About
Alocasia longiloba is an aroid that anchors a widespread species complex from southern China through mainland Southeast Asia to Malesia.
Care at a glance
- Pet safety
- Toxic to cats, dogs and horses: calcium oxalate crystals irritate the mouth and gut. General guidance for the genus
- People
- Calcium oxalate crystals cause painful irritation of the lips, mouth and throat if eaten, possibly with nausea and vomiting; sap can cause contact dermatitis. General guidance for the genus
- Light
- Dappled sun or partial shade (2–6 hours of direct sun). General guidance for the genus
- Water
- Water regularly but avoid waterlogging; overwatering leads to root rot and yellowing leaves. General guidance for the genus
- Temperature
- Grows best with daytime temperatures of about 20–25 °C (68–77 °F). General guidance for the genus
- Soil
- Moist, well-drained, humus-rich, slightly acidic soil. General guidance for the genus
- Propagation
- Division of offsets. General guidance for the genus
- Hardiness
- USDA zones 10a–12b. General guidance for the genus
“General guidance for the genus” marks advice sourced for the genus as a whole rather than this species.
Field notes
Distribution & habitat
Guangdong, Hainan and southern Yunnan in China, mainland Southeast Asia, and western and central Malesia.
History & etymology
Several former species sold as houseplants, such as ‘argyrea’, ‘korthalsii’, ‘lowii’ and ‘watsoniana’, are now treated as forms within it. A. × amazonica (African mask) derives from crossing A. sanderiana with a member of this complex.
Habitat
- Altitude
- Not recorded
- Altitude class
- —
- Native to
- China, Malaysia, Indonesia
Cultivation
- Difficulty
- Not recorded
- Temperature
- Grows best with daytime temperatures of about 20–25 °C (68–77 °F).
Text adapted from Wikipedia, CC BY-SA 4.0.
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