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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.
The lower leaf pairs usually occur in an opposite leaf arrangement and the upper leaf pairs in an alternate arrangement on the main stem of a mature plant. 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 ...
Seedless cannabis (sin semilla) Seeded cannabis (con semilla)Cannabis sinsemilla (Spanish pronunciation: [sinseˈmiʝa]) also known as sensimilla, sinse or sensi (can be translated into English as seedless cannabis) is the female Cannabis plant that has not been pollinated and therefore does not develop seeds, increasing the concentration of cannabinoids and terpenes.
Tacca integrifolia is a herb growing from a thick, cylindrical rhizome as long as 12 cm (5 in) and a diameter of 3 cm (1 in). Its oblong-elliptical or lanceolate leaf blades are borne on long stems, some 50 by 20 cm (20 by 8 in) including the petioles, with tapering bases and slender pointed tips.
Sticky trichomes of a carnivorous plant, Drosera capensis with a trapped insect, contain proteolytic enzymes Glandular trichomes on Cannabis, rich in cannabinoids Trichomes on the surface of a Solanum scabrum leaf Trichomes on the petiole of a Solanum quitoense leaf Antirrhinum majus buds with glandular hairs Scanning electron micrograph of a trichome on a leaf of Arabidopsis thaliana; the ...
Cannabis plants vary widely, with different strains producing dynamic balances of cannabinoids (THC, CBD, etc.) and yielding markedly different effects. Popular strains are often hybrids of C. sativa and C. indica. The medicinal effects of cannabis are widely studied, and are active topics of research both at universities and private research ...
Cannabaceae is a small family of flowering plants, known as the hemp family.As now circumscribed, the family includes about 170 species grouped in about 11 genera, including Cannabis (hemp), Humulus and Celtis (hackberries).
Buds show green tips Principal growth stage 1: Leaf development (main shoot) 10: G, M: First true leaf emerged from coleoptile D: Cotyledons completely unfolded P: First leaves separated 11: First true leaf, leaf pair or whorl unfolded P: First leaves unfolded 12: 2 true leaves, leaf pairs or whorls unfolded 13: 3 true leaves, leaf pairs or ...