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Cotyledon from a Judas-tree (Cercis siliquastrum, a dicot) seedling Comparison of a monocot and dicot sprouting. The visible part of the monocot plant (left) is actually the first true leaf produced from the meristem; the cotyledon itself remains within the seed Schematic of epigeal vs hypogeal germination Peanut seeds split in half, showing the embryos with cotyledons and primordial root Two ...
Cotyledon species are grown as garden and indoor subjects, practically independent of irrigation in all but full desert conditions, though they cannot survive poor light or bad drainage. Pests that affect them include sucking bugs, members of the suborder Auchenorrhyncha such as the mealy bug ( Pseudococcus ), and similar insects.
The name refers to one of the typical characteristics of the group: namely, that the seed has two embryonic leaves or cotyledons. There are around 200,000 species within this group. [3] The other group of flowering plants were called monocotyledons (or monocots), typically each having one cotyledon. Historically, these two groups formed the two ...
The form of the human placenta is generally classified as a discoid placenta. Within this, the cotyledons are the approximately 15-25 separations of the decidua basalis of the placenta, separated by placental septa. [3] Each cotyledon consists of a main stem of a chorionic villus as well as its branches and sub-branches. [3]
Cotyledon undulata, also known as silver crown or silver ruffles, is a small succulent shrub up to 50 cm tall. It has unusual grey undulating leaves that give it a very sculptural shape. Cotyledon undulata is perhaps the most widely grown Cotyledon. The stems are covered with a thick, white, coating.
A cotyledon is a significant part of the embryo within the seed of a plant. Cotyledon may also refer to: Cotyledon, a plant genus in the family Crassulaceae; Cotyledon (placenta), a part of the anatomy of mammals; Saxifraga cotyledon, a species of saxifrage, a plant
Cotyledon orbiculata is an extremely variable species, one that grows to approximately 1.3 m (4.3 ft) in height. [1] It has gray-green leaves (up to 13 by 7 cm (5.1 by 2.8 in)), which naturally develop a white, powdery substance (known as farina) on their surfaces; this farina helps reflect sunlight and conserve water.
Cotyledon From the plural form : This is a redirect from a plural noun to its singular form. This redirect link is used for convenience; it is often preferable to add the plural directly after the link (for example, [[link]]s ).