[plant] These are annual or perennial herbs or shrubs growing 20 centimeters to 2 meters tall. Most species have hairy herbage. The leaf blades are usually unlobed with serrated edges, but may be divided into lobes. They are borne on petioles and have stipules. Flowers are solitary or arranged in inflorescences of various forms. Each has 5 ... Found on http://en.wikipedia.org/wiki/Sida_(plant)
• (n.) A genus of malvaceous plants common in the tropics. All the species are mucilaginous, and some have tough ligneous fibers which are used as a substitute for hemp and flax. Found on http://thinkexist.com/dictionary/meaning/sida/
Si'da noun [ New Latin , from Greek ......... a kind of plant.] (Botany) A genus of malvaceous plants common in the tropics. All the species are mucilaginous, and some have tough ligneous fibers which are used as a substitute for hemp and flax. Balfour (Cyc. of India). Found on http://www.encyclo.co.uk/webster/S/98