Raukaua

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Raukaua
Raukaua laetevirens
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Apiales
Family: Araliaceae
Subfamily: Aralioideae
Genus: Raukaua
Seem.
Type species
Hook.f.) Seem.

Raukaua is a

indigenous to southern Argentina and Chile, as well as New Zealand and the island of Tasmania.[1]

Raukaua is a genus of

suckers and on these, the further the sucker is from the main shoot, the more juvenile the form of the leaves.[1]

The Māori extracted an aromatic oil from the leaves of R. edgerleyi.[citation needed] The essential oils of the New Zealand species have been the subject of a phytochemical analysis.[2]

All of the species of Raukaua have been placed in

sensu strictissimo, Cheirodendron, Motherwellia, and Cephalaralia (not Cephalaria!).[4] It might not be as close to Pseudopanax as was once believed.[5]

Raukaua is known to be

Valdivian temperate rain forest.[citation needed] R. anomalus, R. edgerleyi, and R. simplex are from New Zealand.[citation needed] There are naturally occurring hybrids between R. simplex and the other two New Zealand species.[6]

The type species for Raukaua is Raukaua edgerleyi.[7]

Species and hybrids

Species
Hybrids

History

The genus Raukaua was erected by

published a correction in 1868 that read "Raukaua, Seem., read always Raukaua.".[11]

Subsequently, most

authors did not recognize Seemann's genus, and they usually placed its species in other genera, usually Pseudopanax.[citation needed
] In cases where Raukaua was accepted, it usually included only the New Zealand species.

Raukaua was last

New Zealand Journal of Botany.[10] The status of the two hybrids was clarified in 1998.[6] In 2003, a checklist and nomenclator was published for Araliaceae.[3]

endemic to Hawaii. The South American species are sister to a clade comprising the Tasmanian R. gunnii and the monospecific mainland Australian genera Cephalaralia and Motherwellia. R. gunnii is sister to the clade [Cephalaralia + Motherwellia].[4] Because of the polyphyly of Raukaua, its South American and Tasmanian species must eventually be transferred to other genera. A treatment of Araliaceae has already been submitted for the book series entitled The Families and Genera of Vascular Plants.[13]

References

  1. ^ . (See External links below).
  2. ^ Roderick J. Weston. 2004. Essential Oils of the Leaves of the Raukaua Genus (Araliaceae). Verlag der Zeitschrift für Naturforschung. Tubingen-Mainz, Series C (A Journal of Biosciences) volume 59,pages 35-38. (See External links below).
  3. ^ . (See External links below).
  4. ^ . (See External links below).
  5. .
  6. ^ a b Patrick B. Heenan. 1998. The status of Raukaua edgerleyi var. serratus and R. x parvus comb. nov. New Zealand Journal of Botany 36(2):307-310. (See External links below).
  7. Regnum Vegetabile
    (see External links below).
  8. ^ Raukaua in International Plant Names Index. (see External links below).
  9. ^ Berthold Carl Seemann. 1866. On the genus Raukana (sic). page 352. In: Revision of the natural order Hederaceae. Journal of Botany, British and Foreign 4:352. (See External links below).
  10. ^ . (See External links below).
  11. ^ Berthold Carl Seemann. 1868. page 142 In: Additions and Corrections to the Revision of Hederaceae, pages 140-142. In: Revision of the Natural Order Hederaceae, pages 129-142. In: Journal of Botany, British and Foreign, volume 6. (See External links below).
  12. .
  13. ^ Gregory M. Plunkett, Jun Wen, Porter P. Lowry II, Murray J. Henwood, Pedro Fiaschi, and Anthony D. Mitchell. accepted, undated. Araliaceae, pages ??. In: Klaus Kubitzki (editor); ?? (volume editor). The Families and Genera of Vascular Plants volume ??. Springer-Verlag: Berlin; Heidelberg, Germany. ISBN ??

External links