the flower heads are globe-shaped, usually with two or three together and sit on a stalk of up to long. each flowerhead of 3–4 cm (1.2–1.6 in) in diameter. the style is yellow in colour, long, straight or slightly bend towards the center of the flower head. the pollen-presenter, a thickening at the tip of the style (comparable with the "head" of the pin), is cylindric in shape with a blunt end, long, initially carrying bright yellow pollen. the stigma is a transverse groove at the very tip of the pollen-presenter. at the base of the ovary are four linear, so-called hypogynous scales of about 1 mm (0.04 in) long.