Robert W. Freckmann Herbarium

Fabaceae: Bean, Pea

Leaves alternate, with stipules, simple or once compound. Flowers with one simple pistil which becomes the legume pod fruit. Flowers zygomorphic with sepals fused into a tube. Usually 5 petals, the standard being the larger upper petal. The clawed wings being the 2 side petals. The lower 2 petals which are partly fused are known as the keel.
Sort by: Traits or Genus
Flower Formula:  Sepals 5u; Petals 5 or 5z Glossary

Genus 
(Click for Taxon List)
WI Taxa
(map link)
Photo Genus Traits Google Searches
Amorpha
false indigo
2 Photo of Amorpha Purple flowers with bright orange stamens in dense spikes. Leaves pinnate, silvery. Woody shrub. Images   Information
Amphicarpaea
hog-peanut
1 Photo of Amphicarpaea White to lavender flowers in small clusters. Pods few seeded, flat, coil when open. Vine with 3-parted leaves. Images   Information
Anthyllis
kidney-vetch
1 Photo of Anthyllis Yellow- reddish flowers in rounded, tight clusters. Pods with 1 to few seeds. Leaves odd-pinnate with long end leaflet. Images   Information
Apios
groundnut
1 Photo of Apios Pink-brownish flowers in pointed tight clusters. Pods inflated, coil when open. Leaves odd-pinnate with end leaflet. Vine of shaded, moist areas. Images   Information
Astragalus
locoweed, milk-vetch, poison-vetch
5 Photo of Astragalus Yellow, pink, or purple flowers in spike-like clusters from leaf axils. Pods inflated. Leaves odd-pinnate with many leaflets. Images   Information
Baptisia
false indigo
4 Photo of Baptisia Yellow, white or blue flowers in large, loose spikes. Pods inflated. Leaves palmate with 3-5 leaflets. Images   Information
Caragana
pea-shrub
1 Photo of Caragana Yellow flowers in loose clusters. Pods inflated. Leaves even-pinnate. Woody shrub. Images   Information
Coronilla
crown-vetch
1 Photo of Coronilla Pink flowers in rounded, dense clusters. Pods inflated, narrowing between seeds. Leaves odd-pinnate. Forms dense cover. Images   Information
Crotalaria
rattle-box
1 Photo of Crotalaria Yellow flowers. Pod inflated. Leaves not divided. Images   Information
Dalea
indigo-bush, prairie-clover
5 Photo of Dalea Purple or white flowers in dense spikes. Pods 1-2 seeded, small. Leaves glandular-dotted with thin odd-pinnate leaves. Images   Information
Desmodium
begger-ticks, tick-trefoil
9 Photo of Desmodium Pink flowers on tall, loose branched clusters. Pods divided into flat, triangular, sticky, 1-seeded sections. Leaves 3-parted. Images   Information
Genista
greenweed
1 Photo of Genista Yellow flowers in dense, pointed clusters. Pods flat, opening when mature. Leaves not divided. Woody shrub. Images   Information
Glycine
soybean soybean
1 Photo of Glycine Pink flowers. Pods inflated, fuzzy. Leaves 3-parted. Entire plant fuzzy. Images   Information
Glycyrrhiza
licorice
1 Photo of Glycyrrhiza Yellowish flowers in dense conical clusters. Pods inflated, spiny. Leaves odd-pinnate, not toothed. Images   Information
Lathyrus
vetchling, wild pea
10 Photo of Lathyrus Pink, purple or yellow flowers in loose clusters. Leaves even-pinnate ending in vining tendril. Images   Information
Lespedeza
bush-clover
9 Photo of Lespedeza White, pink, or purple flowers. Pods 1-seeded. Leaves 3-parted, end leaflet stalked. Mostly herbs, 1 shrub. Images   Information
Lotus
trefoil
2 Photo of Lotus Yellow, creamish flowers either solitary or in dense umbels. Pods inflated. Leaves 3-5 parted. Images   Information
Lupinus
lupine
4 Photo of Lupinus Blue to white flowers in tall, conical spikes. Pod flattened, coils when open. Leaves palmate. Images   Information
Medicago
alfalfa, medic
5 Photo of Medicago Yellow or blue flowers in dense round to conical clusters. Calyx not 2-lipped. Pods curved or coiled. Leaves 3-parted with tiny, forward-pointed teeth, end leaflet stalked. Images   Information
Melilotus
melilot, sweet-clover
4 Photo of Melilotus Yellow or white flowers in many long, branched clusters. Pods roundish, 1-4 seeded. Leaves 3-parted with tiny, forward-pointed teeth. Images   Information
Onobrychis
sainfoin
1 Photo of Onobrychis Rosy-red flowers in dense, conical clusters. Pods rounded, closed when mature with toothed or spiny edges. Leaves odd-pinnate. Images   Information
Oxytropis
crazyweed, locoweed
1 Photo of Oxytropis Pink-purple flowers in dense, conical clusters. Pods inflated. Leaves odd-pinnate. Images   Information
Pediomelum
scurf-pea
2 Photo of Pediomelum Purple flowers in dense, conical clusters. Pods flat, closed when mature, 1-2 seeds. Leaves 3-5 parted, silvery. Images   Information
Robinia
locust
2 Photo of Robinia White or rose flowers in long clusters. Pods flat with indentation separating seeds. Leaves odd-pinnate. Large tree. Images   Information
Strophostyles
fuzzy bean
2 Photo of Strophostyles Pink/purple to white flowers in few-flowers clusters. Pods long, flat, fuzzy, coiling when open. Leaves 3-parted. Twining vine. Images   Information
Tephrosia
hoary pea
1 Photo of Tephrosia Mixed yellow and pink flowers in loose, conical clusters. Pods inflated, fuzzy, coiling when open. Leaves odd-pinnate, slivery. Images   Information
Thermopsis
false-lupine, thermopsis
2 Photo of Thermopsis Yellow flowers in long, loose terminal clusters. Pods long, flat. Leaves 3-parted. Images   Information
Trifolium
clover, trefoil
10 Photo of Trifolium Pink, red, yellow, or white flowers in dense, round to conical heads. Calyx 2-lipped. Pods short, straight. Leaves 3-parted with tiny, forward-pointed teeth. Images   Information
Vicia
tare, vetch
9 Photo of Vicia Purple to pink flowers either solitary or in long clusters. Pods long, either flat or rounded. Leaves even-pinnate with end vining tendrils. Images   Information


         
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