What are the types of plant stems?

According to the different growth habits of plants, the stems of plants are also different. Erect stem refers to a plant whose stem grows upright on the ground and does not need to attach any other objects. Common plants are perilla frutescens, Eucommia ulmoides, pine, fir and so on.

According to the different habits of different plants, lianas can be divided into winding stems, climbing stems and creeping stems.

The stem of this plant is long and thin, and it likes to spiral around other objects. Among them, the plants of the five herbs are wound on the object clockwise; Petunia and Aristolochia twine objects counterclockwise; Polygonum multiflorum Thunb. The prison monkey peach likes to wrap objects in an irregular way.

(2) Climbing stem The stem of this plant is very slender, and it needs to climb the structure of the object to make its stem grow well. Among them, the climbing structure of buildings, grapes and other plants is stems and vines; The climbing structure of pea is tendrils; The climbing structure of Parthenocissus tricuspidata is sucker; The climbing structure of Uncaria rhynchophylla and Typha latifolia is hooked; The climbing structure of Roche and Li Xue is adventitious root.

(3) Stolon, a plant with slender stems, likes to lie on the ground, spread and grow along the ground, and has adventitious roots on its branches, which can absorb a lot of nutrients from the ground during its growth. Such as Glechoma, Centella asiatica, sweet potato and other plants; The stems of plants whose nodes do not produce adventitious roots are procumbent stems, such as plants such as myogenic and Parthenocissus tricuspidata.

In addition to the above types, plant stems can be divided into herbaceous vines and woody vines according to the different texture of plant stems.