Latin name and synonyms:
Prepusa von Martius (1826-27)
Etymology: The genus
Prepusa might be named after either the Greek verb prepein
meaning distinct or remarkable (in a positive sense), or the Greek verb
prepo (to be different, used in Botanical Latin as preptus).
shrubs, or small trees. Leaves very thick and leathery, not stalked, and
in a basal rosette in the herbs, or crowded at the branch apices in the
trees or shrubs. Flower 6-merous showy with large, inflated,
thin-walled calyx, often with wings. Corolla nearly hidden inside calyx,
white or yellow, salver- to funnelshaped. Pollen in tetrads. Style long,
hidden inside the dried calyx.
and related plants: Prepusa
has not yet been sequenced and included in any phylogenetic analysis so
this genus is placed in the Helieae tribe
based on morphological similarities. It has 6-merous flowers and
pollen similar to the enigmatic genus Senaea, which is also
preliminarily placed in Helieae.
uses: None recorded.
species have very narrow distributions and are threatened.
species (synonyms in parenthesis) and its distribution:
L., J. W. Kadereit, J. Klackenberg, S. Nilsson, M. Thiv, K. B. von Hagen,
& V. A. Albert. 2002. Systematics, character evolution, and
biogeography of Gentianaceae, including a new tribal and subtribal
classification. Pp. 21-309. In: L. Struwe & V. A. Albert (eds.),
Gentianaceae: Systematics and Natural History, Cambridge University Press,
© Lena Struwe, 2003-2011