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Aquatic plants have adapted to live in either freshwater or saltwater. Aquatic vascular plants have originated on multiple occasions in different plant families; [5] [9] they can be ferns or angiosperms (including both monocots and dicots). The only angiosperms capable of growing completely submerged in seawater are the seagrasses. [10]
When referring to plants, the term describes land plants whose roots have adapted well to tolerate regular, prolonged submersion in water, as well as emergent and (occasionally) floating-leaved aquatic plants that are only partially immersed in water. Examples of semi-aquatic animals and plants are given below.
Hobbyists use aquatic plants for aquascaping, of several aesthetic styles. Most of these plant species are found either partially or fully submerged in their natural habitat. Although there are a handful of obligate aquatic plants that must be grown entirely underwater, most can grow fully emersed if the soil is moist.
The petiole allows partially submerged hydrophytes to have leaves floating at different depths, the petiole being between the node and the stem. In plants such as rhubarb ( Rheum rhabarbarum ), celery ( Apium graveolens ), artichokes , and cardoons ( Cynara cardunculus ), the petioles ('stalks' or 'ribs') are cultivated as edible crops.
The grows partially submerged in still or flowing water, reaching up to 40 cm (16 in) tall from a creeping rhizome. The leaves are 10 cm (3.9 in), opposite, sessile, linear or lanceolate, and slightly crenulated. The flowers are bicolored, borne in opposite arrangement on spikes 3 cm (1.2 in) long coming off a peduncle 10 cm (3.9 in) long ...
Myriophyllum spicatum (Eurasian watermilfoil [3] or spiked water-milfoil) is a submerged aquatic plant which grows in still or slow-moving water. It is native to Europe, Asia, and North Africa, but has a wide geographic and climatic distribution among some 57 countries, extending from northern Canada to South Africa. [4]
A teenager has died after the car he was traveling in crashed into a sewage plant. The 18-year-old boy was found dead after the Volkswagen Golf was discovered “partly submerged” at the water ...
Light, water depth, and substrate types are the most important factors controlling the distribution of submerged aquatic plants. [10] Macrophytes are sources of food, oxygen, and habitat structure in the benthic zone, but cannot penetrate the depths of the euphotic zone, and hence are not found there.