Species boundaries in plants may be weaker than in animals, and cross species hybrids are frequently attainable. A well-known instance is peppermint, Mentha × piperita, a sterile hybrid among Mentha aquatica and spearmint, Mentha spicata.[115] The various cultivated kinds of wheat are the result of many inter- and intra-unique crosses https://aries-sign22222.dgbloggers.com/27192910/a-review-of-plant-habitats