Lomatia tinctoria

Lomatia tinctoria, commonly known as guitar plant,[2] is a shrub to about 2 metres tall of the family Proteaceae. It is one of three species of Lomatia endemic to Tasmania, the others being L. polymorpha and L. tasmanica. Lomatia tinctoria is closely related to L. polymorpha, with which it sometimes hybridises. Its leaves are divided, while those of L. polymorpha are simple.[2]

Guitar plant
Lomatia tinctoria in the Royal Botanic Garden Edinburgh
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Lomatia
Species:
L. tinctoria
Binomial name
Lomatia tinctoria

Description

Lomatia tinctoria grows as a woody shrub reaching 1.5 m (5 ft) high, or rarely up to 2 m (7 ft) high.[2] The leaves are strongly lobed (pinnate or bipinnate) and are around 8 cm long. The white or cream flower heads, known as inflorescences, appear in summer.[3]

The common name of guitar plant may refer to the shape of the fruit.[3][4]

Taxonomy and naming

French naturalist Jacques Labillardière first described this species as Embothrium tinctorium in 1805, with the species name, Latin tinctoria "used in dyeing", relating to a product in the fruit that can be used for dyeing.[5] At the time, Embothrium was a wastebasket taxon to which many proteaceae were assigned.[3] It was given its current binomial name by Robert Brown in his 1810 On the natural order of plants called Proteaceae.[6] An alternative name, Tricondylus silaifolius, published by Joseph Knight in his 1809 On the cultivation of the plants belonging to the natural order of Proteeae, was rejected,[7] after Brown's 1810 description of the genus Lomatia was officially conserved against Salisbury's 1809 Tricondylus.[3]

Distribution and habitat

Lomatia tinctoria is found in north eastern Tasmania, "mostly north and east of the Pieman and Derwent rivers and on Cape Barren and on and Flinders Islands".[2] Lomatia polymorpha occurs "approximately south of the Pieman River and west of the Derwent River"[8] but where the ranges overlap, as for example near Lake St Clair, apparent hybrids occur, even though the leaves of the two species are "strikingly different".[9]

Immature fruit.
Leaves in the ANBG
L. tinctoria x polymorpha hybrid near Lake St Clair.

Use in horticulture

Lomatia tinctoria can be grown in gardens, doing best on acidic well-drained soils, and tolerating sunny or shady locations.[10] It is readily propagated from seed or cuttings.[3]

References
  1. "Lomatia tinctoria". Australian Plant Census. Retrieved 1 May 2021.
  2. "Lomatia tinctoria". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 31 March 2023.
  3. Wrigley, John; Fagg, Murray (1991). Banksias, Waratahs and Grevilleas. Sydney: Angus & Robertson. pp. 447, 452. ISBN 0-207-17277-3.
  4. Burns, Dick. "What's in a Name?". Friends of the Australian National Botanic Gardens. Retrieved 7 January 2015.
  5. "Embothrium tinctorium Labill". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government.
  6. "Lomatia tinctoria (Labill.) R.Br". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government.
  7. "Tricondylus tinctorius (Sm.) Knight". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government.
  8. Wilson, A.J.G.; Hewson, Helen J.; Mowatt, J. "Lomatia polymorpha". Retrieved 7 January 2015.
  9. Jordan, Greg (2011). "L. tinctoria x polymorpha". Retrieved 7 January 2015.
  10. Elliot, Rodger W.; Jones, David L.; Blake, Trevor (1993). Encyclopaedia of Australian Plants Suitable for Cultivation:Volume 6 - K–M. Port Melbourne, Victoria: Lothian Press. p. 234. ISBN 0-85091-589-9.

External sources
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