论文部分内容阅读
芡实(Euryale ferox Salisb.)属睡莲科芡属。原产东南亚,我国南北均产,多以采收芡实、制售芡粉和鸡头米为生产目的。它叶大无比,具有很高的观赏价值。1996年10月1日,它与同族王莲携手步入天安门广场,大放异彩。一、植物学特征及生物学特性芡实为一年生草本水生植物,根状茎短,叶在短茎上,呈三角形螺旋状生出,即每隔120度生出一叶,三片叶360度,正好为一圈,不会相互重迭;初生叶较小,箭形,沉水,谓沉水叶;以后生长的叶较大,圆形,直径1.5～2.3米,浮于水面,称浮水叶;面绿背紫,多皱纹,叶脉分枝处均被尖刺(见彩页)。叶柄长,中空,多刺。花通常伸出水面,径约
Euryale ferox Salisb. Is a Nymphaeaceae genus. Produced in Southeast Asia, both in North and South China are produced, and more to harvest Gorgon, the manufacture and sale of gizzard and chicken head for the purpose of production. It is extremely leafy, with a high ornamental value. On October 1, 1996, it entered the Tiananmen Square with its clan Wang Lian hand in hand to shine. First, the botanical characteristics and biological characteristics Gorgon really annual aquatic plants, rhizome short, short stems in the leaves, triangular spiral was born, that is, every 120 degrees to produce a leaf, three leaves 360 degrees, just for the A circle, will not overlap each other; newborn leaves smaller, arrow-shaped, submerged, that submerged leaves; after growing leaves larger, round, 1.5 to 2.3 meters in diameter, floating on the water surface, said floating leaves; Green purple, many wrinkles, vein branches are spiked (see color pages). Petiole long, hollow, prickly. Flowers usually reach out to the surface, about the diameter