In the Loess Plateau farmhouse, often see the acacia tree. Then the acacia flower is usually a few months to bloom? According to information, native to China's acacia flowering June-July, fruiting August-October, native to North America's acacia bloom in April-May each year, the flowering period is generally about 10-15 days.
The acacia is up to 25 meters high; the bark is gray-brown, with longitudinal cracks. The current year's branches are green and glabrous.
Acacia pinnately compound leaves up to 25 cm long; leaf axis initially sparsely pilose, immediately glabrescent; petiole base expanded, wrapped with buds; stipules variable in shape, sometimes ovate, leaf-like, sometimes linear or subulate, caducous; leaflets 4-7 pairs, opposite or subopposite, papery, ovate-lanceolate or ovate-oblong, 2.5-6 cm long, 1.5-3 cm wide, apex acuminate, apiculate, with a small cusp. base broadly cuneate or suborbicular, slightly oblique, grayish white below, sparsely pubescent at first, becoming glabrous; stipules 2, subulate. Flowering in June-July, fruiting in August-October.
Robinia pseudoacacia is also known as acacia. Native to North America, now widely introduced to Asia, Europe and other places. Acacia bark is thick, dark, cracked; leaf roots have a pair of 1~2mm long spines; flowers are white, scented, spikes; fruit pods, each pod has 4-10 seeds. The wood of acacia is hard, resistant to decay, slow-burning and has a high calorific value. Acacia flowers are edible.
Acacia flowers produce sweet honey and high honey yields. Cultivated variants include the ICP acacia, the red-flowered acacia, and the golden-leaved acacia. ICP is the fastest growing of all the acacia trees and is known as the king of acacia trees.
The acacia flowers have a good ornamental value, every time the flowering period, a string of acacia flowers decorated with branches, the air is filled with a light elegant . The fragrance is refreshing.
Ancient Middle Earth and acacia flowers related poems, such as: "curling autumn wind more, acacia flowers half into the real" (Bai Juyi "Autumn Day"), "the wind dance acacia flowers fall Royal Gully, the end of the South Mountain color into the city in the autumn" (Zilan "Chang'an early autumn.").
These poems are about the native Chinese species acacia, not acacia or acacia, which was introduced to China from North America in the second half of the 19th century, and which must be recognized as such.