Common name: None known. Latin name and synonyms:
Purdieanthus Gilg (1895)
Etymology: Purdieanthus was named after William Purdie
(1817-1857) was a Scottish gardener that was the superintendent of the
Botanical Garden in Trinidad and collected in South America.
Species: One
species only.
Distribution:
High elevations on the Colombian-Venezuelan border.
Habitat:
Cloud forests and paramos, at 2500-4000 m altitude.
Characteristics:
Straggling
vines, branches narrow branches. Leaves shortly petiolated, elliptic.
Inflorescence terminal, cymose. Calyx small with short, oblong
lobes. Corolla long, tubular. Fruits dry capsules.
Evolution
and related plants:
Purdieanthus is most likely closely related to Lagenanthus
and Lehmanniella in tribe Helieae, but no phylogenetic data is
available.
Economic
uses: None known.
Notes: Purdieanthus
has sometimes been included in Lehmanniella.
Accepted
species (synonyms in parenthesis) and their distribution:
Purdieanthus
pulcher (Hook.) Gilg
(Lehmanniella pulchra (Hook.)
Simonis ex. P.J.M. Maas; Lisianthius pulcher
Hook.) |
Peru |
References
and publications:
Ewan,
J. 1948. A review of Purdieanthus and Lehmanniella,
two endemic Colombian genera of Gentianaceae, and biographical notes on Purdie and Lehmann. Caldasia 5: 85-98.
Maas,
P. J. M. 1985. Nomenclatural notes on neotropical Lisyantheae
(Gentianaceae). Proc. Kon. Ned. Akad. Wetensch., Ser. C, 88: 405-412.
Struwe,
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,
Cambridge
© Lena Struwe, 2004
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