Pittosporum angustifolium

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Weeping pittosporum
Pittosporum phillyreoides (P. angustifolium).jpg
Pittosporum angustifolium00.jpg
Drawing by Margaret Flockton
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Apiales
Family: Pittosporaceae
Genus: Pittosporum
Species:
P. angustifolium
Binomial name
Pittosporum angustifolium
Pittosporum angustifolium AVH records-2020-03-26.png
Occurrence data from AVH
Synonyms

Pittosporum phillyreoides auct. non (DC.) Benth.

Pittosporum angustifolium (formerly Pittosporum phillyreoides ) is a shrub or small tree growing throughout inland Australia. Common names include weeping pittosporum, butterbush, cattle bush, native apricot, apricot tree, gumbi gumbi (or gumby gumby), cumby cumby, meemeei, poison berry bush, and berrigan.

Contents

History

Pittosporum angustifolium was first described in 1832 in the Loddiges' The Botanical Cabinet, published by William Loddiges and George Loddiges. [3]

George Bentham combined this species and P. ligustrifolium with P. phillyreoides ; however, all three were split in the 2000 revision; the true P. phillyreoides is only found in a narrow coastal strip of northwestern Australia. The weeping foliage of P. angustifolium distinguishes it from the other two taxa. [4]

Description

Pittosporum angustifolium is a slow-growing plant that can reach 10 m (33 ft) in height. [5]

It has pendulous (weeping) branches. The leaves are long and thin, 4 to 12 cm (1.5 to 4.5 in) long and 0.4–1.2 cm (0.16–0.47 in) wide. The small creamish yellow tubular flowers have a pleasant scent. Flowering occurs from late winter to mid spring. [6] Up to 1.4 cm (0.55 in) in diameter, the small round orange fruit resembles an apricot and can remain on the tree for several years. The wrinkled dark red seeds are held within a sticky yellow pulp. [4] Full sun and good drainage is recommended for planting. Seeds germinate in around 17 days without any particular difficulty at 25 °C. There are around 20 viable seeds per gram.

Common names include weeping pittosporum, butterbush, cattle bush, native apricot, apricot tree, gumbi gumbi (or gumby gumby [7] ), cumby cumby, meemeei, poison berry bush, and berrigan. [4] [5]

Habitat

The species is found in all states of Australia except Tasmania, and in the Northern Territory. [5] It is a widespread plant found across most of inland Australia in mallee communities, alluvial flats, ridges, as well as dry woodland and on loamy, clay or sandy soils, however it is never common. [4]

Fruit Pittosporum angustifolium IMG 20190607 084420.jpg
Fruit

It is drought- and frost-resistant. It can survive in areas with rainfall as low as 150 mm (5.9 in) per year. A resilient desert species, individuals may live for over a hundred years. [4] [8] [6]

Uses

Cattle often graze on the leaves, which provide reasonable nutrition. The timber can be used for wood turning.[ citation needed ]

It is also used as an ornamental plant in the garden, prized for its weeping habit and orange fruit. [5]

Traditional/cultural use

Indigenous Australians used parts of the plant in various ways as medicine. [9] [10] [11]

Uses varied from place to place and people to people. [5] Some ate or chewed the gum [12] that oozed from branches, while others ground seeds into flour for food. Most commonly, the leaves, seed or wood were steep in hot water and made into a poultice or a tea for medicinal uses, such as to relieve digestive issues, internal pain and cramping, combat chronic fatigue, induce lactation, treat colds, muscle sprains, eczema and other sources of itching. [5] [9] [13] [10]

Despite being known as "native apricot", the bitter fruit is rarely considered a food source. [9]

