1. Petunia: Solanaceae, Petunia. The official name is Petunia. Perennial herbs, often cultivated once or twice a year, 2-45 cm high; Stems grow prostrate and are mucilaginous;

The leaves are soft, oval, entire, alternate, and the upper leaves are opposite; The flower is solitary and funnel-shaped. The double flower is spherical, white, purple or all kinds of red, and it is very beautiful with its color edge. The flowering period is from April to frost. Capsule; The seeds are small. Distributed in South America, it is now widely popular in various countries.

2. magnolia (scientific name: Magnolia denudata? Desr.) is a plant of Magnoliaceae and Magnolia. Deciduous trees, 25 meters high, 1 meter in diameter at breast height, with wide branches to form a broad crown; Bark is dark gray, rough and cracked; Branchlets slightly stout, grayish brown; Winter buds and pedicels are densely covered with grayish yellow long silky hairs.

The leaves are papery, obovate, broadly obovate or obovate-oval, and the branches and leaves at the base are oblong. The bud is ovoid, the flower leaves open first, upright and fragrant, with a diameter of 1-16 cm; Pedicels are significantly enlarged and densely covered with yellowish long silk hairs; 9 perianth segments, white, often pink at the base; Stamens are 7-12 mm long and anthers are 6-7 mm long;

The pistil is narrowly ovate, 3-4 mm long, with a tapered style of 4 mm long. Aggregate fruit cylinder; _ _ Thick wood, brown, with white lenticels; Seeds heart-shaped, laterally compressed. The flowering period is February-March (it often blooms again in July-September), and the fruiting period is August-September.

3. Trifolium repens? L) Also known as white clover, white clover, white clover, Trifolium repens, Trifolium pratense, Dutch clover, etc., perennial herbs; Short-term perennial herbs, cultivated plants, sometimes escape as weeds, invade dry crop fields, and are not harmful to vegetables and young forests in some areas. The growth period is 6 years and the height is 1-3 cm.

the taproot is short, the lateral root and fibrous root are developed, the stem is creeping and creeping, the upper part rises slightly, the nodes take root, and the whole plant is hairless. Palmately trifoliate compound leaves; Stipules ovate-lanceolate, membranous, sheathing at the base, free parts acute.

4. Prynne (scientific name: Michelia alba? DC.): It is an evergreen tree of Magnoliaceae and Michelia, which is 17 meters high, with wide branches and a broad umbrella crown; DBH is 3 cm; Bark gray; Rub the branches and leaves with fragrance; The shoots and buds are densely yellowish-white puberulent, and the hairs gradually fall off when they are old. The leaves are thin leathery, oblong or lanceolate, hairless on the top and sparsely puberulent on the bottom, and the reticular veins on both sides are obvious when dry.

the flowers are white and very fragrant; 1 perianth segments, lanceolate; There are many pistils and carpels, and with the extension of receptacle at maturity, a sparse aggregate fruit is formed; _ _ Bright red when ripe. Flowering from April to September, blooming in summer, usually not fruiting.

5. Longevity flower (scientific name: Narcissus jonquilla? L.): It is one of the species of the genus Longevity. The plant is very slender, the plant height can reach 4 cm, the bulb is small, the leaves are bright green, narrow and linear, and there are grooves on the surface.

The stems are as long as the leaves, with 2-6 flowers at the top. The petals and the corona are golden yellow, with short tips. The edge of the corona is wavy, and the flowers are fragrant, with a diameter of 3 cm. The corona is only 4 mm high and about 1 cm in diameter.