Why did the buttonwood fall on the buttonwood?

The phoenix falls on the plane tree, indicating that talents are appreciated.

Indus is a plant of the genus Indus.

Platanus acerifolia originated in China and is widely cultivated in North China, South China and Southwest China, especially in the Yangtze River basin. Northwest China is not suitable for planting.

Indus, up to 15 to 20 meters, DBH 50 cm; ; The trunk is straight, bright and clean, with high branches; Bark green or grayish green, smooth, usually indehiscent. Branchlets are stout, green, with pulp rust-colored pilose buds, plant height 10 ~ 20 meters, smooth bark and flaking; The shoots have tawny fluff; The old branches are smooth and reddish brown.

The leaves are large, broadly ovoid, wide 10-22 cm and long 10-2 1 cm. Leaf blade splits 3-5 in the middle, and the length is slightly shorter than the width. The bottom is truncated, broadly heart-shaped or slightly wedge-shaped. The lobes are wide and triangular, with several coarse serrations on the edges. When young, the upper and lower surfaces were grayish yellow, and then became hairless. Petiole 3 to 10 cm long, densely covered with yellow-brown fluff; Stipules are 1 to1.5cm long, sheathlike at the base and dehiscent at the upper part.

Panicle about 20 cm long, short tomentose; Flowers unisexual, apetalous; Calyx tube is about 2 mm long, 5 lobes, strip-lanceolate, about 10 mm long, with yellowish short villi outside; Staminal column of male flower is as long as calyx lobe, and anther is about15 at the top of staminal column; Female flower, pistil with stalk 5, carpel ovary partially free, and staminodes at the base of ovary. Cleavage before maturity, papery, 7 to 9.5 cm long; Follicle, with spherical seeds, is divided into five mericarps, which split into boats before maturity, and the seeds are born on the edge.

Fruit branches have spherical fruits, two long and often drooping, with a diameter of about 2.5 to 3.5 cm. Nutlets are about 0.9 cm long and have long hair at the base. The flowering period is May, and the fruiting period is from September to 65438+ 10. Seeds 4 to 5, globose. Seeds are green when they are immature and orange-red when they are mature.

Platanus acerifolia likes light, warm and humid climate, and its cold tolerance is not strong; The soil is fertile, moist, deep and well drained, and can grow on acidic, neutral and calcareous soil, but it is not suitable for planting in waterlogged depressions or saline-alkali land, and it is not tolerant of grass shortage. Water can easily rot roots, and waterlogging for five days can kill you. It usually grows well in plains, hills and canyons. Deep roots and strong roots; The germination potential is weak. It grows fast and has a long life span, and can live 100 years. Leaves grow late and fall early in autumn. Afraid of big moths, afraid of strong winds. It should be planted on the edge of villages, houses, hillsides and limestone hillsides.