Prairie Acacia

Acaciella angustissima

Also known as: prairie acacia

Native to:
Argentina, Belize, Bolivia, Colombia, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panamá, Peru, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Acaciella
Species:
Acaciella angustissima
USDA Symbol:
ACAN11

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
200 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
High
Bloom Months:
may,jun,jul,aug,sep
Bloom Colors:
white, cream
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Blanchard's Prominent Moth (Syssphinx blanchardi), Cydia ninana, raspa sphinx moth (Syssphinx raspa), Syssphinx albolineata, Outis Skipper (Cogia outis)

Reported Fauna Sightings

Butterflies:Satyrium alcestis

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, birds, small mammals
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from root crown after fire or top-kill. Common in fire-maintained grasslands and savannas throughout its range.

Soil Requirements

Soil Type:
well-drained, sandy or loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
adapted to nutrient-poor soils

Propagation & Germination

Stratification:
None required
Scarification:
Seed coat scarification required before sowing
Germination Time:
7–21 days
Notes:
Seed scarification with hot water soak or mechanical scarification significantly improves germination rates. Seeds have hard, impermeable seed coats typical of legumes.

The above propagation data sourced from Claude AI

Pre-treatment: Single-step cold-moist stratification for temperate woodland species. for 60–120 days

Source: Claude AI