Search results
Results From The WOW.Com Content Network
One type of automatic self-pollination occurs in the orchid Ophrys apifera.One of the two pollinia bends itself towards the stigma.. Self-pollination is a form of pollination in which pollen arrives at the stigma of a flower (in flowering plants) or at the ovule (in gymnosperms) of the same plant.
Orchid flowers are predominantly hermaphroditic, with unisexual forms being rare, and they typically exhibit zygomorphic (bilateral) symmetry. Most genera feature three outer elements known as sepals —two lateral and one dorsal—and three inner elements called petals , with the lower petal often modified into a lip or labellum .
Dancinglady orchid is a common name for plants in this genus. [2] It was described by Stephan Ladislaus Endlicher and Eduard Friedrich Poeppig in 1836. This genus alone makes up the monogeneric Trichocentrum alliance, a quite distinct lineage of the subtribe Oncidiinae .
Cephalanthera rubra is thought to be mainly pollinated by flies, although often self-pollination is triggered by rainfall. [12] Pollination may also be carried out by Chelostoma bee (Chelostoma campanularum?) and the weevil Miarus campanulae, both of which are thought to mistake the flowers for Campanula persicifolia, a wildflower found on mountains in continental Europe.
The Orchidoideae, or the orchidoid orchids, are a subfamily of the orchid family (Orchidaceae) that contains around 3630 species. [1] Species typically have a single ( monandrous ), fertile anther which is erect and basitonic .
Eulaema meriana is a large-bodied bee species in the tribe Euglossini, otherwise known as the orchid bees. The species is a solitary bee and is native to tropical Central and South America. [ 1 ] The male collects fragrances from orchid flowers, which it stores in hollows in its hind legs.
Acianthus, commonly known as mosquito orchids, is a genus of about twelve species of plants in the orchid family, Orchidaceae.Mosquito orchids are terrestrial herbs with a single, heart-shaped, usually ground-hugging leaf and one to many small, green, pinkish or purplish flowers on a fleshy stalk.
Corallorhiza odontorhiza, common name fall coral-root or small-flowered coral-root, is a species of orchid widespread across eastern and central United States, and reported also from Mexico, Central America, Quebec and Ontario. In North America, it occurs in forested areas up to an elevation of 2800 m (9300 feet). [1] [5] [6] [7]