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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordo: Fabales

Familia: Fabaceae
Subfamilia: Caesalpinioideae
Tribus: Acacieae
Genus: Acacia
Species: Acacia phlebophylla
Name

Acacia phlebophylla F.Muell. ex H.B.Will.
Synonyms

Acacia sophorae var. montana F.Muell.
Racosperma phlebophyllum (F.Muell. ex H.B.Will.) Pedley

Distribution
Native distribution areas:
Acacia phlebophylla

Continental: Australasia
Regional: Australia
Victoria

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
References
Primary references

Mueller, F.J.H. v., 1863. The Plants Indigenous to the Colony of Victoria: 607.

Links

Govaerts, R. et al. 2020. Acacia phlebophylla in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 Aug 12. Reference page.
International Plant Names Index. 2019. Acacia phlebophylla. Published online. Accessed: Aug 12 2019.
Tropicos.org 2019. Acacia phlebophylla. Missouri Botanical Garden. Published online. Accessed: 12 Aug 2019.
Catalogue of Life: 2021 Annual Checklist
Acacia phlebophylla – Taxon details on World Wide Wattle.

Vernacular names
English: Buffalo Sallow Wattle

Acacia phlebophylla, a type of acacia also known by the names Buffalo sallow wattle and Mount Buffalo wattle, is a straggling shrub to small, twisted tree reaching up to 5 m in height. It is a close relative of Acacia alpina.[2] It has large, elliptic, flat, commonly asymmetrical phyllodes 4–14 cm long, 1.5–6 cm wide, with coarse veins, a leathery feel, prominent nerves and reticulated veins. Deep yellow rod-like flowers appear in spring (June–December in Australia), widely scattered on spikes 4–7 cm long, followed by 7–10 cm long legumes in November–March, narrow, straight or slightly curved, releasing 5–10 elliptical seeds, 5–7.5 mm long. Solitary or twinned spikes, to 6 cm long. Only known from the high altitude granite slopes of Mount Buffalo National Park, Victoria, Australia, where it occurs above 350 meters in woodlands and heathlands often amongst granite boulders.

This is one of the purest natural sources of the psychedelic drug dimethyltryptamine, also known as DMT, which occurs as the predominant alkaloid throughout the plant. However, due to conservation issues this species is not considered a viable source of tryptamines, as outlined below. A much more common species such as Acacia obtusifolia, should be researched instead.

Recent reports on regrowth after the 2006 bushfires indicates that the phyllodes of young plants have little to no dimethyltryptamine content. This is presumed to be due to the young age of the plants versus the old growth that stood before the fire.
Conservation

Care must be taken with this species as it consists of one population or metapopulation which has been ravaged over the years by bush fires and fungal infections. Acacia phlebophylla is listed as rare and threatened by the Victoria Department of Sustainability and Environment. There is significant concern for the viability of this population, particularly with the threat of fungal pathogens and other disturbances. (A particular species of local wasp may be associated with the transmission of this fungal pathogen.)
Looking/walking amongst them from stand to stand has been strongly advised against, due to the risk of spreading the fungal pathogen which at the moment is their greatest threat.
Though there are many accounts of bountiful regrowth, this species should not be used for the extraction of drugs for conservation reasons. Attempts at ex-situ cultivation have been mostly unsuccessful and have usually resulted in plants dying at 3 years. If cultivation is successful, it is important that plants are allowed to mature and produce seeds for eventual rehabilitation rather than used for tryptamine production.

Healthy plants exist in private gardens near Gatton, Queensland as well near Meadows in South Australia and in Ireland, indicating the plant is not as recalcitrant in cultivation or restricted to its alpine environment as was once thought.
References

ILDIS LegumeWeb
World Wide Wattle

Plants Images

Biology Encyclopedia

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