Medical/therapeutic use

Ongoing scientific research is being carried out internationally, and has begun to identify medically relevant biochemistry present in P. angustifolium, including anti microbial and antibacterial, [14] [15] antioxidant, [16] [15] antifungal, [17] anti inflammatory, [18] and galactogogue compounds. [19] The findings suggest biochemical compounds from this plant have low toxicity when consumed by humans, [15] [20] and could be used to inhibit microbial and fungal growth, bring on lactation, induce apoptosis in cancer cells, protect cells against free radicals and oxidisation, and increase efficacy of commonly prescribed antibiotics; findings are consistent with traditional knowledge and uses. [19] [20] [14] [21] [18] [22] [16] [23]

Central Queensland University conducted a long-term project to examine the potential medicinal uses of native Australian plants, in consultation with Ghungalu elder Uncle Steve Kemp, who has been providing plant materials, including P. angustifolium, for the project. [10] Cytotoxic, antioxidant and phenolic compounds have been identified, providing a strong case for the therapeutic benefits and potential cancer fighting properties of the plant. [22] [21] Some cytotoxic properties have also been identified in other studies. [24] [25]

Related Research Articles

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References

  1. ↑ "Pittosporum angustifolium". Australian Plant Name Index, IBIS database. Centre for Plant Biodiversity Research, Australian Government.
  2. ↑ Loddiges, C., Loddiges, G. & Loddiges, W. (1832), The Botanical Cabinet: t. 1859.
  3. ↑ Grazyna Paczkowska. "Pittosporum angustifolium". FloraBase, the West Australian Flora. Retrieved 27 January 2020.
  4. 1 2 3 4 5 Cayzer, Lindy W.; Crisp, Michael D.; Telford, Ian R. H. (2000). "Revision of Pittosporum (Pittosporaceae) in Australia". Australian Systematic Botany. CSIRO. 13 (6): 845. doi:10.1071/sb99021 . Retrieved 22 April 2012.
  5. 1 2 3 4 5 6 Butterbush, Woolshed Thurgoona Landcare Group, retrieved 2 May 2022
  6. 1 2 "Pittosporum angustifolium". Plant Net - NSW Flora Online. NSW Government . Retrieved 22 April 2012.
  7. ↑ Cunningham, Melissa (30 October 2019). "Fake cancer cures top list of complaints". Sydney Morning Herald. Sydney. Retrieved 1 November 2019.
  8. ↑ "Pittosporum angustifolium". FloraBank. Retrieved 23 April 2012.
  9. 1 2 3 "Gumbi Gumbi - Pittosporum angustifolium". Tucker Bush. Retrieved 11 August 2023.
  10. 1 2 3 Hines, Jasmine (25 April 2022). "Gumby gumby trees and other Aboriginal medicines to be researched by CQ University". ABC News. Australian Broadcasting Corporation . Retrieved 2 May 2022.
  11. ↑ "Gumbi Gumbi, Bitter Bush an Australian Native Bush Food | Taste Australia Bush Food Shop". www.bushfoodshop.com.au. Retrieved 11 August 2023.
  12. ↑ Greig, Denise (1998). A Photographic Guide to Trees in Australia. New Holland. p. 128. ISBN   1864363266.
  13. ↑ Marketing (30 June 2022). "Do you know about the Gumbi Gumbi tree?". TASC. Retrieved 11 August 2023.
  14. 1 2 Blonk, Baxter; Cock, Ian E. (1 July 2019). "Interactive antimicrobial and toxicity profiles of Pittosporum angustifolium Lodd. extracts with conventional antimicrobials". Journal of Integrative Medicine. 17 (4): 261–272. doi:10.1016/j.joim.2019.03.006. hdl: 10072/385928 . ISSN   2095-4964. PMID   31000372. S2CID   109685105.
