Yesterday, today, tomorrow-- Mandarin duck jasmine

Mandarin duck jasmine is an evergreen dwarf shrub of Solanaceae, which is an excellent potted flower placed in the open air in summer and indoor layout in winter in North China. Mandarin duck jasmine is 50 to 100 cm tall, single leaf alternate, flowers mostly solitary, few accumulate. Corolla is a high dish-shaped, lobed, flowering from April to October, a single flower blooming for about 5 days. The flower begins to bloom blue-purple, gradually changes to snow blue, and finally becomes white. Because the flowers bloom successively, blue-purple and white flowers can be seen on the same plant at the same time, so it is also called bicolor jasmine. Its English name means "yesterday, today, tomorrow". This vividly depicts the special changes in the color of the flowers.

Mandarin duck jasmine

Morphological features:

Perennial evergreen shrubs are excellent potted flowers placed in the open air in summer and indoor layout in winter in North China. The plant height is about 70cm to 150cm. After dwarfing in pot, the plant height can be reduced to 30cm~60cm. The stem bark is dark brown or gray-white, the branching force is strong, and the periderm is longitudinally split. Simple leaves alternate, long lanceolate or elliptic, apex acuminate, shortly stipitate, mouth ten sides grass green. The leaf is 5-7 cm long and 1.7-2.5 cm wide, papery, ventral green, yellowish green on the back, and the leaf margin is slightly wrinkled.

Flowers single or several in clusters, sometimes several forming Cymes. Corolla saucer-shaped, lobed. The Corolla is 4cm~5cm in diameter, the calyx is simple, and the stamens and pistils are located in the small hole in the center of the Corolla. Flowers solitary or 2-3 clustered in leaf axils, high-footed dish-shaped flowers, Corolla 5-lobed, petals serrated obviously. The flower is mushroom-shaped and dark purple at the beginning of budding, blue-purple at the beginning, then gradually into light snow cyan, and finally becomes white, and a single flower can bloom for 3 to 5 days. The fragrance of the flowers is rich, and the fragrance is different from that of ordinary jasmine.

Mandarin duck jasmine

Growth habits:

Mandarin duck jasmine is native to tropical Central and South America and enjoys warm, moist and sunny climates. Its cold tolerance is not strong, and the suitable temperature for growth is 18 ℃ 30 min, which should not be lower than 10 min. In a semi-overcast and ventilated environment, indoor cultivation should have at least 4 hours of light, blossom and flourish under sufficient sunshine conditions, and it can tolerate semi-shade, drought, waterlogging and barren. Pot planting in greenhouse in East and North China requires slightly acidic soil with loose substrate and good drainage, and alum fertilizer and water are often supplemented in summer in order to make the leaves green and bright, branches and flowers numerous.

Mandarin duck jasmine

Distribution:

Jasmine is native to the south of the Yangtze River and the western region of China; in India and Arabia, the central producing area is near the Persian Gulf, and is now widely planted in the subtropics. Mainly distributed in Iran, Egypt, Turkey, Morocco, Algeria, Tunisia, as well as Spain, France, Italy and other Mediterranean coastal countries, India and Southeast Asian countries are cultivated.

Ornamental value:

The flowers of mandarin duck jasmine are colorful and fragrant, so they are suitable for planting in garden and green space, and can also be viewed in potted plants. Mandarin duck jasmine is ornamental, easy to plant and breed. Mandarin duck jasmine has become an important potted ornamental flower because of its different flowering period, showing a tree of two colors and the fragrance of jasmine. Mandarin duck jasmine leaves are green, purple, blue and white, fragrant and strong, people often use it to decorate and beautify courtyards, balconies, windowsills, corridors and other places, elegant and pleasant.