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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 ...
Septoria cannabis is a species of plant pathogen from the genus Septoria that causes the disease commonly known as Septoria leaf spot. Early symptoms of infection are concentric white lesions on the vegetative leaves of cannabis plants, followed by chlorosis and necrosis of the leaf until it is ultimately overcome by disease and all living cells are then killed.
Triangular, wedge-shaped, stem attaches to point. cuneiform. whole leaf. Narrowly triangular, widest on the opposite end from the stem, with the corners at that end rounded. cuspidate. cuspidatus. leaf tip. With a sharp, elongated, rigid tip; tipped with a cusp. deltoid, deltate.
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 ...
e. Cultivation of cannabis is the production of cannabis infructescences ("buds" or "leaves"). Cultivation techniques for other purposes (such as hemp production) differ. In the United States, all cannabis products in a regulated market must be grown in the state where they are sold because federal law continues to ban interstate cannabis sales.
Cannabis. Cannabis smoking (known colloquially as smoking weed or smoking pot) is the inhalation of smoke or vapor released by heating the flowers, leaves, or extracts of cannabis and releasing the main psychoactive chemical, Δ 9 - tetrahydrocannabinol (THC), which is absorbed into the bloodstream via the lungs.
Latin, or scientific name for the plant species Cannabis sativa, known for tall, sparsely branched stalks with long, narrow leaves. [See cannabis.] cannabis slang Cannabis has more than 1,200 slang names, including weed, a commonly used cannabis slang name. Additionally, there are many slang terms for consumption of cannabis, and describing the ...
Ginkgo leaves in summer Ginkgo leaves in autumn. The leaves are unique among seed plants, being fan-shaped with veins radiating out into the leaf blade, sometimes bifurcating (splitting), but never anastomosing to form a network. [19] Two veins enter the leaf blade at the base and fork repeatedly in two; this is known as dichotomous venation ...