Sunday 19 May
Daisy tree (Scalesia villosa)
Daisy tree fact file
- Description
- Biology
- Range
- Habitat
- Status
- Threats
- Conservation
- Find out more
- Glossary
- References
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Daisy tree description
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Compositae |
| Genus | Scalesia (1) |
The unique daisy trees of the Galapagos Islands are the plant equivalents of Darwin’s finches (2). Despite the name daisy tree, this particular species tends to occur as a shrubby bush (1) (2).
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Related species
Daisy tree biology
Little is known of the biology of this species.
TopDaisy tree range
This species of daisy tree is endemic to the island of Floreana and the nearby islets of Champion, Enderby, Caldwell and Gardner-near-Floreana in the Galapagos archipelago (1). On Floreana, the plant occurs in a number of coastal locations (2).
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Species with a similar range
Daisy tree habitat
Found in the lowland arid zone of the islands on which it occurs (2).
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Species found in a similar habitat
Daisy tree status
Classified as Vulnerable (VU D2) on the IUCN Red List 2003 (1).
Daisy tree threats
On Floreana, this daisy tree is threatened by goat grazing (1). Because of its small range, this species is inherently vulnerable to environmental changes, for example the introduction of a new insect pest or a disease (3).
TopDaisy tree conservation
The Botany Department of the Charles Darwin Research Station (CDRS) is carrying out research and surveying the daisy trees of the Galapagos (3). Significant steps forward have been made in methods of eradicating or controlling goats and invasive introduced plant species (3). The CDRS has also proposed that monitoring is required, to keep track of endemic plant populations, allowing changes to be detected. Biological studies of the plants are also required, so that the threats affecting the species can be identified and better understood (3).
TopFind out more
For more on the conservation of the endemic plants of the Galapagos see:
Botany Department, Charles Darwin Research Foundation (2003) Plant Research for Conservation in Galapagos, Report for the Years 1998-2003 and Challenges For The Future:
http://www.darwinfoundation.org/english/_upload/botany1997-2003.pdf
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Glossary
- Endemic
- A species or taxonomic group that is only found in one particular country or geographic area.
References
-
IUCN Red List of Threatened Species 2003 (March, 2004)
http://www.redlist.org - Tye, A. (2001) Galapagos daisy trees – plants: out of the shadows. World Conservation, 3: 16 - 17.
- Tye, A. (2003) Plant Research for Conservation in Galapagos, Report for the Years 1998-2003 and Challenges For The Future. Botany Department, Charles Darwin Research Foundation, Ecuador.
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Daisy tree in flower
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