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Corm, bulbo-tuber, or bulbotuber is a short, vertical, swollen underground plant stem that serves as a storage organ that some plants use to survive winter or other adverse conditions such as summer drought and heat (perennation).
Corm - Short, upright, hard, or fleshy stems covered with thin, dry papery leaves. Rhizome - With reduced scale-like leaves. The top can generate leafy stems while the bottom can produce roots. Iris and many grasses. Stolon - Horizontal stems that run at or just below the soil surface with nodes that root and long internodes, the ends produce ...
A corm is a short, vertical, swollen underground plant stem consisting of one or more internodes with at least one growing point, with protective leaves modified into skins or tunics. The thin tunic leaves are dry papery, dead sheaths, formed from the leaves produced the year before.
A stem is one of two main structural axes of a vascular plant, the other being the root. ... Corm: A short enlarged underground storage stem, e.g. taro, ...
As an example of an intermediate, the tuber of Cyclamen arises from the stem of the seedling, which forms the junction of the roots and stem of the mature plant. In some species (e.g. Cyclamen coum ) roots come from the bottom of the tuber, suggesting that it is a stem tuber; in others (e.g. Cyclamen hederifolium ) roots come largely from the ...
These stolons from the corm of a Crocosmia are stems that emerged from axillary buds at the nodes of the tunic leaves. Stolons may have long or short internodes. The leaves along the stolon are usually very small, but in a few cases such as Stachys sylvatica are normal in size. [3] Stolons arise from the base of the plant. [4]
Stolons growing from nodes from a corm of Crocosmia. A stem tuber is a thickened part of a rhizome or stolon that has been enlarged for use as a storage organ. [10] In general, a tuber is high in starch, e.g. the potato, which is a modified stolon. The term "tuber" is often used imprecisely and is sometimes applied to plants with rhizomes.
The stems are 20–40 cm tall, erect, branching, and slightly hairy, with a swollen corm-like base. [2]: 120 [3] There are alternate and sessile leaves on the stem. The flower forms at the apex of the stems, with 5–7 petals, [3] the sepals strongly reflexed. [2] The flowers are glossy yellow and 1.5–3 cm wide. The plant blooms from April to ...