Displaying 1 - 14 out of 14 Object(s)
Term | Definition | |
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Bulb | A short, underground stem covered by enlarged and fleshy leaf bases, e.g., an onion. | |
Bulblet | A small, short, more-or-less underground stem covered by enlarged and fleshy leaf bases which arises from a bulb, a bublet may eventially grow into a bulb; a bulblike, above ground structure, usually in leaf axils or sometimes in inflorescences. | |
Caudex | A short, vertical, usually woody and persistent stem at or just below the surface of the ground. | |
Contractile roots | Referring to a root that elongates and then contracts, usually to keep a bulb, corm, or rhizome at a certain level in the ground. | |
Corm | A fleshy below ground storage organ derived from the base of the stem. | |
Cormlets | Small corm that are produced at the base of a corm. | |
Diffuse roots | A root system that consists of many more-or-less branches of equal sizes, i.e., there is no taproot. | |
Fibrous roots | A root system characteristic of monocots in which all of the branches are approximately equal in diameter. Compare with taproot. | |
Proteoid roots | In the Proteaceae, small, lateral roots of limited growth that form dense clusters on “ordinary” roots. | |
Rhizome | A prostrate stem below the ground that sends off rootlets and vertical stems or leaves; in the Poaceae, lateral underground stems that collectively constitute a “sod” from which leafy stems emerge. | |
Taproot | A large primary root, markedly larger than other roots arising from it, that may persist in adult plants and is characteristic of dicots. Compare with fibrous roots. | |
Tuber | An underground, swollen part of a stem or a root that functions in food storage. | |
Tunic (tunicate) | The outer, dry and papery covering of a bulb or corm (possessing a tunic). | |
Xylopodium (plural = xylopodia) | An underground, woody, storage organ derived from stems or roots and common in cerrado vegetation. |