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Hoya callistophylla T.Green

Family Name: Apocynaceae
Semi-Shade Moderate Water Occasional Misting Hanging Basket Interiorscape / Indoor Plant Fragrant Ornamental Flowers Ornamental Foliage Epiphyte Herbaceous


Family Name
Genus Epithet
Species Epithet
Name Authority

Classifications and Characteristics

Plant Division Angiosperms (Flowering Seed Plants)
Plant Growth Form Epiphyte, Herbaceous Plant
Lifespan (in Singapore) Perennial
Mode of Nutrition Autotrophic


Native Distribution Borneo
Native Habitat Terrestrial
Preferred Climate Zone Tropical

Description and Ethnobotany

Growth Form A terrestrial to epiphytic climber, growing to 5 m long.
Foliage Petioles are usually 1 - 3 cm long and recurved. Leaf is elliptic to lanceolate, thick, measuring up to 25 cm long and 9 cm wide. Leaf blade has dark green pinnate venation, with irregular and rough margin.
Stems Glabrous, branching.
Flowers Flowers are 8 - 10 mm in diameter, with mild fragrance. Flowers are borne on clusters, 4 - 5 cm in diameter, with each cluster having 20 - 40 flowers, held by 1 -3 cm peduncle. Flowers are pale yellow to brownish gold to cream.
Fruits Fruits are linear, measuring up to 12 cm long.
Habitat Found in dipterocarp hill, heath forest, at 300 - 600 m but can be as high as 1000 m.
Etymology The genus Hoya means Thomas Hoy, a gardener at Sion House for the Duke of Northumberland, wax flower. The specific epithet callistophylla is from kallisto, meaning most beautiful, and phylum leaf, referring to the beautiful vein of leaves.

Landscaping Features

Desirable Plant Features Ornamental Flowers, Ornamental Foliage, Fragrant (Flowers)
Plant & Rootzone Preference - Tolerance Moist Soils, Well-Drained Soils, Fertile Loamy Soils, Easy to Grow
Landscape Uses Small Gardens, Interiorscape/ Indoor Plant, Container Planting, Hanging Basket
Thematic Landscaping Fragrant / Aromatherapy Garden
Usage Hazard - Cons Toxic Upon Ingestion
Usage Hazard - Cons Remarks Avoid contact with milky/ white sap as it may cause skin irritation in certain individuals. Keep plants away from children and pets as sap could be toxic.

Fauna, Pollination and Dispersal

Pollination Method(s) Biotic (Fauna)
Seed or Spore Dispersal Abiotic

Plant Care and Propagation

Light Preference Semi-Shade
Water Preference Moderate Water, Occasional Misting
Planting Remarks Use a well drained, porous potting mix/ blend suitable for epiphytic plants 
Pest(s) Sucking Insects
Propagation Method Stem Cutting


Foliage Retention Evergreen
Mature Foliage Colour(s) Green, Green - Light Green, Patterned
Mature Foliage Texture(s) Leathery, Thick
Foliar Type Simple / Unifoliate
Foliar Arrangement Along Stem Opposite
Foliar Attachment to Stem Petiolate
Foliar Shape(s) Non-Palm Foliage
Foliar Venation Pinnate / Net
Foliar Margin Entire - Wavy / Undulate

Floral (Angiosperm)

Flower Colour(s) Brown, Cream / Off-White, White, Yellow / Golden
Flower Texture(s) Waxy
Flower Grouping Cluster / Inflorescence
Flower Location Axillary
Flower Symmetry Radial
Individual Flower Shape Stellate / Star-shaped
Inflorescence Type Umbel
Flower Lifespan on Plant 1 Day

Image Repository



Master ID 32492
Species ID 6904
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: 20 August 2021.