Life Span
Perennial
Annual and Perennial
Type
Bulb or Corm or Tuber
Bulb or Corm or Tuber
Origin
Southeastern Asia
Central America, South America
Types
Amorphophallus yunnanensis , Amorphophallus titanum
Vine, Flowering plant
Number of Varieties
2005
0
40000
👆🏻
Habitat
Loamy soils, Well Drained
All sorts of environments, Along Railroads, Banks, Moist Ditches, Roadsides, rocky banks of streams
USDA Hardiness Zone
6-1110-13
0
99
👆🏻
AHS Heat Zone
12-10
12-1
Sunset Zone
21,22
21,22
Habit
Upright/Erect
Vining/Climbing
Plant Size
Minimum Height
150.00 cm15.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm15.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Purple, Burgundy
Purple, Rose
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
-
Purple, Dark Green, Black
Leaf Color in Summer
Light Green
Light Green
Leaf Color in Fall
Several shades of Green
Several shades of Green
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Pinnate
Acicular
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Very Fast
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Late Spring
Late Spring, Early Summer, Summer, Late Summer, Early Fall, Fall, Late Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings, Transplanting, Vegetative Reproduction
Cuttings, Leaf Cutting, Tuber propagation
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Do Not over Water
Keep the Soil well drained, Needs very little water
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Generally pruned to waist height, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
fertilize in growing season, organic fertlizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Nematodes, Root mealy bugs
Red blotch
Plant Tolerance
Dry soil, Full Sun, Shade areas
Drought
Flowers
Showy
Showy
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Bold
Coarse
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Aphids, Bugs, Butterflies
Aphids, Beetles, Cutworms, Insects, Mites, Whiteflies
Allergy
gastro-intestinal problems, Swelling in mouth
Abdominal pain, allergic reaction, Nausea, Skin rash, Twitching of face
Uses
Aesthetic Uses
-
-
Beauty Benefits
Glowing Skin, Maintains teeth healthy, Weightloss
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Food for animals, Food for birds, Very little waste
Air purification
Plant Benefits
Medicinal Uses
Asthma, Burns, Cough, Diabetes
Cures constipation, Fiber, Low calories, lowering blood pressure, Potassium, ß-carotene, Vitamin A, Vitamin C
Part of Plant Used
Bulbs, Leaves
Leaves, Root, Shoots, Stem, Tuber
Other Uses
Animal Feed, Can be made into a herbal tea, Cosmetics
Starch, Used As Food, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Edible, Feature Plant, Houseplant, Mixed Border, Tropical
Container, Edible, Groundcover, Hanging Basket, Herb / Vegetable, Mixed Border, Rock Garden / Wall, Vine
Botanical Name
AMORPHOPHALLUS konjac
IPOMOEA batatas 'Blackie'
Common Name
Devil's Tongue, Elephant Yam, Konjac
Blackie Sweet Potato Vine, Sweet Potato Vine
In Hindi
Konjac
शकरकन्द
In German
Teufelszunge
Süßkartoffel
In French
konjac
Patate douce
In Spanish
konjac
Ipomoea batatas
In Greek
Konjac
Sweet potato
In Portuguese
konjac
Batata-doce
In Polish
konjac
Wilec ziemniaczany
In Latin
Konjac
Ipomoea batatas
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Liliopsida
Magnoliopsida
Order
Arales
Solanales
Family
Araceae
Convolvulaceae
Genus
Amorphophallus
Ipomoea
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Thomsonieae
-
Subfamily
Aroideae
-
Number of Species
1500
1
27800
👆🏻