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
New Journal of Botany New Journal of Botany The New Journal of Botany is a triannual peer-reviewed scientific journal covering research on the native flora of Northern and Western Europe, including population and conservation biology, ecological genetics, autecological, physiological, and phenological studies, plant/animal interactions, and plant biochemistry. It was established in 1949 as Watsonia, with the subtitle "Journal & Proceedings of the Botanical Society of the British Isles". It was named after the eighteenth-century British botantist Hewett Watson. The journal obtained its current title in 2011 with volume numbering restarting at 1. The journal is published by Maney Publishing on behalf of the Botanical