Caragana sinica
Chinese pea shrub ( Caragana sinica )
The Chinese pea shrub ( Caragana sinica ) is a midget, bright yellow flowering shrub and a member of the Fabaceae ( Faboideae ). The natural range of the species is located in the north of China. It is sometimes used as an ornamental shrub.
Description
The Chinese pea shrub is a saving Riger shrub that reaches a height of 1 to 2 meters. The shoots are yellow brown and bare. The leaves are divided into petiole and leaf blade. The leaf blade is pinnate or sometimes fingered; the four leaflets are 1 to 3.5 inches long and 0.5 to 1.5 centimeters wide, obovate to oblong- obovate, with rounded or spiny tip. Both sides are dark green. The stipules verdornen. Petiole and leaf stem are 0.7 to 1.5, rarely up to 2.5 inches long, verdornend, or falling.
The butterfly flowers are individually about 1 centimeter long stems. The calyx is 1.2 to 1.4 inches long and bell-shaped. The corolla is pale yellow and 2.8 to 3.0 inches wide. The flag is narrow obovate, with short nail. The wings have ears, the nail is about as big as the plate. The boat is dull. The ovary is bald. The legumes are cylindrical and 3 to 3.5 inches long. The Chinese pea shrub flowers from April to May and the fruits ripen in July.
The chromosome number is 2n = 16 or 2n = 24
Occurrence and habitat requirements
The natural range is located in the Chinese provinces of Fujian, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Sichuan, Yunnan and Zhejiang. In Japan, it was introduced and has run wild. The Chinese pea shrub grows in steppes and dry forests in 400 m to 1800 m altitude on dry to fresh, mildly acidic to strongly alkaline, sandy, sandy- gravelly or sandy- loamy soils in full sun to light shade locations. The species is sensitive to moisture, warmth, and usually frost hardy.
System
The Chinese pea shrub ( Caragana sinica ) is a species of the genus of the pea shrubs ( Caragana ) in the legume family ( Fabaceae ). There she is assigned to the tribe Hedysareae in the subfamily of the Fabaceae ( Faboideae ). Pierre Joseph Buc'hoz has the kind first described in 1784 as Robinia sinica ( basionym ), and assigned so that the genus of black locust (Robinia ). Alfred Rehder she put 1941 in the genus of the pea shrubs ( Caragana ). The genus name is derived from the medium Caragana Turkish word " qaraqan ", which denotes a pea shrub, the epithet sinica comes from the Greek and means " Chinese".
Use
The Chinese pea shrub is rarely used due to the decorative flowers as an ornamental shrub.