Life Span
Perennial
Annual
Type
Tree
Tender Perennial
Origin
Central Asia, India, Nepal
-
Types
White oak, Bluff oak, Muller oak
Alocasia macrorhizzos, Alocasia odora
Number of Varieties
600-
0
40000
👆🏻
Habitat
Clay soil areas, Dry areas, Sandy areas
Pastures, Wet forest
USDA Hardiness Zone
6-910-12
0
99
👆🏻
AHS Heat Zone
7-5
12-8
Sunset Zone
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
H1, H2, 22, 23, 24
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
2,286.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
1,219.20 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
White
Flower Color Modifier
Bicolor
-
Fruit Color
Sandy Brown, Sienna
Red
Leaf Color in Spring
Green, Light Green, Gray
Lime Green, Dark Green, Bronze
Leaf Color in Summer
Green, Gray
Lime Green, Dark Green, Bronze
Leaf Color in Fall
Green, Dark Green, Gray
Green, Lime Green, Dark Green, Bronze
Leaf Color in Winter
Dark Green, Gray
Lime Green, Dark Green, Bronze
Shape
Leaf Shape
broad, flat
V-Shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial shade, Full Shade
Growth Rate
Medium
Fast
Type of Soil
Loam
Loam
The pH of Soil
Acidic
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Spring
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings, Transplanting
creeping rhizomes, Vegetative Reproduction
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Needs a lot of water initially
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic
Acidic, Neutral
Soil Type
Loam
Loam
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Partial shade, Full Shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
since leafy plants, use higher nitrogen content fertilizer, slow-release fertilizers
Pests and Diseases
Red blotch
Alternaria Leaf Spot, Leaf rust, Leaf spot, Snails
Plant Tolerance
Drought
Full Sun, Humidity, Soil Compaction
Flowers
✔
✘
✔
✘
Flower Petal Number
-
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Bold
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Butterflies, pollinators, Snakes
Allergy
Pollen
conjunctivitis, Itchy eyes, Sore Throat, Vomiting
Uses
Aesthetic Uses
Showy Purposes
Beautification, Cottage Garden, Showy Purposes
Beauty Benefits
-
Glowing Skin, Hair Conditioner
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Absorbs huge amounts of CO2, soil stabilisation, Very little waste
Plant Benefits
Medicinal Uses
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
Aging, Digestion problems, Rheumatism
Part of Plant Used
Leaves, Seeds, Wood
Leaves, Rhizomes
Other Uses
Used as firewood, used for making charcoal
Application in Handicrafts, Florist trade and landscaping, Showy Purposes
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Container, Feature Plant, Houseplant, Mixed Border, Tropical
Botanical Name
QUERCUS leucotrichophora
ALOCASIA x amazonica
Common Name
Banj Oak, Blackjack Oak, Himalayan Oak
African Mask, Amazon Taro, Elephant Ear
In Hindi
Blackjack Oak Tree
Alocasia
In German
Blackjack Oak Tree
Alocasia
In French
Blackjack Oak Tree
Alocasia
In Spanish
Blackjack Oak Tree
Alocasia
In Greek
Blackjack Oak Tree
Alocasia
In Portuguese
Blackjack Carvalho
Alocasia
In Polish
Blackjack Oak Tree
Alocasia
In Latin
Blackjack quercum ligno
Alocasia
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Arales
Family
Fagaceae
Araceae
Genus
Quercus
Alocasia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
Colocasiodeae
Subfamily
-
Aroideae
Number of Species
60-
1
27800
👆🏻