SPECIMEN NO. #4 ⚠️ TOXIC TO PETS Family: Araceae

Spathiphyllum wallisii

Common Name: Peace Lily

Peace Lily (Spathiphyllum wallisii) is a houseplant in the Araceae family, native to Galápagos Islands. It is a medium to low-light species that thrives between 500 and 1500 lux. Optimal indoor care calls for watering roughly every 7 days, temperatures of 15–30°C, and about 50% humidity. According to ASPCA data, it is toxic to dogs and cats; reported symptoms include oral irritation, intense burning of mouth, tongue and lips, excessive drooling, vomiting. It is also known as Peace Lily.

Spathiphyllum wallisii (Peace Lily) botanical field specimen photograph

ASPCA Pet Toxicity Determination

Toxic to Dogs? YES (Toxic)
Toxic to Cats? YES (Toxic)
Clinical Symptoms:

Oral irritation, intense burning of mouth, tongue and lips, excessive drooling, vomiting.

Quantitative Care Thresholds

Light Level Profile Medium to Low
Minimum Light Requirement 500 Lux
Maximum Light Tolerance 1500 Lux
Watering Frequency Every 7 Days
Temperature Envelope 15°C – 30°C
Ideal Ambient Humidity 50% RH

Taxonomic & Field Verification

GBIF Usage Key 2869680
Native Biogeographical Range Galápagos Islands
🔬 Verify on GBIF Species Portal