Olearia hectorii

Olearia hectorii is a species of flowering plant in the daisy family Asteraceae.[3] Its common names include deciduous tree daisy and Hector's tree daisy.[1] It is endemic to New Zealand.[1]

Olearia hectorii

Nationally Endangered (NZ TCS)[2]
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Olearia
Species:
O. hectorii
Binomial name
Olearia hectorii

Taxonomy

Although originally published under the name Olearia hectori, hectorii is the correct epithet under the ICBN (ST Louis) Art. 60.11.[3]

Description

This species is a shrub with reddish stems and clusters of gray-green leaves up to 5 centimeters long. The yellow flowers droop from the bases of the leaves.[4]

This species is threatened by habitat degradation.[5] It requires open habitat for germination, but this kind of habitat is threatened by introduced flora. It is also threatened by introduced grazing animals.[4]

Ecology

O. hectorii plays host to numerous moth species and is known to support at least 23 species, with at least 12 species that are specifically hosted by this plant.[6] These moths are likely to play an important role in the pollination of the O. hectorii.[6] Species hosted by this plant include the nationally critically endangered Stathmopoda campylocha and the nationally endangered S. albimaculata.[6]

Conservation Status

This plant is now classified under the New Zealand Threat Classification System as being Nationally Endangered.[2]

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References
  1. de Lange, P.J. (1998). "Olearia hectori". IUCN Red List of Threatened Species. 1998: e.T34296A9851933. doi:10.2305/IUCN.UK.1998.RLTS.T34296A9851933.en.
  2. de Lange, Peter J.; Rolfe, Jeremy R.; Champion, Paul D.; Courtney, Shannel; Heenan, Peter B.; Barkla, John W.; Cameron, E. K. (2013). Conservation status of New Zealand indigenous vascular plants, 2012 (PDF). Wellington, New Zealand: New Zealand Department of Conservation. p. 17. ISBN 9780478149951. OCLC 882945164.
  3. "Olearia hectorii Hook.f." www.nzor.org.nz. Landcare Research New Zealand Ltd. Retrieved 1 May 2018.
  4. "Olearia hectorii". www.nzpcn.org.nz. New Zealand Plant Conservation Network. Retrieved 1 May 2018.
  5. "Olearia hectorii (Hectors tree daisy)". www.doc.govt.nz. Department of Conservation, New Zealand. Retrieved 1 May 2018.
  6. Mt Aspiring Station Conservation Resources Report Part 1 (Report). Department of Conservation. November 2005. pp. 1–62. Retrieved 2 May 2018.
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