Chinese Literature Name: Panlongan
Latin scientific name: Pometia pinnata J. R. et G. Forst.
Nicknames: Panzi Longan, Taidong Longan, Chayi (Yamei Language)
Two-name method: Pometia pinnata
Distribution: Pometia pinnata is a species belonging to the genus Panlongan of Asiatic family. It is an evergreen tree. It is the most important economic timber and fruit tree on Lanyu Island. It has dense and strong texture and curved black wood texture. It is widely used in stairs, furniture, floors and other products.
Evergreen trees, 20 meters high, ** up to 50 meters, broad crown, well-developed plate roots; twigs with straight grooves, sometimes short hairs.
Leaves very large, petioles 1.5 meters long, axes and leaflets nearly glabrous to tomentose; leaflets compact, 5-9 pairs, sometimes up to 15 pairs, nearly opposite, the first pair small, round, base heart-shaped, stipular, the rest of the oblong or upper wedge-shaped, 15-40 cm long, 5-10 cm wide, apex short or acuminate, with regular serrated edges; petioles short, swollen.
Inflorescence terminal or axillary, spindle and branches strong and firm, 30-50 cm long, puberulent; pedicels 6 mm long, base jointed; sepals 1 mm long, puberulent; petals obovate triangular, about 2 mm long and wide; stamens 5 mm long.
Fruit elliptic or sometimes subglobose, 3 cm long, 2 cm wide, glabrous, lustrous.
Taidong and Lanyu islands from Taiwan, China, and the Philippines and Samoa Islands are also distributed.
The plush red plum gaxi was born in shady terrain, high heat condition, weak influence of winter cold current, distinct dry and wet season, but in the early dry season there are often dense fog, high air humidity, deep and humid soil environment. The annual average temperature of the distribution area is about 21 jC, the extreme ** temperature is 38.9, the ** temperature is not less than 5, the annual precipitation is 1200-1800 mm, mostly concentrated in May-October. The soil is yellow soil and latosol with pH 6.1-5.5.
Red Meiga fruits are mainly eaten raw or boiled. Seeds can be used as lamp oil substitutes. Fat oil can be eaten. Seeds are like chestnuts. They can also be fried or boiled for human consumption. Wood can be used as building materials or shipbuilding materials. The root of longan is used to decoct, which can repel insects or reduce fever. It is suitable for planting in mountainous areas.
Hongmeiga is the most important economic timber and fruit tree on Lanyu Island. The wood is dark reddish-brown, dense and heavy, with curved black wood texture. It can be used to make pillars, timbers, beams, side walls, floors, etc.
The heartwood of Hongmeiga is light reddish brown or reddish brown. The wood is brown, with golden luster, straight and light interlaced stripes, dark tissue bands, uniform structure, medium weight and strength. Suitable for furniture, floor, interior decoration, etc.