Phosphorus is essential for flowering or fruiting plants. There are two types of twig, vegetative twigs and fruiting spurs. These systems aim to create an equilibrium between fruiting and vegetative growth, receiving minimal pruning. Brown spores are released from the pores on the underside of the fruiting body. Like their ascomycete counterparts, these fungi are capable of creating truffle-like fruiting bodies. Pruning the plant is beneficial because it induces the development of more fruiting tips. Lack of boron results in short thick cells producing stunted fruiting bodies and roots. A bolete is a type of mushroom, or fungal fruiting body. Fly agaric fruiting bodies emerge from the soil looking like white eggs. Fire also plays a role in triggering the fruiting of some fungi. They are frequently seen in fruiting trees. The trees have adapted to drought by reducing fruiting. Phylogenetic evidence suggests that the majority of subterranean fruiting bodies evolved from above-ground mushrooms. Both resident and transient orangutans aggregate on large fruiting trees to feed. They may become noticeable when fruiting, either as mushrooms or as molds.