Voyria tenella Hook.
With its tiny single flower, the thin, unbranched stem, and the reduced root system
Voyria tenella is the most progressive species in the genus and therefore the
most advanced gentian at all.
The scale in the central picture is a harmonica (stupid
the other Voyria-species Voyria tenella is easily pulled out of its
substrate (mostly leaf mold, or decaying trees. It also tends to inhabit older
ant-piles!) without loosing the roots. The root system (see the picture to your right)
can be interpreted as an extremely reduced form of the other Voyria-species
mentioned in this gallery. It appears like a 'morning star'. Young specimen bear a
More information is available through the articles:
- Imhof, S. (1997): Root anatomy and mycotrophy (AM) of the achlorophyllous Voyria
tenella Hook. (Gentianaceae). Bot. Acta 110: 127 - 134 (abstract)
- Imhof, S., Weber, H. Chr., Gómez, L.D. (1994): Ein Beitrag zur Biologie von
Voyria tenella Hook. und Voyria truncata (Standley) Standley &
Steyermark (Gentianaceae). Beitr. Biol. Pflanzen 68: 113 - 123 (abstract).
Last revised on 13 February 2001 by Stephan Imhof