Species boundaries in plants may be weaker than in animals, and cross species hybrids will often be achievable. A well-known illustration is peppermint, Mentha × piperita, a sterile hybrid concerning Mentha aquatica and spearmint, Mentha spicata.[one hundred fifteen] The numerous cultivated styles of wheat are the result of many inter- https://medicalandhealth35680.blogacep.com/31930089/the-basic-principles-of-plant-identification