Species boundaries in plants can be weaker than in animals, and cross species hybrids tend to be achievable. A well-recognized illustration is peppermint, Mentha × piperita, a sterile hybrid concerning Mentha aquatica and spearmint, Mentha spicata.[a hundred and fifteen] The numerous cultivated varieties of wheat are the results of several https://cara-delevingne-nudes33333.ivasdesign.com/48810887/characteristics-of-plants-an-overview