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Houseplant

Alocasia macrorrhizos

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Botanical fact sheet

Alocasia macrorrhizos (L.) G.Don

⚙ Automatic base data
Taxonomy
Family: Araceae · Genus: Alocasia1
Native distribution
Caribbean, North America, Oceania, Southern Asia, Bismarck Archipelago, Borneo, Maluku, New Guinea, Philippines, Queensland, Solomon Is., Sulawesiuncertain3
Synonyms
30 synonyms
  • Alocasia cordifolia (Bory) Cordem.
  • Alocasia gigas Chantrier
  • Alocasia gigas Chantrier ex André
  • Alocasia grandis N.E.Br.
  • Alocasia harrisii-pulchrum Pynaert
  • Alocasia indica diversifolia Engl.
  • Alocasia indica heterophylla Engl.
  • Alocasia indica metallica (Schott) Schott
  • Alocasia indica rubra (Hassk.) Engl.
  • Alocasia indica typica Engl.
  • Alocasia indica metallica Schott ex Engl., 1879
  • Alocasia indica violacea Engl., 1920
  • Alocasia insignis Pynaert
  • Alocasia macrorrhiza (L.) Schott
  • Alocasia macrorrhizos (L.) Schott
  • Alocasia macrorrhizos rubra (Hassk.) 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 indicum K.Koch
  • Caladium macrorrhizon (L.) R.Br.
  • Caladium metallicum Engl.
  • Caladium odoratum G.Lodd.
2

Still missing: plant type, natural habitat, height / growth form, flowering period, growth & dormancy period.

Sources (7)
  1. GBIF Backbone Taxonomy – Alocasia macrorrhizos · Scientific name · CC BY 4.0
  2. GBIF – synonyms · Synonyms · CC BY 4.0
  3. GBIF – distributions (Integrated Taxonomic Information System (ITIS); Catalogue of Life; The World Checklist of Vascular Plants (WCVP)) · Native distribution · CC BY 4.0
  4. Wikidata – Q1484310 · CC0
  5. Wikimedia Commons – AlocasiaMacrorrhizaFlower.jpg · CC BY-SA 3.0
  6. Wikipedia (de) – Riesenblättriges Pfeilblatt · CC BY-SA 4.0
  7. Wikipedia (en) – Alocasia macrorrhizos · CC BY-SA 4.0
Community knowledge

Tips & experience from members

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Real data

How members water it

Not enough logs yet: at least 3 plants with regular watering logs are needed (now: 0). Waterings logged in Care feed this – anonymised and aggregated.

Care guidelines

How it thrives

Partly general data for the genus Alocasia
Watermedium
Lightbright indirect
Humidityhighgeneral genus data
Min. temperature15 °C
No dormancy · general genus dataDifficulty: ●●●○○ · general genus data⚠ May be toxic to pets / people · general genus data

No monthly schedule is shown because cultivar-/species-level data is not yet sufficient. The general values above are guidance only.

Alocasia tip: It often drops leaves in winter – that is rest, not death; water less then.

⚠ Pets & children · genus Alocasia
Cat moderateDog moderateHorse moderatePet bird moderateRabbit, rodent moderateCattle moderateSheep, goat moderatePig moderatePoultry moderateTortoise, herbivorous reptile moderateHuman (child) moderatedetails →
At a glance

Alocasia macrorrhizos – what to know

Alocasia macrorrhizos – family: Araceae, genus: Alocasia. Native range: Caribbean, North America, Oceania, Southern Asia, Bismarck Archipelago, Borneo, Maluku, New Guinea, Philippines, Queensland, Solomon Is., Sulawesi. Care guidelines: light: bright indirect; water: medium; min. 15 °C. For cats: moderately toxic; for dogs: moderately toxic. Keep it out of reach and call a vet straight away if you suspect poisoning.

Frequently asked questions

How often should I water Alocasia macrorrhizos?

Moderately: water when the top 2–3 cm of soil is dry, and never let it sit in standing water.

How much light does Alocasia macrorrhizos need?

It likes bright but indirect light, such as near an east- or west-facing window.

How cold can Alocasia macrorrhizos get?

Keep it above 15 °C – it is frost-tender and needs a frost-free spot in winter.

Is Alocasia macrorrhizos toxic to cats and dogs?

For cats: moderately toxic; for dogs: moderately toxic. Keep it out of reach and call a vet straight away if you suspect poisoning.

Community intelligence

What members’ data shows

When does it really bloom?

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Average watering interval

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Questions about this species

Same genus

Alocasia

Data sources: GBIF.org – Alocasia macrorrhizos (CC BY 4.0) · Wikidata – Q1484310 (CC0) · Wikimedia Commons – AlocasiaMacrorrhizaFlower.jpg (CC BY-SA 3.0) · Wikipedia – Riesenblättriges Pfeilblatt (CC BY-SA 4.0) · Care data is for guidance only.

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