Mexican Buckeye
Ungnadia speciosa
- Native to:
- Mexico, United States
Stan Shebs





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Sapindaceae
- Genus:
- Ungnadia
- Species:
- Ungnadia speciosa
- USDA Symbol:
- UNSP
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 914 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- mar,apr
- Bloom Colors:
- pink
Wildlife Benefits
- Bees:
- ★★★☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★★☆☆☆ Documented Lepidoptera association (GBIF)
- Hummingbirds:
- ★☆☆☆☆ Documented hummingbird visits (GBIF)
Reported Fauna Sightings
Bees: ⚠️Western honey bee (Apis mellifera) Hummingbirds: Broad-tailed Hummingbird (Selasphorus platycercus) Moths:Elasmia cave Butterflies:Henry's Elfin (Callophrys henrici)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Fall Color:
- yellow
Soil Requirements
- Soil Type:
- well-drained, rocky or sandy soil
- pH:
- 6.0 - 8.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to limestone-rich areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 30–60 days
- Notes:
- Seeds require scarification (nicking or hot water) followed by cold stratification for 60-90 days.
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
Where to Buy
Nationwide Seller
- Sheffield's Seed (seeds)