Who knows what kind of flower this is? The lawn on the west side of Zhang Fuyuan Road, Zhongshan South Road, Nanjing is a bit like Petunia and Primula.

Blue pig's ear is a panicum miliaceum of Pulsatilla of Scrophulariaceae, which is native to zhina Peninsula. Plant height 15-30 cm, neat and compact plant type. Flowers are axillary or terminal racemes, including purple-blue, pink, blue-purple, deep pink and purple. Flowering in July-10, with small seeds.

Basic information

gingkgo

corydalis

Latin scientific name

Blue pig ear

Another name

Lanjul

Binomial nomenclature/system

Blue pig ear

boundary

plant kingdom

door

Magnolia plants

summary

Mulan class

eye

scrophulariaceae

The branch of academic or vocational research.

scrophulariaceae

belong to

figwortroot

grow

corydalis

Distribution area

Originated in Vietnam

catalogue

launch

1 Basic introduction

2 morphological characteristics

3 growth habits

4 agricultural technology

5 potted plant maintenance

6 application value

6. 1 medicinal value

1 Basic introduction

Plant Name: Corydalis

corydalis

Alias: blue pig ears

Latin name: blue pig ear

Family name: Scrophulariaceae

Genus name: butterfly grass

Adaptation area: native to tropical and subtropical Asia.

Ecological classification: herbaceous plants-biennial flowers

Ornamental classification: flower viewing

Height range: 0.2-0.3m.

2 morphological characteristics

Blue pig's ear is a panicum miliaceum of Pulsatilla of Scrophulariaceae, which is native to zhina Peninsula. Plant height 15-30 cm, neat and compact plant type. Flowers are axillary or terminal racemes, purple-blue, pink, blue-purple, dark pink and purple, with small seeds.

Square stem, multi-branched, loose. Leaves opposite, ovate or ovate-lanceolate, with serrated edges. The petiole is half the length of the leaf, and the leaf turns red in autumn. Flowers are terminal or axillary on the upper part of the stem (2-3 flowers are not inflorescences), corolla is lip-shaped, calyx is enlarged, and calyx tube has 5 prismatic wings. The flowers are blue, the corolla is mottled (the upper lip is light snow blue, the lower lip is violet, and the throat is yellow. ) Flowering period is July -65438+ 10.

3 growth habits

Like high temperature, heat resistance. Like light, tolerant to semi-shade, and lax in soil requirements. It grows vigorously, requires little fertilizer, and blooms in sunny, moderately fertile and moist soil.

4 agricultural technology

corydalis

Spring sowing is the main method, and autumn sowing is suitable for South China. The optimum temperature for germination is 20 ~ 30℃, and it can germinate about 10 ~ 15 days after sowing. Seeds are powdery, so pay attention to moisturizing when sowing. Transplant when the seedling height is 10 cm.

Corydalis usually sows in spring. Because the seeds are small, you can mix some fine sand seeds. After sowing, you don't have to cover the soil, but you should cover it with film to keep it moist. After sowing, water by soaking. Germination is about 10 day, after emergence, the film is uncovered and placed in a place with sufficient light and good ventilation. When there are 5 straight leaves or the plant height has reached 10 cm, it can be transplanted. Cultivation should be placed in a sunny place. In order to maintain bright colors, organic fertilizer should be applied as base fertilizer before cultivation, and chemical fertilizer or organic fertilizer should be applied two or three times during the growth period to maintain soil fertility.

5 potted plant maintenance

Corydalis is a subtropical flower, which likes high temperature growth environment and is resistant to high temperature. Flowering in summer, it can adapt to all kinds of soil. In order to ensure the full growth of nutrients, watering in summer should avoid high temperature at noon. It grows vigorously, requires little fertilizer, and blooms in sunny, moderately fertile and moist soil.

Summer and autumn are the vigorous growth period of Corydalis, and the outdoor humidity can be reduced to about 65438 02℃, which is used for indoor protection and cultivation. It is best to keep the overwintering temperature above 65438 05℃ to eliminate frost. Corydalis likes humid environment and soil, so it must not be dry during the growing period. During the wintering period, when the topsoil is dry, it can be fully watered. In summer, people who maintain it outdoors need to keep moist, water and spray water frequently to increase the air humidity. [ 1]

6 application value

Decoration: No flowers in summer, rich colors, long flowering period and strong naturalness. Suitable for balconies, flower beds, flower beds and other plants, and it is also an excellent hanging potted flower.

Corydalis corydalis is 20-30 cm high, with opposite leaves, long heart shape and fine serrations on the leaf margin. Flowers are terminal, with patterns similar to snapdragon, white, purplish red or purplish blue in color, with yellow spots on the throat and extremely long flowering period, which is a beautiful grass flower in summer flower shortage period; Its beauty is quiet and soft, which can bring us a little coolness in hot summer. Suitable for flower beds or potted plants, especially resistant to high temperature from summer to autumn. Very suitable for roof, balcony and flower bed cultivation. Mature seeds can germinate and blossom.

6. 1 medicinal value

Bacteriostatic experiment: the antibacterial potency of the whole herb decoction against Leptospira jaundiced hemorrhagic O 17 strain and Lai strain is 1/400.

Sweet; Sexual apathy

Indications: clearing away heat and toxic materials, inducing diuresis to relieve cough, regulating stomach to stop vomiting and removing blood stasis.

Meningitis and vomiting: 8 yuan in green pig's ear, 5 yuan in Houttuynia cordata root, Yubei, willow in snow and Buddleja officinalis, 5 kg of old ginger, decocted in water, and delivered with brown sugar.

Jaundice, bloody stranguria, wind-heat cough, diarrhea: whole grass 3 ~ 5 yuan, decocted with water.

Trauma: 2 Liang of whole grass, decocted in water.

Snake bite, boil: fresh grass is mashed and applied to the affected area.

Administration and dosage: Oral: decocted, 6-9g. External use: fresh and appropriate amount, mashed.

Contraindications: Guizhou Materia Medica: Do not eat dry and spicy food.