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Leaves of most plants include a flat structure called the blade or lamina supported by a network of veins, a petiole and a leaf base; [1] but not all leaves are flat, some are cylindrical. [ citation needed ] Leaves may be simple, with a single leaf blade, or compound, with several leaflets .
1. Referring to the arrangement of floral or foliar organs in a bud when each organ or segment has one edge overlapping the adjacent organ or segment; a form of imbricate arrangement. See contort. 2. (of leaves) A type of vernation in which one leaf is rolled up inside another. 3.
Orchitis is inflammation of the testicles. [1] It can also involve swelling, pains and frequent infection, particularly of the epididymis , as in epididymitis . The term is from the Ancient Greek ὄρχις meaning "testicle"; same root as orchid .
Duration of leaves: Deciduous – leaves are shed after the growing season. Evergreen – leaves are retained throughout the year, sometimes for several years. Fugacious – lasting for a short time: soon falling away from the parent plant. Marcescent – dead leaves, calyx, or petals are persistent and retained. Persistent – see Marcescence ...
Ophrys apifera, known in Europe as the bee orchid, is a perennial herbaceous plant of the genus Ophrys, in the family of Orchidaceae. It serves as an example of sexually deceptive pollination and floral mimicry, a highly selective and highly evolved plant–pollinator relationship.
Peristeranthus hillii, commonly known as the beetle orchid [3] or brown fairy-chain orchid [4] is the only species in the genus Peristeranthus from the orchid family, Orchidaceae. It is an epiphytic or lithophytic orchid with more or less pendulous stems, between three and ten widely spaced, leathery leaves and a large number of pale green ...
Dendrobium discolor Lindl. subsp. discolor [11] – or golden antler orchid has light brown to dark brown, sometimes yellow to yellowish brown flowers with mauve to purple markings on the labellum, between August and November and occurs in Queensland, from the some Torres Strait Islands to Rockhampton.
There are no leaves and no photosynthetic green tissues. The stems bear dark red scales and intricate orchid flowers. Corallorhiza maculata flowers are small and emerge regularly from all sides of the stem. The sepals are dark red or brown tinged with purple, long and pointed. The side petals are reddish, and the lip petal is bright clean white ...