Hairy Bursaria


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Common names

Hairy Bursaria, Native Blackthorn, Castanet Bush, Christmas Bush.

Scientific names

Bursaria lasiophylla.





Name origin

Bursaria, from Latin bursa, a purse, referring to pouch-like capsules. Lasiophylla, from Greek lasios, woolly, and phyllon, leaf, referring to woolly underside of leaf. Note that the botanical name is in the process of being changed to Bursaria spinosa subsp. lasiophylla.



Growth rate


Growth height

Up to 2.5m.

Presence in Australia

Widespread. More common in the higher rainfall areas than the similar Sweet Bursaria species.

This specie has been identified in the following Australian states: Qld, NSW, ACT, Vic, SA.


Dry sclerophyll forest or woodland, on granite or metamorphic substrates.


Shrub to 2.5m high with clustered green leaves, hairy on underside.

Similar species

Distinguish Bursarias by the leaf underside. Hairy Bursaria has downy white leaf underside. Sweet Bursaria leaves green on both surfaces.

Site preference

Well-drained soil. Tolerates frost and wind.


Long-lived. May be slow-growing.


White to cream - chiefly summer.

Seed collection

Late Jan to early May, when ripe fruit rattle. Timing depends on season and location of plants, with seed on plants east of the Hume Highway ripening later than seed on plants further west.


From seed (±190 viable seeds per gram), and cuttings. Stratifying seed by combining with moist sand and refrigerating for 6 weeks enhances germination. Sow around Jun-Jul when temperatures low and days short. Germination may take several months. Seedlings prone to late damping-off. Treat with fungicide to reduce losses.


From seed over winter. Seed dispersed by wind.

Shade and shelter

Excellent low-level cover in windbreaks.

Land protection

Useful for controlling gully erosion as fibrous roots bind soil.


Timber pale, fine-grained and tough. Seasons well due to little shrinkage. Takes fine polish and has pleasant scent when freshly cut.


Useful habitat as bursaria hosts insects that feed on saw-fly larvae (spit-fire grubs) which feed on eucalypts. Also a nectar source for wasps that parasitise leaf-eating scarab insects and pasture grubs, generally within 200 metres of plants. Fragrant flowers attract butterflies, moths and other native insects. Insect-eating birds attracted. Thorny plants excellent refuge and nest sites for small birds.


Excellent ornamental or specimens for hedges and cut flowers, due to summer flowering and bronze capsules over winter.


Leaves contain aesculin, substance thought to absorb ultraviolet rays. European settlers apparently used it to prevent sunburn. There was industry based on collection of leaves for sunburn creams and haemorrhoid treatment. Nectar can be sucked from flowers.