Alias water hyacinth and water hyacinth

source

Source of medicinal materials: rhizome of Araceae plant Alocasia alopecuroides.

Latin plant and animal mineral name: water taro.

Harvesting and storage: digging in late summer and early autumn, removing stems, leaves and fibrous roots, washing, fresh use or drying in the sun.

Initially, taro was a perennial aquatic herb. The rhizome is creeping, cylindrical, 50 cm long and 1-2 cm thick, and there are many slender fibrous roots on the nodes. Scales are needle-shaped, about 10cm long and tapering. The petiole on the mature stem is cylindrical, with a length of 12-24cm and a sheath at the lower part; The length of the sheath is 7-8cm, and the upper part is larger than 1/2 and separated from the petiole into scales; The leaf blade is 6- 14cm long, as wide as it looks, and the lateral veins are slender, all of which bend upward from the proximal edge. Peduncle length 15-30cm and diameter 0.8-1.2cm; The spathe is green outside, white inside, 4-6 cm long, 3-3.5 cm wide, and the top is about 1 cm long, and the fruit period does not increase continuously; Spike length 1.5-3cm, flowering period about Icm, dense flowers, often sterile male flowers at the top; Flowers bisexual, without perianth; Stamens 6, filaments short, anthers elliptic, opposite, peltate, laterally longitudinally dehiscent; Ovary short ovoid, L-loculed, stigma sessile. Infructescence subglobose, berry head conical; Seeds are mostly anatropous, cylindrical and rectangular. The flowering period is June-July, and the fruiting period is August.

Habitat distribution

Ecological environment: it is born below 1 100m above sea level, and often grows in shallow water areas such as meadows and swamps.

Distribution of resources: Northeast China and Inner Mongolia.

cultivate

Biological characteristics: I like warm and humid climate. Avoid drought and flood. It is advisable to choose low-lying land or paddy field for farming.

Cultivation techniques: seed taro propagation method. Sowing in spring, irrigating about 5 cm in paddy field with base fertilizer, and planting taro in soil according to the row spacing of (60-80) cm× (50-40) cm.

Field management: after transplanting, the water in the field should be drained and dried in the sun to raise the soil temperature and promote growth. During the growing period, intertillage for weeding and apply fertilizer for 2-3 times. The water level is kept at about 5cm at ordinary times, and it can be deepened to 10- 15cm in high temperature season, and the accumulated water in the field can be drained when weeding or harvesting in intertillage.

Pest control: See taro strips.

Chemical components Taro contains chemical components with antibacterial activity.

Functional indications are rheumatism; Detoxification and swelling reduction. Indications of rheumatic pain; Edema; Carbuncle; Osteomyelitis; Poisonous snake bite.

Administration and dosage: Take orally: decocted, 6-9g. External use: appropriate amount, tamping; Or fried and washed.

Excerpts from Chinese Materia Medica