1, Sycamore tree "China Sycamore" is a plant of Sycamore genus of Sycamore family, and it is also a deciduous tree with a height of15m; The trunk is straight and the bark is green and smooth. Originally from China, it is cultivated in all provinces in the north and south.
2. Rice is a kind of herbaceous plants, belonging to cereals, and it is also the most important and oldest food in rice, which is different from upland rice. Rice is native to China and India, and was planted in the Yangtze River valley of China seven thousand years ago.
3. Osmanthus fragrans is the common name of many trees of Melilotus in China. The representative variety Melilotus Vanilla, also known as Cinnamomum camphora, is an evergreen shrub or small tree of Melilotus, with hard and thin skin, long oval leaves and pointed tips, which are opposite and do not wither in winter.
4. Generally, maple leaves split in palm shape, about 13cm long, which is slightly wider than the palm of ordinary people. The largest three lobes have several prominent teeth, the base is heart-shaped, the leaves are rough, the upper leaves are medium green to dark green, the lower veins are hairy, and they turn yellow to orange or red in autumn. But a few areas are dark green.
5, sorghum, also known as millet, reed millet and so on. Gramineae, sorghum. Culms are stout and erect, with supporting roots at the base nodes. Leaf sheaths glabrous or a little powdery; Ligule is hard, the apex is round, and the edge is ciliate.
Extended data:
Autumn is the third season of the year, and the transition season from summer to winter is from September to165438+1October in the northern hemisphere, from March to May in the southern hemisphere, and from the autumnal equinox to the winter solstice in astronomy. Meteorologists study phenology according to the following criteria: after the summer heat, the five-day average temperature is below 22 degrees for autumn, and it ends below 10 degrees.
The most obvious change in the natural landscape is in the trees. Many fallen leaves will be cleaned up in the city, and many tourists will flock to the mountains to see the red leaves.