2. red bean tree: Leguminosae. Trees. Spring flowering, butterfly-shaped corolla, white or light red, panicle. Pods woody, long oval, seeds bright red, shiny. Produced in central and eastern China for ornamental purposes; the wood is heavy, red, with a beautiful pattern, and is excellent for carving and joinery.

3. Sea red bean: also known as "Acacia gram", "Acacia tree", "peacock bean". Leguminosae. Deciduous trees. Seeds convex mirror-shaped, bright red. Philippines, Vietnam, Malaysia,[1] Indonesia, India, Sri Lanka; also in Guangdong, Hainan, Guangxi, Yunnan, and eastern Himalayas, China. The wood is hard, and the heartwood is slightly coarse-grained and resistant to water and moisture. It is an excellent timber for shipbuilding, and can also be used as timber for construction, furniture, and gun stocks. Seeds are used for decoration.

3. Acacia seeds: also known as "red beans". Leguminosae. Woody vine. Branches weak. Spring and summer flowering, butterfly-shaped corolla, often light red or purple, racemes. Pods long ellipsoid. Seeds broadly ovoid, vermilion at upper end, black at lower end, may be trinkets. Tropical Asia; also in S China. For ornamental use. The seeds are poisonous and are used as a vomiting and insecticide. Leaves can diuretic, treatment of bronchitis; roots clear summer relief, do herbal tea ingredients.

4. Acacia: wood name. ①Some species of trees with red seeds. Such as "red bean tree, sea red bean" and so on. ② "Selected Writings - Zuo Si" Wudu Fu "：""Nan durian wood, Acacia tree." Liu Kui note: "Acacia, large trees. The material is firm, oblique (evil) hacking of the text can be done ware. In fact, such as coral, unchanged over the years, Dongye have." ③ Ancient legend, during the Warring States period, Song Kang Wang Sherman Han Diploma's wife, He's beautiful, King Kang took it. Han Diploma committed suicide. He also threw himself on the platform and died, his will to be buried together. King Kang was furious, and made the people bury her in two separate graves. In the past, there is a large catalpa tree was born at the end of the two mounds, ten days and embrace, root and branch intertwined, and there are male and female mandarin ducks perched on the tree, morning and evening do not go, necks sad song. Song people mourn, because it is called the wood for the Acacia tree. See Gan Bao "So Shen Ji" Volume XI.

Several species of red beans classification identification

Red beans in botany is a large class, involving at least three plants, in order to correct some of the misconceptions of the people, it is briefly described as follows:

1. Vine Acacia, not the red beans in the poem of Wang Wei (the seeds are half-red and half-black)

Acacia (Abrus precatorius): Leguminosae. Woody vines. Branches thin and weak. Spring and summer flowering, butterfly-shaped corollas, often pale red or purple, in racemes. Pods long ellipsoid. Seeds broadly ovoid, vermilion at upper end, black at lower end. Distributed in tropical Asia; also in S China. Seeds scientific name of chicken mother beads, highly toxic, commonly used as a traditional Chinese medicine.

2. Evergreen tree red bean tree, alias Acacia, real red beans, Acacia (seeds all red)

Red bean tree (Ormosia hosiei): Leguminosae. Trees. Spring flowering, butterfly-shaped corolla, white or light red, panicle. Pods woody, long oval, seeds bright red, shiny. Produced in central and eastern China for ornamental purposes; the wood is heavy, red, with a beautiful pattern, and is excellent for carving and joinery.

3. Deciduous tree sea red bean, alias Acacia, real red beans, Acacia (seeds all red)

Sea red bean (Adenanthera pavonina): also known as "Acacia gram", "Acacia tree ", "peacock bean". Leguminosae. Deciduous trees. Flowers small, white or yellowish, in narrow racemes. Pods curved and convoluted at maturity. Seeds convex mirror-shaped, bright red. Philippines, Vietnam, Malaysia, Indonesia, India, Sri Lanka; also in Guangdong, Hainan, Guangxi, Yunnan, and E Himalayas, China. The wood is hard, with a slightly coarse heartwood grain, resistant to water and moisture. It is an excellent timber for shipbuilding, and can be used for construction, furniture, gun stocks and other timber. Seeds bright red, crystalline as coral, southern people often used to inlay jewelry.

4. Adzuki beans, also known as red beans, red beans are vegetables, and love and love have nothing to do (dark red seeds)

Adzuki beans (Phaseolus angularis): the ancient name of the "small peas", "red peas," commonly known as "red beans". "red beans", "red beans", "red beans", "red beans", "small beans". Leguminosae. Annual herbs. Flowers yellow or pale gray. Pods glabrous, seeds elliptic or long elliptic, generally russet. Native to Asia; widely cultivated in China. Seeds rich in starch, protein and B vitamins, etc., can be used as food and foodstuffs, and can be used medicinally, is a tonic. See below for more information.

5. Acacia confusa, Taiwan, does not grow acacia beans (seeds dark brown)

Taiwan Acacia confusa (Acacia confusa): Leguminosae. Evergreen tree. Up to 15 m tall. blooms from April to October, head-like inflorescences with golden-yellow flowers. Pods strap-shaped, flattened. Seeds dark brown, shiny. Distributed in Taiwan, China, south of central Fujian and the hills and plains acidic lands of Guangdong and Hainan. The wood is solid, delicate, and durable, and is used for building and making agricultural tools. The bark is used to extract tannins. It is also a roadside tree and an ornamental tree in South China.