Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
Central Asia, India, Nepal
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Canada
Types
White oak, Bluff oak, Muller oak
Amorphophallus konjac
Number of Varieties
6003
0
40000
👆🏻
Habitat
Clay soil areas, Dry areas, Sandy areas
Mountain Slopes, subtropical regions, Tropical Climate, Warmer regions
USDA Hardiness Zone
6-94-9
0
99
👆🏻
AHS Heat Zone
7-5
9-1
Sunset Zone
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
-
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
2,286.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
1,219.20 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Yellow, Orange
Flower Color Modifier
Bicolor
-
Fruit Color
Sandy Brown, Sienna
-
Leaf Color in Spring
Green, Light Green, Gray
Green
Leaf Color in Summer
Green, Gray
Green
Leaf Color in Fall
Green, Dark Green, Gray
Green
Leaf Color in Winter
Dark Green, Gray
Green, Purple
Shape
Leaf Shape
broad, flat
bipinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Fast
Type of Soil
Loam
Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Spring, Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Salt
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings, Transplanting
Seedlings, Tuber propagation, Tubers
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Requires plenty of water during the growing season, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic
Acidic, Neutral, Alkaline
Soil Type
Loam
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial 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
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Aphids, Birds
Plant Tolerance
Drought
Drought
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds
Allergy
Pollen
Diarrhea, Excessive flatus, gastro-intestinal problems
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Air purification
Plant Benefits
Medicinal Uses
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
Boils, bowel syndrome, cholesterol-lowering, Colic, Digestive, Fiber, Low calories, Piles, Stimulates new cell growth, Weight management and satiety
Part of Plant Used
Leaves, Seeds, Wood
Corms, Fibre, Root, Seeds, Tuber
Other Uses
Used as firewood, used for making charcoal
Traditional medicine, Used like flour
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Container, Edible, Feature Plant, Groundcover, Mixed Border, Rock Garden, Wall, Wildflower
Botanical Name
QUERCUS leucotrichophora
OPUNTIA humifusa
Common Name
Banj Oak, Blackjack Oak, Himalayan Oak
voodoo lily, snake palm, elephant yam
In Hindi
Blackjack Oak Tree
Konjac
In German
Blackjack Oak Tree
Teufelszunge
In French
Blackjack Oak Tree
Amorphophallus konjac
In Spanish
Blackjack Oak Tree
Amorphophallus konjac
In Greek
Blackjack Oak Tree
Konjac
In Portuguese
Blackjack Carvalho
Amorphophallus konjac
In Polish
Blackjack Oak Tree
konjac
In Latin
Blackjack quercum ligno
Konjac
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Alismatales
Family
Fagaceae
Araceae
Genus
Quercus
Amorphophallus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
Thomsonieae
Subfamily
-
Aroideae
Number of Species
6030
1
27800
👆🏻