Quercus lusitanica

Source: Wikipedia, the free encyclopedia.

Gall oak
1897 illustration from Franz Eugen Köhler,
Köhler's Medizinal-Pflanzen

Least Concern  (IUCN 3.1)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Fagaceae
Genus: Quercus
Subgenus: Quercus subg. Quercus
Section:
Quercus sect. Quercus
Species:
Q. lusitanica
Binomial name
Quercus lusitanica
Synonyms[2]
List
  • Quercus fruticosa Brot.
  • Quercus humilis Lam., illegitimate homonym
  • Quercus valentina Cav.
  • Quercus ovalifolia Bosc ex Pers.
  • Quercus glauca Bosc ex Loisel.
  • Quercus australis Link
  • Quercus undulata K.Koch
  • Quercus prasina Bosc ex Endl.
  • Quercus aegilopifolia Boiss. ex Endl.
  • Quercus muricata Palau ex Willk. & Lange
  • Quercus quexigo Cook ex Willk. & Lange
  • Quercus aegylopifolia Boiss. ex A.DC.
  • Quercus brachycarpa Kotschy ex A.DC.
  • Quercus brachycarpa Guss. ex Parl.
  • Quercus rigida K.Koch ex A.DC.
  • Quercus baetica H.Buek
  • Quercus zang Dippel

Quercus lusitanica, commonly known as gall oak, Lusitanian oak, or dyer's oak, is a species of oak native to

Cynips gallae tinctoriae. They are used for dyeing
.

Several other species are known colloquially as "gall oaks;" indeed, galls can be found on a large percentage of oak species.

Lusitania, corresponding roughly to present-day Portugal and Extremadura in Spain.[5]

Description

Quercus Lusitanica

Quercus lusitanica is an evergreen creeping bush, rarely exceeding 2 metres (6+1⁄2 feet) in height and is often no taller than 30 centimetres (12 inches).[6][7] The plant mainly spreads through various suckers.[8]

Taxonomy

It was incorrectly named Q. humilis, later Q. fruticosa and its current name was incorrectly used to identify other Gall oaks from the Iberian Peninsula and North Africa. This resulted in numerous taxonomy errors in the Gall oaks taxa from the occidental and oriental Mediterranean Basin.[1]

Distribution and habitat

Quercus lusitanica is native to the

maritime climates.[8][7] It is relatively sensitive to cold temperatures[1] and is hardy down to −8 °C (18 °F).[8] It inhabits sandy or gravelly soils up to 600 m (2,000 ft) in elevation.[6][9]

Threats

No serious threats were found in Portugal, though in Andalusia this plant has been listed as

Pyrenean Oak).[1]

References

  1. ^
    doi:10.2305/IUCN.UK.2018-2.RLTS.T79914375A103229340.en
    . Retrieved 19 November 2021.
  2. ^ "Quercus lusitanica Lam.". World Checklist of Selected Plant Families. Royal Botanic Gardens, Kew – via The Plant List. Note that this website has been superseded by World Flora Online
  3. ^ "Quercus lusitanica". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
  4. ISBN 0-691-09560-4
    .
  5. ISBN 9722309897
    .
  6. ^ a b c "Quercus lusitanica" (PDF). Flora Iberica. Retrieved 20 January 2021.
  7. ^ a b "Quercus lusitanica Lam". Flora-on. Retrieved 21 January 2021.
  8. ^ a b c "Quercus lusitanica". Temperate Plants Database, Ken Fern. Retrieved 20 January 2021.
  9. ^ Harvey-Brown, Y. (2017). "Quercus lusitanica". IUCN Red List of Threatened Species. 2017: e.T79914375A79914412. Retrieved 20 January 2021.


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