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
A Specimen of the Botany of New Holland began as a collaboration between Smith and George Shaw. Together they produced a two-part work entitled "Zoology and Botany of New Holland", with each part containing two zoology plates and two botany plates, along with accompanying text. These appeared in 1793, although the publications themselves indicate 1794. The collaboration then ended, and Shaw went on to independently produce his "Zoology of New Holland". Smith's contributions to "Zoology and Botany of New Holland" became the first two parts of "A Specimen of the Botany of New Holland", a further two parts of which were issued in 1795. The book contained details