garden villas and urban areas. The royal tree orchid small size from the original diameter of 4 cm to 10 cm, the royal orchid tree missed having a diameter of 10 cm to 15 cm, suitable street trees, villas, gardens, urban areas. The royal orchid plants larger size, from 15-20 cm or more than 20 cm, suitable for cultivation usually villas, garden with greater investment, need to have trees planted greening landscape immediately.
Yellow orchid is a beautiful species of flowering trees 10-15 m tall, cylindrical spreading, horizontal branches grow normally, brittle. Single leaf sprouting way, in 2 lines on small branches, easy loss. Leaf blades soft, thin, oval or egg slightly skewed, slightly wavy edges, vertices oblong, 2-sided smooth, 15-20 cm long, 5-8 cm wide. Very fragrant flowers, grow in clusters on short shoots, with 6 wings oblong strips long, wavy, arranged in two rounds, the top and bottom narrow oblong, green when young, later changing to yellow-green. Flowering trees for many months of the year.
Medicine of many countries used flowers Yellow orchid aroma-therapy have paid due attention whether (sauna, massage …), soothe pain, reduce stress, blood pressure adjustment. Also where incense Hoang Lan believes that there is aphrodisiac effect.
Yellow orchid flower is also a kind of perfume raw materials, cosmetics, lotions shampoo, bath. In many South Asian countries, ordinary citizens Yellow orchid planting in the garden, take flowers to decorate the living room, giving each of the festivals, fun day. In Indonesia, Yellow orchid flowers scattered on the bed used wedding night of the newly married couples. In Philippnines, do they use the Yellow orchid flower decoration for the wedding and strung together flowers Jasmine gown for the bride to the wedding day.
Yellow orchid oils useful in the world, many countries have grown, extracted and exported li with large, such as in the Comoros, Hoang Lan oil accounted for 29% share of annual export countries they.
In Vietnam, Hoang Lan trees were planted everywhere, from north to south, but only scattered planting, planting pattern not seen concentrated to produce oil. Typically, Yellow orchids are grown in houses, pagodas, shrines am, historic sites, cultural sites, parks, offices, or some places are grown on urban sidewalks but only sporadically a pair tree.