PlantNET Home PlantNET Home | Search NSW Flora | Contact Us  
FloraOnline
Introduction
Plant Name Search
Index Search
Spatial Search
Identification Keys
Classification
Glossary
HerbLink (Type Images)
WeedAlert
Other PlantNET Sites
Other Data Sources
NEW SOUTH WALES FLORA ONLINE Printable Page

Bursaria spinosa Cav.
Family Pittosporaceae
Common name: Blackthorn, Boxthorn, Sweet Bursaria, Kurwan (D'harawal)

Bursaria spinosa Cav. APNI*

Description: Shrub or small to medium tree to 10 m high; branches almost glabrous, usually spinose.

Adult leaves often clustered at nodes, becoming alternate, linear to narrowly ovate, to obovate or cuneate, usually 20–43 mm long, 3–12 mm wide; margin thick, slightly down-turned; apex rounded to slightly notched with mucro; leaf surface often glabrous or almost so, or lower surface hairy.

Inflorescences terminal pyramidal panicles 10–25 cm long, or occasionally in axillary clusters. Flowers numerous, aromatic, bisexual. Sepals c. 1 mm long, caducous or persistent to anthesis. Petals usually 3–6 mm long, 1–2 mm wide, white or cream-coloured.

Capsule flattened, purse-like, 4–10 mm long, 6–9 mm wide; base slightly stalked; apex truncate or notched, style persistent.


Illustration
L. Elkan

Habit
Photo Tanja Lenz

Flower
Photo J. & P. Edwards

Flowering: throughout year, but chiefly in summer.

Distribution and occurrence: Widespread and common throughout the State and all ofther states, except Western Australia and Northern Territory..

Grows in dry to wet sclerophyll forest, often on non-siliceous soils; sometimes a weed on cleared land.
NSW subdivisions: NC, CC, SC, NT, CT, ST, NWS, CWS, SWS, NWP, SWP
Other Australian states: Qld Vic. Tas. S.A.
AVH map***

Two subspecies are recognised, namely, Bursaria spinosa subsp. spinosa and subsp. lasiophylla.

Text by B.J. Conn & R.G. Coveny
Taxon concept: L.W Cayzer, M.D. Crisp & I.R.H. Telford (1999)

 Key to the subspecies 
1Erect tree or shrub, 5–10 m high; hairs on new shoots and abaxial surface of leaves usually not persisting with age; adult leaves 23–43 mm long, 5–9 mm wide; petals 4–6 mm longsubsp. spinosa
Multi-stemmed shrub usually less than 5 m high; hairs moderately dense, appressed to shoots, abaxial surface of leaves, and ovary persistent; adult leaves 20–35 mm long, 7–12 mm wide; petals up to 4 mm longsubsp. lasiophylla

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
  Privacy | Copyright | Disclaimer | About PlantNET | Cite PlantNET