science

Because plants are sessile and can’t escape from predators, many plant species have evolved exquisite defensive systems, ranging from chemical defenses to physical deterrents. Thorns, prickles, and spines all act as weapons against herbivores, but each arises from a distinct developmental origin. Unlike prickles or spines, thorns arise from axillary shoot apical meristems that proliferate ...
Read More about MBL Friday Evening Lecture Series: “Thorny Questions: Citrus Development and Disease” – Vivian Irish, Yale University