Alpinia officinarum, also known as Alpinia officinarum and Zingiber officinarum, is a zingiberaceae plant, mainly produced in Guangdong, Guangxi and other places, and is wild in barren slopes or sparse forests or cultivated.
Alpinia officinarum is pungent and hot, and has the functions of warming stomach, stopping vomiting, dispelling cold and relieving pain. Ginger is pungent and warm. The rhizome flowers are yellow-green, and the smell is spicy, which has the effects of relieving exterior syndrome, dispelling cold, warming and stopping vomiting, warming lung and relieving cough.
Alpinia officinarum is cylindrical, curved and branched, with a length of 5 ~ 225 px and a diameter of 1 ~ 37.5 px. The surface is brownish red to dark brown, with fine longitudinal wrinkles and taupe wavy connections, and the internodes are 0.2~25px long, with round root marks on one side. Tough, not easy to break, taupe or reddish brown, fibrous, with central column accounting for about 1/3. The smell is fragrant and spicy.
Planting: Alpinia officinarum is not strict with soil, but it is best to choose gentle slope or sandy land with good drainage, acidic soil and loose sunshine, or intercropping with fruit trees to make full use of the land. According to the row spacing of (25-30) cm ×(25-30) cm, 3000-5000 kg of decomposed farmyard manure or soil miscellaneous manure is applied in the hole as base fertilizer. Transplanting and planting before and after Qingming, 2 seedlings per hole, covering soil and compacting, and spraying foot water.
Alpinia officinarum is a perennial herb with a height of 70 cm. Rhizomes are transverse and branched. Leaf blade subsessile, ligule 2-lobed, raceme terminal, inflorescence axis densely villous; Involucral bracts lanceolate, flowers usually 2-fold 1. Calyx is rod-shaped, corolla lobes are oblong, white with red veins, fruit is spherical or oval, seeds are polygonal and have camphor flavor, and the flowering and fruiting period is April-65438+February.
Alpinia likes warm and humid environment, so it chooses a plot with sparse forest, good drainage and fertile and loose soil as nursery land. Before planting, the nursery should be deeply ploughed for 25-30 cm to remove weeds and grass roots, then raked flat, and the decomposed fertilizer should be applied as base fertilizer and mixed with soil for later use.