By THÉRÈSE MARGOLIS For some, they are the very essence of feminine sensuality, their delicate petals unfolding like a vibrant display of female genitalia (think Georgia O’Keeffe’s famous flower paintings that resemble a vagina). For others, they symbolize death and the morose beauty of unobtainable passion. In 1894, H.G. Wells wrote a short story about them, describing their bulbs as