Cycas is a Cycas plant of Cycadaceae.
Cycas is an evergreen palm-shaped woody plant with a stem height of 0.5 to 8 meters and a general height of 2 meters. 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, 0.4 to 2 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.
Like light, slightly tolerant of semi-shade. When planting in the open field in cold and warm areas, warm measures such as straw wrapping should be taken in winter. I like fertile, moist and slightly acidic soil, but it can also resist drought. Slow growth, 10 years old plants can bloom.
Cycas grew slowly and lived for more than 200 years. A new leaf can be pulled out from the top of the stem every year.
Cycas cycads grow slowly. Generally 15 to 20 years old trees can bloom and are not easy to see. Therefore, there is a saying that the cycad opened the cycad for a thousand years, which means to open less. But in fact, as long as the temperature and climate conditions are suitable, Cycas can bloom every year.
Flowers can be seen every year when the growing environment in the south is good. If transplanted to the north, due to the low temperature and dry climate, the growth will be very slow and the flowering will become less.
Cycas are dioecious. In the south, the flowering period of Cycas can be as long as 1 month. Generally, it is a male flower that blooms in June-August, and a female flower that blooms in10-1month. The male flower is a columnar inflorescence and the female flower is a spherical inflorescence, which is easy to identify.
Cycas is a beautiful ornamental tree species, which is widely cultivated. Its stem contains starch and can be eaten. Seeds are rich in oil and starch and are used for food and medicine.
Beautiful ornamental plants, suitable for planting alone in lawns, such as parks and other places, with some tropical flavor.
Cycas has a beautiful tree shape, vigorous and simple, large and beautiful leaves and dense green tops, which has a unique ornamental effect. If arranged in gardens and large venues, it can look solemn; Located in the center of the flower bed, it makes people feel quiet; As a foil to ancient buildings, it is simple and vigorous; As a modern building, the four seasons are thick green and pleasing to the eye; Planting beside the temple has a wonderful effect of avoiding evil spirits.
Cycas is one of the oldest tree species in the world. The tree is simple, the stem is as hard as iron, the shape is beautiful, the top leaf is big, clean, smooth and bright, oily green and evergreen all the year round. Bonsai can be placed in the courtyard and indoors, and it is a precious foliage plant. The old stems of Cycas are covered with traces of fallen leaves, which, like fish scales, have a unique charm. If the basin is matched with a smart stone, it will be more elegant.