DSESCRIPTION Yucca, the seychelles national flower of the country, soft leaf yucca, flash yucca, Agavaceae (Agavaceae), belongs to silk orchid genus yucca, about 40 species, distributed in the americas, China introduced cultivation of yucca Y.f laccidaHaw and Spanish dagger Y.g loriosaL. Four, except for view, some kinds of leaf fiber strength, but the rope.
Silk and silk orchid moth (as a kind of insect, named Pronuba) of interdependent and mutually adapt to one of the is seldom the case in biology.So work three times, the 3 room after it is produced in the ovary eggs and three stigma by press it into the pollen.The correct action are striking, as if it knows that the structure of the pistil and the ovary development in the future.Then it minus the weight to fly a flower, to put the egg apparatus was stabbed in the ovary wall and lay their eggs in the ovary chamber.This work has been completed, it climbed to the top of the head to press the pollen ball into the depths of the stigma.
Yucca ovule with silk moth of pollination and fertilization, and yucca moth larvae of yucca ovule for food, and live.It can show the two different creatures, in very complex and detailed adapt to live a life of their harmonious under law.When the seeds of yucca will mature, yucca moth larvae are mature.