Adzuki bean var。 Microsperma) is a leguminous tree with pinnate compound leaves, long elliptic leaflets and panicles, white flowers, flat pods, bright red seeds, dark brown heartwood, hard texture and corrosion resistance, which can be used as columns, ships, building materials and box boards; The seeds are bright red and beautiful, and can be used as decorations.
Yunnan, Guizhou, Guangxi, Guangdong, Fujian and Taiwan Province provinces. Mostly in canyons, streams, forests or cultivated in gardens. Myanmar, Cambodia, Laos, Vietnam, Malaysia and Indonesia are also distributed. Red beans can be made into various delicious foods with high nutritional value. It is often used to symbolize acacia in ancient literature.
Plant morphology: annual erect herb, up to 90 cm. There are obvious long bristles on the stem. Three compound leaves alternate; The terminal leaflet is ovate, 5 ~ 10 cm long and 2 ~ 5 cm wide, the apex is acuminate, the lateral leaflets are oblique, whole or 3-lobed, and both sides are sparsely white pilose; Stipules ovate. Racemes axillary; Calyx 5-lobed; Corolla butterfly-shaped, yellow, flag petal short claw, keel petal upper curl; Stamens 10, dimorphic. The pod is cylindrical and 5 ~ 8 cm long. 6 ~ 8 seeds. The flowering period is from June to July, and the fruiting period is from July to August.
red bean shrub
Also known as: pork liver red (Ben Feng Jingyuan), belly red bean (herbal side belly), rice red bean, wool chai red, rice red. Annual semi-climbing herb. The stem length can reach1.8m, and it is hairy. 3 compound leaves, petiole 8 ~ 16 cm long; Stipules lanceolate or ovate-lanceolate; 3 leaflets, lanceolate, oblong to ovate-lanceolate, 6 6- 10/0cm long, 2-6cm wide, tapering at the apex, triangular or suborbicular at the base, whole or 3-lobed, glabrous on both sides, only sparsely hairy on veins, papery, with 3 veins and stalks. Racemes axillary, with many very short petioles in Kobanawa; Bracts 2, lanceolate and linear, about 5 mm long, hairy; Calyx short-campanulate, calyx teeth 5; Corolla butterfly-shaped, yellow, flag petal kidney-shaped, slightly concave at the center of the top surface, heart-shaped at the base, oblique oval wing petals, sharp claws at the base, long and narrow keel petals with angular protrusions; Stamens 10, dimorphic, anthers small; Ovary superior, densely hirsute, style linear. Pods are linear and oblate; 6 ~ 10 seed, dark purple, oblong, rounded at both ends, straight concave hilum. The flowering period is from May to August. The fruiting period is August-September. Cultivated or wild. Distributed in the suburbs of Guangdong, Guangxi, Jiangxi and Shanghai.
red bean shrub
Also known as Red Mi Dou ("Additional Identification of Fake Drugs"). Annual erect herb, 30 ~ 90 cm high. There are bristles on the stem. 3 compound leaves; Stipules linear, white villous; Leaflets ovate to rhomboid-ovate, 5 ~ 10 cm long and 3.5 ~ 7 cm wide, with mucronate or acuminate apex, triangular or nearly round base, entire or extremely shallow 3-lobed, and both surfaces are sparsely hairy. 2 ~ 6 flowers, inserted at the top of axillary total pedicel; Iris, the shape is the same as the previous one; Pods oblate and cylindrical, shrinking between seeds, glabrous; 6 ~ 10 seed, dark red, oblong, truncated or round at both ends, and the hilum is not concave. The flowering period is from June to July. The fruiting period is July-August.