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Datura stramonium is an erect, annual, freely branching herb that forms a bush up to 60 to 150 cm (2 to 5 ft) tall. [10][11][12] The root is long, thick, fibrous, and white. The stem is stout, erect, leafy, smooth, and pale yellow-green to reddish purple in color. The stem forks off repeatedly into branches and each fork forms a leaf and a ...
Bhang (IAST: Bhāṅg) is an edible preparation made from the leaves of the cannabis plant originating from the Indian subcontinent. [1][2] It has been used in food and drink as early as 1000 BC in ancient India. [3][4] Bhang is traditionally distributed during the spring festival of Maha Shivaratri and Holi. [5][6] Bhang is mainly used in ...
The plants form an upright, unbranched stem or the overlapping leaf sheaths form a pseudo trunk. [11] The alternate and spiral or two-line arranged, very large, simple leaves are divided into leaf sheaths, short petioles and leaf blades. The leaf blade has a length of 30 to 60 cm (12 to 24 in) and a width of 10 to 20 cm (4 to 8 in).
Puccinia thaliae is the causal agent of canna rust, a fungal disease of Canna. Symptoms include yellow to tan spots on the plant's leaves and stems. Initial disease symptoms will result in scattered sori (clustered sporangia), eventually covering the entirety of the leaf with coalescing postulates. Both leaf surfaces, although more predominant ...
Canna (foliage group) 'Auguste Ferrier'. The plants are large tropical and subtropical herbaceous perennials with a rhizomatous rootstock. The broad, flat, alternate leaves that are such a feature of these plants, grow out of a stem in a long, narrow roll and then unfurl. The leaves are typically solid green, but some cultivars have glaucose ...
The leaves have a peculiar and diagnostic venation pattern (which varies slightly among varieties) that allows for easy identification of cannabis leaves from unrelated species with similar leaves. As is common in serrated leaves, each serration has a central vein extending to its tip, but in cannabis this originates from lower down the central ...
Hashish (Persian: حشیش, romanized:ḥašiš, IPA: [ħæʃiːʃ]), usually abbreviated as hash, is a compressed form of powdered marijuana. [ 3 ][ 4 ] As a psychoactive substance, it is consumed plain or mixed with tobacco. It has a long history of use in countries such as Afghanistan, Egypt, India, Iran, Iraq, Lebanon, Morocco, and Pakistan.
Phytoplasmas are obligate intracellular parasites of plant phloem tissue and of the insect vectors that are involved in their plant-to-plant transmission. Phytoplasmas were discovered in 1967 by Japanese scientists who termed them mycoplasma -like organisms. [ 3 ] Since their discovery, phytoplasmas have resisted all attempts at in vitro ...