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North american country sunflower, Tithonia rotundifolia, are a tall plant. New genus Tithonia on daisy loved ones (Asteraceae) includes ten-15 species of bushy annuals, perennials and you will shrubs native to Mexico and you will Main The usa that have large, colorful daisy-including flowers to the thicker stems. Mexican sunflower, T. Tithonia herbs build 4-6+ foot high having a huge main stem and you may a relatively gangly branching routine. The brand new stems will likely be weak. This new dark-green renders was ovate so you’re able to deltoid (triangular) fit with serrate in order to crenate margins. The fresh new rough simply leaves usually are entire but from time to time was three lobed. The fresh new foliage and you may stems was covered with a soft downy fuzz, and also the bottom level of one’s renders are furry. The newest leaves out of North american country sunflower are rough and you may hairy (L); the brand new ovoid so you’re able to deltoid makes provides serrate margins and therefore are whole (C) but can end up being about three lobed (R).

Vegetation are made from middle-june up to freeze. The latest unmarried herbs is borne toward fragile hollow peduncles (rose stems) that will be subject to getting bent and are generally commonly damaged by the wild birds. (more…)