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Bossiaea heterophylla

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Presentation on theme: "Bossiaea heterophylla"— Presentation transcript:

1 Bossiaea heterophylla
FABACEAE Variable Bossiaea Graham Dowden

2 The Genus Bossiaea Named after Boissieu de la Martinere, botanist on La Perouse expedition Description des Plantes Nouvelles et peu connues, cultivees dans le Jardin de J.M. Cels (1800) Only found in Australia (endemic) Species: Aus 40, NSW 19, Sydney 7 FABACEAE family (peas) Source: Robinson (2003) Field Guide to the Native Plants of Sydney; FloraBase; PlantNET

3 Identification - Genus
Leaves often small Stems often flattened Flowers orange to yellow with red to brown marks 5-toothed calyx Flowers axillary, often solitary Fruit a pod, seeds with aril Source: Photograph Bossiaea bossiaeoides, © Graham Dowden 2007

4 Bossiaea heterophylla
hetero – different phylla - leaves Source: Robinson (2003) Field Guide to the Native Plants of Sydney; Fairley and Moore (1989) Native Plants of the Sydney District

5 Identification - Species
Shrub to 1m Source: Robinson (2003) Field Guide to the Native Plants of Sydney; Fairley and Moore (1989) Native Plants of the Sydney District

6 Identification - Species
Stems often flattened Source: Robinson (2003) Field Guide to the Native Plants of Sydney; Fairley and Moore (1989) Native Plants of the Sydney District

7 Identification - Species
Large flower 7-15mm Yellow standard with red, orange or brown keel Photograph © Graham Dowden 2009

8 Identification - Species
5-toothed calyx Solitary axillary flower Photograph © Graham Dowden 2009

9 Identification - Species
Fruit a brown pod 2-4cm long Photograph © Graham Dowden 2009

10 Distribution - Australia
Source: AVH, Australia's Virtual Herbarium Available from

11 Distribution - NSW Source: DECC Atlas of NSW Wildlife Available from

12 Distribution - Sydney Ridges, hillsides, woodland, open forest, dunes
Widespread, common, not endangered Source: DECC Atlas of NSW Wildlife Available from

13 Climate and Soil Soil Climate (Very) infertile, rocky to sandy
Sandstones and dunes Well drained, intermittent water Climate Temperate / coastal Rain mm pa Temperature °C Notes Source: Wrigley and Fagg (1996) Australian Native Plants; Benson and McDougall (1996) Ecology of Sydney plant species part 4

14 Life Span and Fire Response
Short to medium 3 years from germination to first fruit Seed may be dispersed by ants Fire Response Killed or resprouts Germinates extensively from seed bank Notes Source: Benson and McDougall (1996) Ecology of Sydney plant species part 44: dicotyledon family Fabaceae. Cunninghamia 4,

15 Bossiaea bossiaeoides, Kimberley, WA
Pests and Diseases Mature Fabaceae seeds often completely eaten by Lepidoptera larvae – pods empty Known species seed predator beetle Notes Bossiaea bossiaeoides, Kimberley, WA Source: Wrigley and Fagg (1996) Australian Native Plants; Benson and McDougall (1996) Ecology of Sydney plant species part 4

16 Propagation Hard coated seed, long storage life
Scratch, heat or soak seed in boiling water to break coat Germinates easily in 3-6 weeks Plant into open sandy soil, full sun Possible stem cuttings Notes Source: Ralph (2003) Growing Australian Native Plants from Seed; Wrigley and Fagg (1996) Australian Native Plants

17 Sources Tubestock Seed Suppliers Current - Toolijoola Nursery, Dural
Often - Harvest Seeds, Terrey Hills Seed Suppliers Royston Petrie Seeds, Mudgee $19.10/10g Possibly Australian Plants Society Seedbank Notes Source:

18 Recommendations Nitrogen fixing species In low numbers on site
Not in adjacent bush reserves Likely to die out unless stimulated to re-germinate from seed after fire Provides ground cover and habitat Notes Source: Photograph © Graham Dowden 2009


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