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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).
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 ...
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]
The first European to find Rafflesia was the ill-fated French explorer Louis Auguste Deschamps.He was a member of a French scientific expedition to Asia and the Pacific, detained by the Dutch for three years on the Indonesian island of Java, where, in 1797, he collected a specimen, which was probably what is now known as R. patma.
The tree grows up to 10-20 m tall. [7] The trunks dbh is up to 60 cm, it can be buttressed or multistemmed, and has a red blaze (longitudinal cut exposure of bark). [6] [8] Leaves are compound with one, rarely two, pairs of leaflets. New leaves are pink. Lateral veins form loops well inside blade margin.
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.