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Ipomoea batatas 'Black Heart'


Ipomoea batatas 'Black Heart'

Family Name: Convolvulaceae
Common Name: Black Heart Sweet Potato Vine, Ornamental Sweet Potato, 甘薯藤


Family Name
Genus Epithet
Species Epithet
Infraspecific Epithet
Name Status (botanical)
Common Names

Classifications and Characteristics

Plant Division Angiosperms (Flowering Seed Plants) (Dicotyledon)
Plant Growth Form Climber
Lifespan (in Singapore) Perennial
Mode of Nutrition Autotrophic
Maximum Height 0.2 m to 0.3 m
Maximum Plant Spread / Crown Width 1.2 m to 1.5 m


Native Distribution Of horticultural origin
Native Habitat Terrestrial
Preferred Climate Zone Tropical, Sub-Tropical / Monsoonal
Local Conservation Status Non-native (Horticultural / Cultivated Only)

Description and Ethnobotany

Growth Form Trailing herbaceous vine up to 0.3 m high and 1.8 m long.
Roots The roots are edible, but not typically eaten.
Foliage The dark reddish purple to black leaves are heart-shaped. 
Flowers The funnel-shaped flowers are pink to purple. In Singapore, this cultivar seldom flowers.
Cultivation This easy-to-grow, fast-growing cultivar is best planted in well-drained soil that is kept moist. 

Landscaping Features

Desirable Plant Features Ornamental Foliage
Landscape Uses General, Parks & Gardens, Flowerbed / Border, Groundcover, Container Planting, Suitable for Hanging Baskets

Plant Care and Propagation

Light Preference Full Sun, Semi-Shade
Water Preference Lots of Water
Plant Growth Rate Fast
Rootzone Tolerance Well-Drained Soils, Fertile Loamy Soils, Easy to Grow
Propagation Method Stem Cutting, Storage Organ (Tuberous Root)


Foliage Retention Evergreen
Mature Foliage Colour(s) Purple, Black
Mature Foliage Texture(s) Smooth, Thin
Prominent Young Flush Colour(s) Purple
Foliar Type Simple / Unifoliate
Foliar Arrangement Along Stem Spiral
Foliar Attachment to Stem Petiolate
Foliar Shape(s) Non-Palm Foliage (Cordate)
Foliar Venation Pinnate / Net
Foliar Margin Entire
Foliar Apex - Tip Acute
Foliar Base Cordate
Leaf Area Index (LAI) for Green Plot Ratio 4.5 (Shrub & Groundcover - Dicot)
Mature Foliage Colour(s) Remarks Dark Green

Floral (Angiosperm)

Flower Colour(s) Pink, Purple
Flower Grouping Solitary
Flower Location Axillary
Flower Symmetry Radial
Individual Flower Shape Funnelform / Funnel-shaped

Image Repository



Master ID 129
Species ID 1425
Flora Disclaimer The information in this website has been compiled from reliable sources, such as reference works on medicinal plants. It is not a substitute for medical advice or treatment and NParks does not purport to provide any medical advice. Readers should always consult his/her physician before using or consuming a plant for medicinal purposes.
Species record last updated on: 19 August 2021.