1, peony (scientific name: peony? Parr. ), alias Particao and Huahua Prime Minister, belong to Acanthaceae and Paeonia is a perennial herb. The tuberous root is born from below the root neck, fleshy, stout, spindle-shaped or long cylindrical, with a diameter of 0.6 ~ 3.5 cm. Peony petals are obovate, and the disk is shallow cup-shaped. The flowering period is from May to June, and the flowers are usually planted at the top of the stem or near the axils of the top leaves. The original flower is white with 5 ~ 13 petals. Horticultural varieties are rich in color, including white, pink, red, purple, yellow, green, black and multicolor, with flower diameter 10 ~ 30 cm and hundreds of petals. The fruit is spindle-shaped, and the seeds are round, rectangular or pointed.
2. Lavender (Latin scientific name: lavender. ) Also known as perfume plants, Lingxiang, Vanilla, Yellow Vanilla, Lavender. It belongs to Lavender, a small shrub in Labiatae. Stems erect, stellate tomentose, old branches grayish brown, with strip-like peeling cortex. The leaves are strip-shaped or lanceolate, covered with sparse or dense gray stellate villi, grayish white or olive green when dry, and curled all over. Cymbals gather at the top of branches to form discontinuous or nearly continuous spikes; Bracts rhomboid-ovate, bracteoles inconspicuous; Calyx ovoid tubular or nearly tubular; The corolla is about twice as long as Cao's, with a straight tube and glandular hairs in the throat.
3.cosmos (scientific name: Cosmos bipinnataCav). ), alias: Universe, Qiu Ying. Annual or perennial herbs, 1-2 m high. Roots fusiform, fibrous roots, or adventitious roots near the base of stems. Stem glabrous or slightly pilose. The leaves are pinnately parted and the lobes are linear or filiform. Head solitary, 3-6 cm in diameter. The outer layer of involucral bracts is lanceolate or linear-lanceolate, nearly leathery, light green, with deep purple stripes.
4. Sunflowers (Latin: Sunflowers? AnnuusL。 ) is a plant of the genus Helianthus in Compositae. 1 ~ 3.5m high. The stems are erect, round and angular, hard and covered with white coarse bristles. Leaves broadly ovate usually alternate, apex acute or acuminate, base with 3 veins, margin coarsely serrated, both sides rough, hairy and long handle. Head inflorescence, diameter 10 ~ 30 cm, solitary at the top of stem or branch.
The involucral bracts are multi-layered, leafy, imbricate, with long bristles, bloom in summer, and have neutral yellow tongue-shaped flowers at the edge of inflorescence, which do not bear fruit. The middle of the inflorescence is a bisexual tubular flower, brown or purple, which can bear fruit. Achenes are oval, lignified, gray or black, and are called sunflower seeds.
5. Coreopsis (scientific name is Coreopsis drummondii? Tuo. Et Gray) is a perennial herb of Coreopsis in Compositae, and its leaves are mostly opposite, sparse, alternate, entire, shallow or sharp.
The flowers of Coreopsis are solitary or sparse panicles with yellow, brown or pink tongue-shaped flowers. Tubular flowers are yellow to brown. Spring is broadcast in the open air at the end of April, and it blooms in July and August, and the mid-term flowers of 10 bloom one after another. Two-year-old Coreopsis, which blooms at the end of May and the beginning of June in early spring, has been open until the middle of 10.
Native to the southern United States. Cold-resistant and drought-resistant, not demanding on soil, like light, but tolerant to semi-shade, strong adaptability and strong resistance to sulfur dioxide. It is easy to cultivate and can often reproduce itself. Sowing or branching propagation is often used in production, and cutting propagation can also be carried out in summer.
6, corn poppy, cold-resistant, afraid of summer heat, like sunny environment, like well-drained and fertile sandy loam. Not resistant to transplanting, can self-sow. The flowering period is from April to May.
The posture is lush and graceful, and it is fascinating to watch butterflies spread their wings because of the wind. Yu Meiren has both elegant beauty and gorgeous beauty, and the two are in harmony and unity. Its appearance has the charm of China's classical art, and it can be called a wonderful flower among flowers and plants.
Flowers are solitary at the top of stems and branches, and the buds are oblong and obovate, drooping; Sepals 2, broadly elliptic; 4 petals, round, oval or obovate in transverse width, 2.5-4.5 cm long, entire, sparsely crenate or notched at the top, purplish red, with purple spots at the base. Capsule broadly obovate, long 1-2.2 cm, glabrous, with inconspicuous edges. Most seeds are kidney-shaped, oblong and about 65438 0 mm long. The flowering and fruiting period is from March to August.
Extended data:
Sugen flowers and plants
Perennial flowers refer to perennial herbs that can survive for more than 2 years and bloom every year after maturity.
The main cultivated varieties of perennial flowers are: Paeonia lactiflora, Dianthus chinensis, Funnel, Paeonia lactiflora, Abelmoschus manihot, Hydrangea, Hosta, Belamcanda, Iris, etc. Variety, rich and colorful, strong adaptability, once planted, many years of viewing.
Biennial flowers are self-flowering.
Flowers that complete their life cycle in two growing seasons. It takes two years from sowing, flowering to death. In the first year, only vegetative growth is carried out, and then it must go through the low temperature in winter, and then it will blossom and die in the second year. Such as corn poppy, carnation and foxglove.
growing environment
Cold tolerance, fast growth, strong adaptability, low requirements for soil and environment, easy cultivation and self-sowing.
References:
Perennial Flowers-Baidu Encyclopedia
Biennial Flower-Baidu Encyclopedia