Purple Bushbean

Scientific Name: Macroptilium atropurpureum (Moc. & Sessé ex DC.) Urb.


Classification: Plantae/ Tracheobionta / Spermatophyta / Magnoliophyta / Magnoliopsida / Rosidae / Fabales / Fabaceae / Leguminosae / Macroptilium (Benth.) Urb/ Macroptilium atropurpureum (Moc. & Sessé ex DC.) Urb.

Purple Bushbean
General Information
Usda SymbolMAAT80
GroupDicot
Life CyclePerennial
Growth HabitsForb/herbVine,
Native LocationsMAAT80

Plant Guide

Use a soil moisture meter to monitor the soil moisture where Purple Bushbean is planted.

Plant Traits

Growth Requirements

Temperature, Minimum (°F)23
Adapted to Coarse Textured SoilsYes
Adapted to Fine Textured SoilsYes
Adapted to Medium Textured SoilsYes
Anaerobic ToleranceMedium
CaCO3 ToleranceMedium
Cold Stratification RequiredNo
Drought ToleranceMedium
Fertility RequirementMedium
Fire ToleranceNone
Frost Free Days, Minimum365
Hedge ToleranceLow
Moisture UseLow
pH, Maximum8.0
pH, Minimum5.0
Planting Density per Acre, Maxim1700
Planting Density per Acre, Minim1200
Precipitation, Maximum111
Precipitation, Minimum15
Root Depth, Minimum (inches)24
Salinity ToleranceMedium
Shade ToleranceIntermediate


Morphology/Physiology

After Harvest Regrowth RateModerate
ToxicityNone
Resprout AbilityNo
Shape and OrientationClimbing
Active Growth PeriodSpring and Summer
BloatNone
C:N RatioMedium
Coppice PotentialNo
Fall ConspicuousYes
Fire ResistantNo
Flower ColorPurple
Flower ConspicuousYes
Foliage ColorDark Green
Foliage Porosity SummerDense
Foliage Porosity WinterModerate
Fruit/Seed ColorBrown
Nitrogen FixationMedium
Low Growing GrassNo
LifespanShort
Leaf RetentionYes
Known AllelopathNo
Height, Mature (feet)4.0
Growth RateRapid
Growth FormThicket Forming
Fruit/Seed ConspicuousYes
Foliage TextureFine


Reproduction

Vegetative Spread RateSlow
Small GrainNo
Seedling VigorHigh
Seed Spread RateModerate
Fruit/Seed Period EndYear Round
Seed per Pound34019
Propagated by TubersNo
Propagated by SprigsNo
Propagated by SodNo
Propagated by SeedNo
Propagated by CormNo
Propagated by ContainerYes
Propagated by BulbNo
Propagated by Bare RootNo
Fruit/Seed PersistenceNo
Fruit/Seed Period BeginYear Round
Fruit/Seed AbundanceLow
Commercial AvailabilityRoutinely Available
Bloom PeriodIndeterminate
Propagated by CuttingsYes


Suitability/Use

Veneer ProductNo
Pulpwood ProductNo
Protein PotentialHigh
Post ProductNo
Palatable HumanNo
Palatable Graze AnimalHigh
Palatable Browse AnimalHigh
Nursery Stock ProductYes
Naval Store ProductNo
Lumber ProductNo
Fodder ProductNo
Christmas Tree ProductNo
Berry/Nut/Seed ProductNo

Purple Bushbean

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