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A geophyte (earth+plant) is a plant with an underground storage organ including true bulbs, corms, tubers, tuberous roots, enlarged hypocotyls, and rhizomes.Most plants with underground stems are geophytes but not all plants that are geophytes have underground stems.
A representative CORM that has been extensively characterized both from a biochemical and pharmacological view point is the ruthenium(II) complex RuCl(CO) 3, known as CORM-3. Therapeutic data pertaining to metallic CORMs were reappraised to explore if observed effects are due to CO or if metal reactivity mediates physiological effects via thiol ...
Cormus (PL: cormi) (from ancient Greek: κορμός, kormόs, 'stem') is the appearance of a plant that belong to Cormophyte (Pteridophyte and Spermatophyte). [1] [2] In cormus, the vegetative apparatus is no longer a thallus, such as algae, that cannot be distinctly differentiated. [1]
[1] Crocosmia corm with the tunic partly stripped to show its origin at the nodes on the corm cortex. Crocosmia corm anatomy, showing tunic, cortex of storage tissue, central medulla, and emergence of a new corm from a bud near the top. Crocosmia corm with stolons emerging through the tunic. The stolons originate at the axillary buds of 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.
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 corm produces lateral buds that give rise to side-corms (cormels, suckers) or stolons (long runners, creeping rhizomes) depending on the species and variety. Cocoyams commonly reach in excess of one metre (three feet) in height and although they are perennials, they are often grown as annuals, harvested after one season.
Corms are underground swollen stems that act as food storage; they appear similar to bulbs but are not layered with leaves. New corms will bud around the base of the stem. Corms can be found in irises, taro, arrowheads, sedges, and bananas; these include: Iridaceae, Araceae, Alismataceae, Asparagaceae, Colchicaceae, Cyperaceae, and Musaceae.