Plant stem

Stem showing internode and nodes plus leaf petioles

This above-ground stem of Polygonatum has lost its leaves, but is producing adventitious roots from the nodes.

Flax stem cross-section, showing locations of underlying tissues. Ep = epidermis; C = cortex; BF = bast fibres; P = phloem; X = xylem; Pi = pith

A stem is one of two main structural axes of a vascular plant, the other being the root. The stem is normally divided into nodes and internodes:

The term "shoots" is often confused with "stems"; "shoots" generally refers to new fresh plant growth including both stems and other structures like leaves or flowers. In most plants stems are located above the soil surface but some plants have underground stems.

单词	Pseudostem
释义	Pseudostem 英语百科 Plant stem A stem is one of two main structural axes of a vascular plant, the other being the root. The stem is normally divided into nodes and internodes: The term "shoots" is often confused with "stems"; "shoots" generally refers to new fresh plant growth including both stems and other structures like leaves or flowers. In most plants stems are located above the soil surface but some plants have underground stems.
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Pseudostem

Plant stem