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English: The leftmost image shows the entire corm in its tunic.The second shows the tunic partly peeled off to show the leaf bases comprising the tunic and the lines where the sessile leaves sprouted from the corm cortex, showing the nodes that demonstrate that the corm body is a stem with nodes and buds.
Corms can form many small cormlets called cormels, from the basal areas of the new growing corms, especially when the main growing point is damaged. These propagate corm-forming plants. A number of species replace corms every year by growing a new corm. This process starts after the shoot develops fully expanded leaves.
They can be evergreen or deciduous perennials that grow from basal underground corms. The alternate leaves are cauline (stem-borne) and ensiform (sword-shaped). The blades are parallel-veined. The margin is entire. The corms form in vertical chains, with the youngest at the top, and oldest and largest buried most deeply in the soil.
In gardening, a "bulb" is a plant's underground or ground-level storage organ that can be dried, stored, and sold in this state, and then planted to grow again. Many bulbs in this sense are produced by geophytes – plants whose growing point is below ground level. However, not all bulbs in the gardening sense are produced by geophytes.
Crocus is an acaulescent (lacking a visible lower stem above ground) diminutive seasonal cormous (growing from corms) herbaceous perennial geophytic genus. [3] The corms are symmetrical and globose or oblate (round in shape with flatted tops and bottoms), and are covered with tunic leaves that are fibrous, membranous or coriaceous (leathery).
In the United States, Crocosmia × crocosmiiflora is considered suitable for planting in hardiness zones 5–9, but in more northerly locations it can be planted in the spring and the corms dug out in the fall. The corms should be planted in a well-drained garden soil in full sun to partial shade.
Glass Gem corn, a unique variety of rainbow-colored corn, became an Internet sensation in 2012 when a photo of the sparkling cob was posted to Facebook.. Shortly after, the company that sells the ...
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.