  15. 1 2 3 Beh, Chau Chun; Teoh, Wen Hui (2022). "Recent Advances in the Extraction of Pittosporum angustifolium Lodd. Used in Traditional Aboriginal Medicine: A Mini Review". Nutraceuticals. 2 (2): 49–59. doi: 10.3390/nutraceuticals2020004 . ISSN   1661-3821.
  16. 1 2 Bäcker, Christian; Jenett-Siems, Kristina; Bodtke, Anja; Lindequist, Ulrike (2014). "Polyphenolic compounds from the leaves of Pittosporum angustifolium". Biochemical Systematics and Ecology. 55: 101–103. doi:10.1016/j.bse.2014.02.015.
  17. ↑ Phan, Anh Dao Thi; Chaliha, Mridusmita; Hong, Hung Trieu; Tinggi, Ujang; Netzel, Michael E.; Sultanbawa, Yasmina (2020). "Nutritional Value and Antimicrobial Activity of Pittosporum angustifolium (Gumby Gumby), an Australian Indigenous Plant". Foods. 9 (7): 887. doi: 10.3390/foods9070887 . ISSN   2304-8158. PMC   7404462 . PMID   32640660.
  18. 1 2 Agatonovic-Kustrin, Snezana; Gegechkori, Vladimir; Morton, David W. (21 June 2021). "The effect of extractive lacto-fermentation on the bioactivity and natural products content of Pittosporum angustifolium (gumbi gumbi) extracts". Journal of Chromatography A. 1647: 462153. doi:10.1016/j.chroma.2021.462153. ISSN   0021-9673. PMID   33957349. S2CID   233982731.
  19. 1 2 Sadgrove, Nicholas John; Jones, Graham Lloyd (13 February 2013). "Chemical and biological characterisation of solvent extracts and essential oils from leaves and fruit of two Australian species of Pittosporum (Pittosporaceae) used in aboriginal medicinal practice". Journal of Ethnopharmacology. 145 (3): 813–821. doi:10.1016/j.jep.2012.12.019. ISSN   0378-8741. PMID   23274743.
  20. 1 2 Jones, GL (2014). "THE BIOLOGICAL ACTIVITY OF MOLECULAR COMPONENTS FROM PITTOSPORUM ANGUSTIFOLIUM IS CONSISTENT WITH ITS USE IN TRADITIONAL ABORIGINAL MEDICINE". University of New England, Armidale, Australia.
  21. 1 2 Mani, Janice S.; Johnson, Joel B.; Hosking, Holly; Ashwath, Nanjappa; Walsh, Kerry B.; Neilsen, Paul M.; Broszczak, Daniel A.; Naiker, Mani (25 March 2021). "Antioxidative and therapeutic potential of selected Australian plants: A review". Journal of Ethnopharmacology. 268: 113580. doi:10.1016/j.jep.2020.113580. ISSN   0378-8741. PMID   33189842. S2CID   226973440.
  22. 1 2 Mani, Janice; Johnson, Joel; Hosking, Holly; Walsh, Kerry; Neilsen, Paul; Naiker, Mani (1 March 2022). "In vitro Cytotoxic Properties of Crude Polar Extracts of Plants Sourced from Australia". Clinical Complementary Medicine and Pharmacology. 2 (1): 100022. doi: 10.1016/j.ccmp.2022.100022 . ISSN   2772-3712. S2CID   247152260.
  23. ↑ Patil, Anuja (2018). "UQ eSpace". espace.library.uq.edu.au. doi:10.14264/uql.2018.838 . Retrieved 12 August 2023.
  24. ↑ Bäcker, Christian; Drwal, Malgorzata N.; Preissner, Robert; Lindequist, Ulrike (1 April 2016). "Inhibition of DNA–Topoisomerase I by Acylated Triterpene Saponins from Pittosporum angustifolium Lodd". Natural Products and Bioprospecting. 6 (2): 141–147. doi:10.1007/s13659-016-0087-5. ISSN   2192-2209. PMC   4805651 . PMID   26803837.
  25. ↑ Bäcker, Christian; Jenett-Siems, Kristina; Siems, Karsten; Wurster, Martina; Bodtke, Anja; Lindequist, Ulrike (1 June 2014). "Cytotoxic Saponins from the Seeds of Pittosporum angustifolium". Zeitschrift für Naturforschung C. 69 (5–6): 191–198. doi:10.5560/znc.2014-0011. ISSN   1865-7125. PMID   25069157. S2CID   4650274.
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