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Internally, a tuber is filled with starch stored in enlarged parenchyma-like cells. The inside of a tuber has the typical cell structures of any stem, including a pith, vascular zones, and a cortex. [citation needed] The tuber is produced in one growing season and used to perennate the plant and as a means of propagation. When fall comes, the ...
The roots are an extensive and complex system of fine, fibrous roots and scaly rhizomes with small, hard, spherical tubers and basal bulbs attached. The tubers are 0.3–2.5 cm ( 1 ⁄ 8 –1 in) in diameter and the colors vary between yellow, brown, and black.
Oxalis tuberosa is a perennial herbaceous plant that overwinters as underground stem tubers.These tubers are known as uqa in Quechua, [1] oca in Spanish, yams in New Zealand and several other alternative names.
A stem tuber may form from thickened rhizomes or stolons. The tops or sides of the tuber produce shoots that grow into typical stems and leaves, and the undersides produce roots. Such tubers tend to form at the sides of the parent plant and are most often located near the soil surface.
A lignotuber is a woody swelling of the root crown possessed by some plants as a protection against destruction of the plant stem, such as by fire. [1] Other woody plants may develop basal burls as a similar survival strategy, often as a response to coppicing or other environmental stressors.
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.
Dioscorea villosa is a species of twining tuberous vine which is native to eastern North America.It is commonly known as wild yam, colic root, rheumatism root, devil's bones, and fourleaf yam. [4]
Cyperus rotundus is a perennial plant, that may reach a height of up to 140 cm (55 in).The names "nut grass" and "nut sedge" – shared with the related species Cyperus esculentus – are derived from its tubers, that somewhat resemble nuts, although botanically they have nothing to do with nuts.