Bossiaea heterophylla FABACEAE Variable Bossiaea Graham Dowden.
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Transcript of Bossiaea heterophylla FABACEAE Variable Bossiaea Graham Dowden.
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Bossiaea heterophyllaBossiaea heterophylla
FABACEAEFABACEAE
Variable BossiaeaVariable Bossiaea
Graham DowdenGraham Dowden
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The Genus The Genus BossiaeaBossiaea
Named Named after Boissieu de la after Boissieu de la Martinere, botanist on La Perouse Martinere, botanist on La Perouse expeditionexpedition
Description des Plantes Nouvelles et Description des Plantes Nouvelles et peu connues, cultivees dans le Jardin peu connues, cultivees dans le Jardin de J.M. Cels (1800)de J.M. Cels (1800)
Only found in Australia (endemic)Only found in Australia (endemic)• Species: Aus 40, NSW 19, Sydney 7Species: Aus 40, NSW 19, Sydney 7
FABACEAE family (peas)FABACEAE family (peas)
Source: Robinson (2003) Field Guide to the Native Plants of Sydney; FloraBase; PlantNET
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Identification - GenusIdentification - Genus
Source: Photograph Bossiaea bossiaeoides, © Graham Dowden 2007
Stems often flattened
Leaves often small
Flowers axillary,often solitary
5-toothed calyx
Flowers orange to yellow with red to brown marks
Fruit a pod, seeds with aril
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Bossiaea Bossiaea heterophyllaheterophylla
heterohetero – different – different phyllaphylla - leaves - leaves
Source: Robinson (2003) Field Guide to the Native Plants of Sydney; Fairley and Moore (1989) Native Plants of the Sydney District
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Identification - SpeciesIdentification - 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
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Identification - SpeciesIdentification - Species
Source: Robinson (2003) Field Guide to the Native Plants of Sydney; Fairley and Moore (1989) Native Plants of the Sydney District
Stems oftenflattened
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Identification - SpeciesIdentification - Species
Photograph © Graham Dowden 2009
Large flower 7-15mm
Yellow standard with red, orange or brown keel
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Identification - SpeciesIdentification - Species
Solitary axillary flower
5-toothed calyx
Photograph © Graham Dowden 2009
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Identification - SpeciesIdentification - Species
Photograph © Graham Dowden 2009
Fruit a brown pod 2-4cm long
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Distribution - AustraliaDistribution - Australia
Source: AVH, Australia's Virtual Herbarium Available from http://www.cpbr.gov.au/avh/
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Distribution - NSWDistribution - NSW
Source: DECC Atlas of NSW Wildlife Available from http://wildlifeatlas.nationalparks.nsw.gov.au
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Source: DECC Atlas of NSW Wildlife Available from http://wildlifeatlas.nationalparks.nsw.gov.au
Distribution - SydneyDistribution - Sydney
Ridges, hillsides, Ridges, hillsides, woodland, open woodland, open forest, dunesforest, dunes
Widespread, Widespread, common, not common, not endangeredendangered
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Climate and SoilClimate and Soil
SoilSoil• (Very) infertile, rocky to (Very) infertile, rocky to
sandysandy• Sandstones and dunesSandstones and dunes• Well drained, Well drained,
intermittent waterintermittent water ClimateClimate
• Temperate / coastalTemperate / coastal• Rain 1000-1400mm paRain 1000-1400mm pa• Temperature -2 -35°CTemperature -2 -35°C
Source: Wrigley and Fagg (1996) Australian Native Plants; Benson and McDougall (1996) Ecology of Sydney plant species part 4
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Life Span and Fire ResponseLife Span and Fire Response
Life SpanLife Span• Short to mediumShort to medium• 3 years from germination to first fruit3 years from germination to first fruit• Seed may be dispersed by antsSeed may be dispersed by ants
Fire ResponseFire Response• Killed or resproutsKilled or resprouts• Germinates extensively from seed bankGerminates extensively from seed bank
Source: Benson and McDougall (1996) Ecology of Sydney plant species part 44: dicotyledon family Fabaceae. Cunninghamia 4, 553 752
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Pests and DiseasesPests and Diseases
Mature Fabaceae Mature Fabaceae seeds often seeds often completely eaten completely eaten by Lepidoptera by Lepidoptera larvae – pods larvae – pods emptyempty
Known species Known species seed predator seed predator beetlebeetle
Source: Wrigley and Fagg (1996) Australian Native Plants; Benson and McDougall (1996) Ecology of Sydney plant species part 4
Bossiaea bossiaeoides, Kimberley, WA
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PropagationPropagation
Hard coated seed, long storage lifeHard coated seed, long storage life Scratch, heat or soak seed in boiling Scratch, heat or soak seed in boiling
water to break coatwater to break coat Germinates easily in 3-6 weeksGerminates easily in 3-6 weeks Plant into open sandy soil, full sunPlant into open sandy soil, full sun Possible stem cuttingsPossible stem cuttings
Source: Ralph (2003) Growing Australian Native Plants from Seed; Wrigley and Fagg (1996) Australian Native Plants
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SourcesSources
TubestockTubestock• Current - Toolijoola Nursery, DuralCurrent - Toolijoola Nursery, Dural• Often - Harvest Seeds, Terrey HillsOften - Harvest Seeds, Terrey Hills
Seed SuppliersSeed Suppliers• Royston Petrie Seeds, Mudgee Royston Petrie Seeds, Mudgee
$19.10/10g$19.10/10g• Possibly Australian Plants Society Possibly Australian Plants Society
SeedbankSeedbank
Source:
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RecommendationsRecommendations
Nitrogen fixing species Nitrogen fixing species In low numbers on siteIn low numbers on site Not in adjacent bush reservesNot in adjacent bush reserves Likely to die out unless stimulated to Likely to die out unless stimulated to
re-germinate from seed after firere-germinate from seed after fire Provides ground cover and habitatProvides ground cover and habitat
Source: Photograph © Graham Dowden 2009