Anthurium grows in many forms, mostly evergreen, bushy or climbing epiphytes with roots that can hang from the canopy all the way to the floor of the rain forest. There are also many terrestrial forms which are found as understory plants, as well as hemiepiphytic forms. A hemiepiphyte is a plant capable of beginning life as a seed and sending roots to the soil, or beginning as a terrestrial plant that climbs a tree and then sends roots back to the soil. They occur also as lithophytes. Some are only found in association with arboreal ant colonies or growing on rocks in midstream (such as Anthurium amnicola).
The stems are short to elongate with a length between 15 and 30 cm. The simple leaves come in many shapes; most leaves are to be found at the end of the stems, although terrestrial plants show less of this pachycaul tendency. Leaves may be spatulate, rounded, or obtuse at the apex. They may be borne erect or spreading in a rosette, with a length that may surpass 100 cm in some of the larger species (such as Anthurium angamarcanum). The upper surface of the leaf may be matte, semiglossy, or fully glossy, and the leaf texture may range from leathery to fragile and papery. The leaves are petiolate and possess a structure called the geniculum, which is unique to the genus Anthurium. The geniculum allows the plant to swivel its leaves towards the sun, much in the same manner as sunflowers. In drier environments, the leaves can form a bird's-nest shaped rosette that enables the plant to collect falling debris, and thus water and natural fertilizer. Terrestrial growers or epiphytes often have cordate leaves; others grow as vines with rosettes of lanceolate leaves, and still others have many-lobed leaves.
Source: http://en.wikipedia.org/wiki/Anthurium
See also: Florist, Florists, Flower
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