What are the common ornamental varieties of wild Rosa?

What are the common ornamental varieties of wild Rosa?

Application of Muxiang Flower in Garden

Application of yellow wood incense in garden

When it comes to rose, everyone knows, it has colorful and fragrant flowers, widely used in horticulture and cut flowers, and is loved by people all over the world. Rose varieties are extremely rich, there are tree rose, Fujimoto rose, Fenghua rose, large flower rose, ground cover rose, miniature rose, now all kinds of cultivated varieties are popular and are widely used in landscaping.

As we all know, Chinese rose (Rosa chinensis), which originated in China, plays a more important role in the cultivation of modern rose varieties than any other species. It brings rare continuous flowering and shrub conditions to new varieties. China is extremely rich in Rosa plant resources, with 82 native species of Rosa, accounting for 41% of the world's total, and is one of the main distribution areas of wild roses. Most of them have good resistance and ornamental characteristics, which can meet the requirements of urban landscaping, and can be used as the original material for cultivating resistant rose, which is worthy of extensive attention.

1. Wild Rose (Rosa multiflora)

Also known as multi-flowered rose. Liana shrub, 2-3 m tall, stems and branches with flattened prickles, leaflets 5-9. Flowers densely paniculate corymbose, single or semidouble, white or slightly pinkish, 2-3 cm in diameter, slightly fragrant. The fruit is globose, about 6 mm in diameter, brownish red when ripe, flowering from 4 to 5 months, and fruit ripening from September to October. Wild rose has the characteristics of cold tolerance, drought tolerance and less diseases and insect pests, so it is often used as the rootstock of grafted rose, and it is also a good flowering plant in spring.

two。 Rosa multifloravar. Cathayensis)

A variety of wild roses having large single pink or rose flowers and a Corolla 3-4 cm in diameter almost twice the size of the wild rose. Leaflets 1.5-5 cm long, margin serrated, 5-7 pinnately compound leaves. The fruit is red and shiny. Pink rose in Hebei, Gansu, Shaanxi and other places can overwinter in the open field, strong habits, is a good flowering plant.

3. Emei Rose (Rosa omeiensis)

Erect shrub, 3-4 m tall, branchlets reddish brown, often spiny; prickles often inflated at base. White flowers solitary, petals 4, ebracteate, pedicel and receptacle glabrous, Corolla 2.5-3.5 cm in diameter. Fruit pear-shaped, bright red, with yellow fleshy pedicels. The flowering period is from May to June and the fruiting period is from July to September. Emei Rose is distributed in Yunnan, Sichuan, Guizhou, Hubei, Shaanxi, Gansu, Qinghai and Xizang, and was born in mixed forests or shrubs at an altitude of 2000m to 3000m. The full flowering period is full of white flowers and the fruit period is full of red fruit, which is very beautiful, so it is an excellent germplasm resource of Rosa.

4. Bud Rose (Rosa bracteata)

Evergreen creeping shrubs with trailing stems and stout hooked prickles. White flowers solitary, Corolla 5-7 cm in diam., fragrant, calyx with 5 lobes. Fruit globose, 3-3.5 cm in diam., brown, grayish yellow woolly, calyx lobes persistent, containing most bony berries. The florescence is from May to June. The fruit period is from October to November. Distributed in Zhejiang, Fujian, Hunan and other places, the stem trailing, showing a creeping shape, is an excellent ground cover plant, but also a good parent for rose breeding.

5. Golden Sakura (Rosa laevigata)

Evergreen trailing shrub having branchlets densely spiny except for hooked prickles. Leaflets 3, a few 5, stipules linear, separated from petiole, caducous. Flowers solitary, lateral branches apical, white, 5-9 cm in diam., pedicel and calyx tube densely spiny outside. The fruit is 2-4 cm long, with fine spines and long extroverted persistent sepals at the top. The florescence is May and the fruiting period is from September to October. Golden cherry is distributed in central, eastern, southern and southwestern China. It is a rare flowering plant in late spring. Its medicinal value is outstanding, the fruit is used as medicine, it can be used for diuresis and tonifying the kidney, the leaf has the effect of detoxification and detumescence, and the root can promote blood circulation and disperse blood stasis, extract toxin and converge, dispel wind and dampness.

6. Silk reeling flower (Rosa roxburghii)

Develop shrubs, 1 to 2.5 meters high. Leaflets 9-15, elliptic or oblong. Flowers solitary or 2-3, on top of short branches; flowers 5-6 cm in diam.; sepals usually broadly ovate, apex acuminate, inner surface densely tomentose, outside densely prickly; petals double to semidouble, light red or pink, slightly fragrant. Fruit oblate, 3-4 cm in diameter, green-red, with dense needles outside. The flowering period is from May to July and the fruiting period is from August to October. Produced in Shaanxi, Gansu, Jiangxi, Anhui, Zhejiang, Fujian, Hunan, Hubei, Sichuan, Yunnan, Guizhou, Xizang and other provinces and regions, are wild or cultivated. The real taste is sweet and sour, contains a lot of vitamins, can be used for food and medicine, but also can be used as the raw material of boiled sugar wine, root boiling water to treat dysentery. The flowers are beautiful and cultivated for ornamental use. Prickly branches can be used as hedges.

7. Wood fragrant flower (Rosa banksiae)

Climbing shrubs, up to 6 m high; branchlets Terete, glabrous, with short prickles; prickles on old branches are large, hard, and sometimes unarmed after cultivation. Leaflets 3-5, sparse 7. Flowers small, many umbels, 1.5 to 2.5 cm in diam.; petals double to semidouble, white, Obovate, apex rounded, base cuneate. The florescence is from April to May. Born in Sichuan and Yunnan, born in thickets of streams, roadsides or hillsides. It is cultivated all over the country. Flowers contain aromatic oil, which can be used for the preparation of essence cosmetics. Famous ornamental plant, often cultivated for climbing scaffolding. It is not hardy and can only be used as a potted plant in North and Northeast China. It can be moved indoors to prevent freezing in winter.

8. Yellow wood fragrant flower (Rosa banksiaef.lutea)

It is different from Rosa banksiae in that the flower is yellow, double-petal and unscented. Made in Jiangsu. There are more flowers and the florescence is longer.

Tips: a guide to rose, rose and rose identification