Sesame - Botany. 1  Sesame is an annual plant growing 50 to 100 cm (1.6 to 3.3 ft) tall, with opposite leaves 4 to 14 cm (1.6 to 5.5 in) long with an entire margin; they are broad lanceolate, to 5 cm (2 in) broad, at the base of the plant, narrowing to just 1 cm (0.4 in) broad on the flowering stem.
Canvas is an extremely durable plain-woven fabric used for making sails, tents, marquees, backpacks, and other items for which sturdiness is required. It is also popularly used by artists as a painting surface, typically stretched across a wooden frame.
Re: Chaparral canvas. (from your local neighborhood upholsterer). Sunbrella is a trade name placed on the canvas that they purchase from the mills and distribute. The same material is also available under the names of Dickson Marine, Tempo, Starfire, Pyrotone, Sunbrella, Polaris, Suncoat, Polyolifin and Top Gun.