Species boundaries in plants may be weaker than in animals, and cross species hybrids in many cases are achievable. A familiar illustration is peppermint, Mentha × piperita, a sterile hybrid concerning Mentha aquatica and spearmint, Mentha spicata.[one hundred fifteen] The many cultivated styles of wheat are the result of multiple https://sergiotixnb.blogcudinti.com/26710406/considerations-to-know-about-flowers