Araceae
Giant taro
Alocasia macrorrhizos
- Family
- Araceae
- Genus
- Alocasia
Pets and kids
- CatsNot sure
- DogsNot sure
- KidsNot sure
Why
Cats: Not sure
We found no reliable source on this plant for cats, so we don't call it safe. Keep it out of reach until you have checked with your vet.
Dogs: Not sure
We found no reliable source on this plant for dogs, so we don't call it safe. Keep it out of reach until you have checked with your vet.
Kids: Not sure
We found no reliable source on this plant for young children, so we don't call it safe. Keep it out of reach until you have checked with a doctor or poison control.
Ate some? Call your vet or the ASPCA Animal Poison Control Center at (888) 426-4435 (a fee may apply). For a child, call Poison Help at 1-800-222-1222 (US). If they are struggling to breathe or collapse, call 911. Don't give anything by mouth unless a vet or poison expert tells you to.

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Common names
By language (24)
- ace
- Birah
- Arabic
- إلقس أذن الفيل
- arz
- القس اذن الفيل
- ban
- Keladi goak
- Bangla
- মানকচু
- bew
- Sèntè
- Cantonese
- 海芋
- Chinese
- 海芋, 蘭嶼姑婆芋, 大海芋, 热亚海芋, 野芋实, 鉛觀音蓮, 铅观音莲
- Dutch
- Alocasie
- English
- Giant taro, 'ape, Biga, Cunjevoi, Giant alocasia, Pia, Metallic taro
- Filipino
- Biga, Badiang
- German
- Riesenblättriges Pfeilblatt
- Indonesian
- Bira
- lzh
- 海芋
- Malagasy
- Saombia, Saonjobia
- Malay
- Birah negeri, Birah betul, Keladi gajah, Keladi sebaring, Keladi seberang
- Malayalam
- ആനച്ചേമ്പ്
- Polish
- Alokazja olbrzymia
- pwn
- Qaynguway, Qainguay
- Russian
- Алоказия крупнокорневищная, Алоказия горная, Алоказия свинцово-серая, Алоказия толстостебельная
- Tamil
- பெருஞ்சேம்பு
- Thai
- กระดาด
- Tongan
- Kape
- Vietnamese
- Ráy
Synonyms
- Alocasia cordifolia (Bory) Cordem.
- Alocasia gigas Chantrier ex André
- Alocasia grandis N.E.Br.
- Alocasia harrisiipulchrum Pynaert
- Alocasia indica Schott
- Alocasia insignis Pynaert
- Alocasia macrorrhizos var. variegata (K.Koch & C.D.Bouché) Furtado
- Alocasia marginata N.E.Br.
- Alocasia pallida K.Koch & C.D.Bouché
- Alocasia plumbea Van Houtte
- Alocasia rapiformis (Roxb.) Schott
- Alocasia uhinkii Engl. & K.Krause
- Arum cordifolium Bory
- Arum macrorrhizon L.
- Arum mucronatum Lam.
- Arum peregrinum L.
- Arum rapiforme Roxb.
- Caladium indica K.Koch
- Caladium macrorrhizon (L.) R.Br.
- Caladium metallicum Engl.
- Caladium odoratum G.Lodd.
- Caladium plumbeum K.Koch
- Calla badian Blanco
- Calla maxima Blanco
- Colocasia boryi Kunth
- Colocasia indica Hassk.
- Colocasia macrorrhizos (L.) Schott
- Colocasia mucronata (Lam.) Kunth
- Colocasia peregrina (L.) Raf.
- Colocasia rapiformis (Roxb.) Kunth
- Philodendron peregrinum (L.) Kunth
- Philodendron punctatum Kunth
Flowers
- In flower
- February to April, June to August, October (from 20 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Hawaii: introduced, Lower 48 states: introduced, Pacific Basin: introduced, Puerto Rico: introduced
Photos

FlowerPhoto: Dr. Alexey Yakovlev, CC BY 4.0, from iNaturalist 
FlowerPhoto: Cheng-Te Hsu, CC BY 4.0, from iNaturalist 
FlowerPhoto: Cheng-Te Hsu, CC BY 4.0, from iNaturalist 
Photo: Wikimedia Commons contributor, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Greg III Espera, CC BY 4.0, from iNaturalist 
Photo: Wikimedia Commons contributor, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Steven Bodzin, CC BY 4.0, from iNaturalist 
Photo: Wikimedia Commons contributor, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Thor-Rune Hansen, CC BY-SA 4.0, from iNaturalist 
Photo: David Monniaux, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Jakob Horz, CC BY 4.0, from iNaturalist 
Photo: Lijealso, CC BY 3.0, from Wikimedia Commons
More in Alocasia
- Night-scented lilyAlocasia odoraAraceae
- Sander's alocasiaAlocasia sanderianaAraceae
- Alocasia longilobaAraceae
- Chinese taroAlocasia cucullataAraceae
- Alocasia fornicataAraceae
- Alocasia sinuataAraceae
- Alocasia clypeolataAraceae
- Alocasia reginulaAraceae
- Alocasia wentiiAraceae
- Alocasia zebrinaAraceae
- Alocasia augustianaAraceae
- CunjevoiAlocasia brisbanensisAraceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0); common names from SimplePlant editors (2026-10-26, CC0 1.0). About our plant data.