The symbol of catalpa

So is the so-called "Tian Tong Di Zi". In ancient times, it was thought that Mo Mu was good at catalpa, whose books were famous for "catalpa materials" and whose gifts were famous as "catalpa people". I like to plant mulberry and catalpa bungeana trees next to my house, thinking that they are tools for health and death, so I have named my hometown mulberry so far. In ancient times, the so-called catalpa bungei carpenter often said the same thing.

Catalpa, a catalpa plant, is15m high. Crown umbrella-shaped, straight trunk, opposite leaves, sometimes whorled, broadly ovate, nearly equal in length and width, tapering at the top, heart-shaped at the base, whole or shallowly wavy, rough upper and lower leaves, slightly pilose, and long petiole. Panicle terminal; Calyx buds are spherical, corolla bell-shaped, pale yellow, filaments are inserted on corolla tube, and anthers are bifurcated; Style filiform, capsule linear, drooping, oval seeds, long hair at both ends.

Distributed in the Yangtze River basin and northern China; It is also distributed in Japan. Mainly planted near the village and on both sides of the road, the wild people are out of sight. Catalpa bungeana likes light and its seedlings are tolerant to shade. I like warm and humid climate, have certain cold tolerance, and can withstand the low temperature of -20℃ in winter. Deep roots, such as deep, moist, fertile and loose neutral soil, slightly acidic soil and slightly saline-alkali soil can also grow. [ 1]

Catalpa grows rapidly, with white flowers in spring and beans in autumn and winter; White wood is soft and can be used as furniture. The piano is made at the bottom, and the tender leaves are edible; Leaves or bark can be used as pesticides to kill rice borers and rice planthoppers; Fruit (catalpa fruit) can be used as diuretic to treat nephropathy, cystitis due to kidney-qi, liver cirrhosis and ascites. Root bark (white bark of Catalpa bungeana) can also be used as medicine to reduce swelling and detoxify, and can be decocted and washed for external use to treat scabies. Compendium of Materia Medica says: Catalpa is white, bitter and cold, and non-toxic.