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The NASA Clean Air Study determined that the species modestum of this plant genus was effective at removing common household air toxins formaldehyde and benzene. Aglaonema plants are poisonous due to calcium oxalate crystals. If ingested they cause irritation of the mucous membranes, and the juice can cause skin irritation and painful rash. [10]
The titan arum (Amorphophallus titanum) is a flowering plant in the family Araceae.It has a large unbranched inflorescence; a tall single leaf, branched like a tree; and a heavy tuber which enables the plant to produce the inflorescence.
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 lotus is often confused with the true water lilies of the genus Nymphaea, in particular N. caerulea, the "blue lotus."In fact, several older systems, such as the Bentham & Hooker system (which is widely used in the Indian subcontinent), refer to the lotus by its old synonym, Nymphaea nelumbo.
Temperature is not critical, the range being from 10 to 32 °C (50 to 90 °F). Frost hardiness depends on the species. T. usneoides, for example, can tolerate night-time frosts down to about −10 °C (14 °F). For most species, the ideal growth temperature is between 20 and 25 °C (68 and 77 °F), with a minimum of 10 °C (50 °F) and a ...
[10] [3] The leaves of P. alba are narrow and corrugated, whereas leaves of P. pudica have an elongated shape and glossy, dark-green color. P. pudica is one of the everblooming types with nondeciduous, evergreen leaves. Another, semi-deciduous species that retains leaves and flowers in winter is P. obtusa; commonly known as "Singapore plumeria ...
Lobelia erinus in an alpine border. Lobelia (/ l oʊ ˈ b iː l i ə, l ə-/ [4] [5] [6]) is a genus of flowering plants in the family Campanulaceae comprising 415 species, [7] with a subcosmopolitan distribution primarily in tropical to warm temperate regions of the world, a few species extending into cooler temperate regions. [8]
Bolbitis heudelotii, one of hundreds of aquatic plants found in the hobby. Aquatic plants are used to give the freshwater aquarium a natural appearance, oxygenate the water, absorb ammonia, and provide habitat for fish, especially fry (babies) and for invertebrates.