False coloured light micrograph of a cross section of a developing tiger lily (Lilium lancifolium) bud. The central pistil (female component of the flower, green) is surrounded by six anthers (brown) each with four lobes containing the microsporangia, which in turn contain microspores from which pollen grains develop. The inner centre of each anther is connected to a stalk called the filament. The anthers and filament are collectively known as stamens and constitute the male component of the flower. The anthers are surrounded by a ring of three petals and, to the outside, three sepals. Petals and sepals are sometimes referred to collectively as tepals. Magnification: x12 at 10 cm wide.