Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Canada
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Types
Amorphophallus konjac
-
Number of Varieties
33
0
40000
👆🏻
Habitat
Mountain Slopes, subtropical regions, Tropical Climate, Warmer regions
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
USDA Hardiness Zone
4-94-9
0
99
👆🏻
AHS Heat Zone
9-1
9-1
Sunset Zone
-
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
10.20 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Orange
Yellow, Brown
Flower Color Modifier
-
Bicolor
Fruit Color
-
Black
Leaf Color in Spring
Green
Green, Light Green
Leaf Color in Summer
Green
Green, Light Green
Leaf Color in Fall
Green
Yellow, Light Yellow, Tan
Leaf Color in Winter
Green, Purple
-
Shape
Leaf Shape
bipinnate
Oval with a pointed tip and fine teeth along their edges
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Spring, Late Spring, Early Summer, Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
Wet Site, Pollution, Soil Compaction
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings, Tuber propagation, Tubers
Seedlings
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Requires plenty of water during the growing season, Requires regular watering
Requires a lot of watering, 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, Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune in the late winter or spring, Remove dead or diseased plant parts, Shape and thin as needed
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, No need to fertilize every year
Pests and Diseases
Aphids, Birds
Aphids, Red blotch, Sawfly Larvae
Plant Tolerance
Drought
Pollution, Soil Compaction, Wet Site
Flowers
Showy
Showy
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
Bold
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
-
Allergy
Diarrhea, Excessive flatus, gastro-intestinal problems
Asthma
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Erosion control, Wildlife
Plant Benefits
Medicinal Uses
Boils, bowel syndrome, cholesterol-lowering, Colic, Digestive, Fiber, Low calories, Piles, Stimulates new cell growth, Weight management and satiety
-
Part of Plant Used
Corms, Fibre, Root, Seeds, Tuber
Whole plant
Other Uses
Traditional medicine, Used like flour
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Edible, Feature Plant, Groundcover, Mixed Border, Rock Garden, Wall, Wildflower
Feature Plant, Shade Trees
Botanical Name
OPUNTIA humifusa
BETULA nigra
Common Name
voodoo lily, snake palm, elephant yam
River Birch
In Hindi
Konjac
River Birch
In German
Teufelszunge
Fluss Birch
In French
Amorphophallus konjac
Birch river
In Spanish
Amorphophallus konjac
river Birch
In Greek
Konjac
ποταμός Birch
In Portuguese
Amorphophallus konjac
river Birch
In Polish
konjac
Rzeka Birch
In Latin
Konjac
Betula
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Alismatales
Fagales
Family
Araceae
Betulaceae
Genus
Amorphophallus
Betula
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Thomsonieae
-
Subfamily
Aroideae
-
Number of Species
303
1
27800
👆🏻