Catclaw Acacia

Senegalia wrightii

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Senegalia
Species:
Senegalia wrightii
USDA Symbol:
SEWR4

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Tree
Height:
900 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
High
Bloom Months:
apr,may,jun
Bloom Colors:
cream, white

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★★★☆☆ Documented Lepidoptera association (GBIF)
Hummingbirds:
★☆☆☆☆ Documented hummingbird visits (GBIF)

Host Plant for Caterpillars

Burns' buck moth (Hemileuca burnsi), Hubbard's silk moth (Syssphinx hubbardi), Melipotis novanda, tricolor buckmoth (Hemileuca tricolor), Zaleops umbrina

Reported Fauna Sightings

Bees: ⚠️Western honey bee (Apis mellifera) Hummingbirds: Costa's Hummingbird (Calypte costae) Butterflies:Marine Blue (Leptotes marina)

Garden & Ecology Notes

Wildlife Value:
birds, butterflies, mammals
Salt Tolerant:
Yes
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from root crown after fire; fire may stimulate seed germination.

Soil Requirements

Soil Type:
well-drained sandy or rocky soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid and semi-arid regions

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 30–90 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–60 days
Notes:
Seeds require scarification (nicking or hot water treatment) followed by warm stratification then cold stratification for optimal germination.

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.

Source: Claude AI