Cycas cycad, the scientific name of Cycas cycad, is the most primitive seed plant on the earth. Because its tree age can reach 200 years, it has the reputation of "giant panda" and "living fossil" in the plant world. Usually, Cycas with the age of 15 to 20 years can only bloom once every few years. In addition, artificial pollination technology is immature and difficult to bear fruit.
Hemlock fruit is ovoid or broadly obovoid, with a sharp tip, yellow-brown or light brown when ripe, hard, smooth and shiny seed coat, about 2-3 cm long, with a diameter of 1.8-2.5 cm.
Extended data:
The trunk of Cycas Cycas is short, the base of Cycas Cycas grows into a discoid stem, and the upper part gradually narrows into a cylindrical or ovoid cylindrical shape, with a height of 30- 180 cm, or slightly higher, with a diameter of 10-60 cm, and the lower part branches occasionally. The pinnate leaves are 120-250 cm long, or longer, and are pilose when they are young. The cross section of leaf axis is semicircular, nearly circular or triangular, the petiole is 40- 100 cm long, and there are thorns on both sides. The thorns are slightly inclined downward, conical, about 3 mm long, straight or slightly curved, and the distance between thorns is 2.5-.
There are 40- 120 pairs or more, which are sparsely arranged in two rows on the leaf axis. The middle pinnate lobes are about 2 cm apart, straight or slightly curved in a needle-like strip shape, 25-33 cm long and 1.5-2.2 cm wide, thin leathery, slightly thick at the edge, slightly curved downwards.
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