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马茹刺(蕤核)Prinsepia uniflora Batal,是蔷微科扁核木属灌木,在干旱的陕西、甘肃黄土丘陵区到处均有分布,耐旱、耐寒,耐瘠薄,根蘖萌发能力强,根系发达,果可食,核可入药,保持水土作用大,易繁殖,经济价值高。 一、生长状况:马茹刺在年降水量200～500mm、海拔800～2000m高度的干旱地区均可茁壮成长,一年长高1～1.2米,枝细带刺,皮灰白色,具黑点,常剥落。叶互生,线形或方形,深绿光亮。背面淡绿色。托叶刺状,常宿存基部,成为小刺,花2～4朵,丛生于老枝的叶腋,从根到梢,与叶杂生,成稠密花枝,4～5月开花,清香美丽。果7～8月成熟,核果,味酸甜能食,核仁可榨油,入中药。
Prinsepia uniflora Batal, a branch of the genus Myceliophthis, is distributed everywhere in the arid Shaanxi and Gansu loess hilly regions. It has the characteristics of drought tolerance, cold tolerance, barren tolerance, strong root and shoot development, Developed, edible fruit, approved for medicine, to maintain the role of soil and water, easy reproduction, high economic value. First, the growth status: Ma Ru thorn in the annual rainfall of 200 ~ 500mm, altitude 800 ~ 2000m height of the arid areas can thrive, grow 1 to 1.2 meters a year, branchlets prickly, gray skin, with black spots, often Peeling off. Leaves alternate, linear or square, dark green light. Back light green. Cervical spines, often dormant base, a small thorn, flowers 2 to 4, clustered in the old axillary axils, roots to shoots, and leafy miscellaneous, into dense flowering branches, 4 to May flowering, fragrance beautiful. Fruit 7 to August mature, stone fruit, sweet and sour energy, kernel oil can be squeezed into the Chinese medicine.