Tuesday 18 June
White-haired tournefortia (Tournefortia pubescens)
LEASTCONCERN
White-haired tournefortia fact file
- Description
- Biology
- Range
- Habitat
- Status
- Threats
- Conservation
- Find out more
- Glossary
- References
- Print factsheet
White-haired tournefortia description
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Boraginaceae |
| Genus | Tournefortia (1) |
The white-haired tournefortia is a shrub from the Galapagos Islands that owes its name to the whitish hairs that cover its young branches and the lower surface of the leaves. The dark-green leaves have the form of elliptic or egg-shaped blades, while the fragrant inflorescences comprise tightly-packed alternating ranks of small, tubular, five-lobed flowers. The flowers are white with a greenish-yellow throat, and the fruit are small, white and thin fleshed (2) (3).
- Size
- Height: up to 4 m (2)
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Related species
White-haired tournefortia biology
Although little is documented about the biology of this species, a study on another closely related and easily confusable Galapagos tournefortia, T. rufo-sericea, found that the majority of its flowers set fruit through self-pollination (4).
TopWhite-haired tournefortia range
Endemic to the Galapagos Islands, where it occurs on the islands of Floreana, San Cristóbal, Santa Cruz, Pinzón, Santiago, Fernandina, Isabela and Wolf (2).
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Species with a similar range
White-haired tournefortia habitat
Found in the arid lowlands and moist uplands, from sea level up to around 800 metres (2) (3).
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Species found in a similar habitat
White-haired tournefortia status
Classified as Least Concern (LC) on the IUCN Red List (1).
White-haired tournefortia threats
The white-haired tournefortia is not considered to be threatened, but like much of the Galapagos’ flora it is probably affected by habitat loss, invasive alien plants, and introduced herbivores such as feral goats and donkeys (5).
TopWhite-haired tournefortia conservation
There are no specific conservation measures in place for the white-haired tournefortia, but botanical research carried out by the Charles Darwin research station is focused on the conservation of the Galapagos’ native and endemic flora (5).
TopFind out more
For further information on the conservation of the endemic flora of the Galapagos see:
- The Charles Darwin Foundation:
www.darwinfoundation.org - Galapagos Conservation Trust:
www.gct.org
Authentication
This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact: arkive@wildscreen.org.ukTopGlossary
- Endemic
- A species or taxonomic group that is only found in one particular country or geographic area.
- Self-pollination
- Transfer of pollen within the same individual plant- either within the same flower, or between different flowers.
References
- IUCN Red List (June, 2009)
http://www.iucnredlist.org/ - McMullen, C.K. (1999) Flowering Plants of the Galapagos. Cornell University Press, New York.
- Wiggins, I.L. and Porter, D.M. (1971) Flora of the Galapagos Islands. Stanford University Press, Stanford.
- McMullen, C.K. (2007) Pollination biology of the Galápagos endemic, Tournefortia rufo-sericea (Boraginaceae). Botanical Journal of the Linnean Society, 153: 21 - 31.
- Charles Darwin Foundation (June, 2009)
http://www.darwinfoundation.org/en/galapagos/species/risk/plants
More »Related species
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