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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).
It is the most widely cultivated species of several plants in the family Araceae that are used as vegetables for their corms, leaves, stems and petioles. Taro corms are a food staple in African , Oceanic , East Asian , Southeast Asian and South Asian cultures (similar to yams ).
Crocus (/ ˈ k r oʊ k ə s /; plural: crocuses or croci) is a genus of seasonal flowering plants in the family Iridaceae (iris family) comprising about 100 species of perennials growing from corms. They are low growing plants, whose flower stems remain underground, that bear relatively large white, yellow, orange or purple flowers and then ...
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. Geophytes are often physiologically active even when they lack leaves.
Corms are solid enlarged underground stems that store nutrients in their fleshy and solid stem tissue and are surrounded by papery leaves. Corms differ from bulbs in that their centers consists of solid tissue while bulbs consist of layered leaves. [24] Examples of plants that use corms are gladiolus and taro.
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.
Plants in this genus contain toxic amounts of the alkaloid colchicine which is used pharmaceutically to treat gout and Familial Mediterranean fever. [13] The use of the roots and seeds in traditional medicine is thought to have arisen due to the presence of this drug. [14] Its leaves, corm and seeds are poisonous.
Crocus ancyrensis is a herbaceous perennial geophyte growing from a corm. Plants grow 4 to 6 inches tall. [6] The corms are oval shaped with fibrous reticulated tunics. The small flowers are 1 inch long and 0.5 ince wide are orange-yellow with orange-red stigmas. [7]