How many varieties of Cycas are there?

Cycas, also known as fire bananas, got its name because its trunk is as hard as iron and it likes iron-containing fertilizers. In the south, the branches and leaves of Cycas are very similar to phoenix tails, so the south is also called Cycas phoenix tails.

Simisu iron

Cycas is an evergreen palm-shaped woody plant with a stem height of 1 ~ 8m. Stems terete, unbranched. After the growth point is destroyed, a cluster of branches and buds can grow under the wound, which is multi-headed. The leaf base and leaf scar left on the stem are scaly. Leaves grow from the top of the stem, 1 pinnate compound leaves, 0.5 ~ 2.0 meters long, thick leathery and hard, pinnate. Leaflets are linear, rolled in at birth, and then spread obliquely upwards, slightly V-shaped, with sharp edges rolled downwards, with dense rust-colored villi on the back of leaves and needle-shaped leaflets at the base. Dioecious, flowering from June to August, male cones are cylindrical, microspore leaves are woody, densely covered with yellow-brown villi, and most anthers are inserted on the back; The female flower is oblate, the megaspore leaves are broadly ovoid, the upper part is pinnately divided, and there are 2 ~ 4 exposed vertical ovules on the lower sides. Seed 65438+ripens in February, with large, oval and slightly flat seeds, which are reddish brown or orange when ripe.

Chinese name: cycad

Latin scientific name: cycad

Nicknames: phoenix-tailed banana, fire-resistant banana, phoenix-tailed pine, golden fruit, iron banana, fire banana and banana.

Field: the field of plants

Phylum: gymnosperm phylum

Outline: Cycas

Purpose: Cycas

Group: Cycadaceae

Genus: Cycas

Distribution: East Asia, Southeast Asia, Oceania, Madagascar and other tropical and subtropical regions.

English name: cycad