What's the difference between grass and tree?

Grass generally refers to herbaceous plants, while trees are the general name of woody plants, which are mainly composed of roots, stems, branches, leaves, flowers and fruits. And the stem structure of grass and tree is different, its xylem is less developed, and the xylem of woody plant stem is well developed.

1. Some species of grass

1. Euphorbia angustifolia

Langba grass alias ghost needle, three flowers ghost needle, ghost fork, ghost needle, ghost thorn. It is an annual herb with a neck height of 20-100 (200) cm. It often grows on hillsides, valleys, streams, grass and rice fields. It is a common weed. It belongs to Compositae and Bidens. Stem erect, subquadrangular, glabrous or distally sparsely hirsute.

two。 Dog tooth root

Gouya Root is widely distributed in the provinces south of the Yellow River in China, is distributed in warm areas all over the world, and has been cultivated near Beijing. Most of them grow near villages, roadside riverbanks and wasteland slopes.

3. Purple field root

Perennial, semievergreen; leaves green, erect tufted. The height of the plant is 150-180 cm; the exhibition area is 50-80 cm; purplish red spikes are hung from September to January of the following year.

4. Jade belt grass

The jade belt grass is perennial and has roots. The leaves are flat, green with white stripes, soft and ribbon-like. Panicle dense and narrow, 8-15 cm long, branches straight upward, dense spikelets. The flowering and fruiting period is from June to August. It is distributed in most parts of China, which is born under forests, moist grasslands or wet places at an altitude of 75-3200 meters.

2. Some kinds of trees

1. Pomegranate tree

Pomegranate deciduous trees or shrubs; simple leaves, usually opposite or fascicled, without stipules. Flowers terminal or subterminal, solitary or several fascicled or forming Cymes, subcampanulate, lobes 5-9, petals 5-9, wrinkled, imbricate arranged; ovules numerous. The berries are globose, with persistent calyx lobes at the top, and the pericarp is thick; the seeds are numerous, the berries are subglobose, and the fruit maturity is from September to October. Testa fleshy translucent, succulent; endocarp leathery.

two。 Tea tree

Tea trees are shrubs or small trees of the family Theaceae and Camellia, and their twigs are glabrous. Leaves leathery, oblong or elliptic. Life is divided into seedling stage, juvenile stage, adult stage and aging stage. The tree can be up to one or two hundred years old, but the economic age is generally 40 to 50 years old.

3. Ginkgo tree

Ginkgo biloba is a large deciduous tree, also known as ginkgo tree and Gongsun tree. It was once one of the rare tree species left in China, known as "living fossil". The fruits and leaves of Ginkgo biloba have high medicinal value and edible value. It blossoms in April and matures in October.