Pappus (botany) Pappus (botany) The pappus is the modified calyx, the part of an individual floret, that surrounds the base of the corolla tube in flower heads of the plant family Asteraceae. The term is sometimes used in other plant families such as Asclepiadaceae (milkweeds), whose seeds have a similar structure attached, although it is not related to the calyx of the flower. The Asteraceae pappus may be composed of bristles (sometimes feathery), awns, scales, or may be absent. In some species, the pappus is too small to see without magnification. In species such as Dandelion or "Eupatorium", feathery bristles of the
Botany, New South Wales heritage-listed sites, including: According to the 2016 census of Population, there were 10,817 people in Botany. Port Botany is the site of Sydney's major port and as such, Botany is a suburb with extensive commercial development centred on shipping and freight. Botany also has a large chemical production facility owned by several companies including Huntsman and Orica (previously ICI). The plant was built in the 1940s and has been owned by Orica since 1997. The plant once manufactured paints, plastics and industrial chemicals such as solvents, and is responsible for a large groundwater plume of pollution in the area. The