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Bulb

Bulb

In botany, a bulb is a short stem with fleshy leaves or leaf bases that function as food storage organs during dormancy. (In gardening, plants with other kinds of storage organ are also called "ornamental bulbous plants" or just "bulbs").

A bulb's leaf bases, also known as scales, generally do not support leaves, but contain food reserves to enable the plant to survive adverse weather conditions. At the center of the bulb is a vegetative growing point or an unexpanded flowering shoot. The base is formed by a stem, and plant growth occurs from this basal plate. Roots emerge from the underside of the base, and new stems and leaves from the upper side. Tunicate bulbs have dry, membranous outer scales that protect the continuous lamina of fleshy scales. Species in the genera Allium, Hippeastrum, Narcissus, and Tulipa all have tunicate bulbs. Non-tunicate bulbs, such as Lilium and Fritillaria species, lack the protective tunic and have looser scales.

Other types of storage organs (such as corms, rhizomes, and tubers) are sometimes referred to as bulbs, although as the term is used in botany, they are not. The technical term for plants that form underground storage organs, including bulbs as well as tubers and corms, is geophyte. Some epiphytic orchids (family Orchidaceae) form above-ground storage organs called pseudobulbs, that superficially resemble bulbs.

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Allium alfaunense ssp.1
25 seeds Allium alfaunense. Sorry! The description will appear in the near future! ..
3.00€
Based on 0 reviews.
Allium carinatum
20 seeds Allium carinatum. Sorry! The description will appear in the near future! ..
3.50€
Based on 0 reviews.
Allium cyrillii
20 seeds Allium cyrillii. Sorry! The description will appear in the near future! ..
4.00€
Based on 0 reviews.
Allium karataviense
20 seeds Allium karataviense. Sorry! The description will appear in the near future! ..
3.50€
Based on 0 reviews.
Allium pulchellum
20 seeds Allium pulchellum. Sorry! The description will appear in the near future! ..
3.50€
Based on 0 reviews.
Allium ramosum
20 seeds Allium ramosum. Allium ramosum is a plant species native to Kazakhstan, Mongolia, Ru..
3.50€
Based on 0 reviews.
Allium rupestre
20 seeds Allium rupestre. Sorry! The description will appear in the near future! ..
4.00€
Based on 0 reviews.
Allium vineale 'Hair'
20 seeds Allium vineale 'Hair'. Sorry! The description will appear in the near future! ..
3.50€
Based on 0 reviews.
Galtonia candicans
20 seeds Galtonia candicans. Sorry! The description will appear in the near future! ..
3.50€
Based on 0 reviews.
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