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Tecoma stans


Tecoma stans (L.) Juss. ex Kunth

Family Name: Bignoniaceae
Synonyms: Bignonia stans L. 
Common Name: Golden Bells, Yellow Bells, Yellow Bignonia, Trumpet Tree, Ramat Emas, Yellow Trumpet Flowers, Yellow Elder


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

Classifications and Characteristics

Plant Division Angiosperms (Flowering Seed Plants) (Dicotyledon)
Plant Growth Form Shrub, Tree
Lifespan (in Singapore) Perennial
Mode of Nutrition Autotrophic
Plant Shape Irregular
Maximum Height 10 m


Native Distribution West Indies, Mexico to Peru
Native Habitat Terrestrial
Preferred Climate Zone Tropical, Sub-Tropical / Monsoonal
Local Conservation Status Non-native (Horticultural / Cultivated Only)

Description and Ethnobotany

Growth Form It is a shrub or small tree, up to 10 m tall.
Foliage Its opposite, stalked, compound leaves are pinnate, bearing 3-7 elliptic to elliptic-ovate leaflets with toothed margins.
Flowers Its fragrant, bright yellow tubular flowers are borne on a short, upright, terminal inflorescence. Each flower measures about 3 cm long.
Fruit Its fruits are elongated and flattened, measuring up to 30 cm long and 2 cm wide. The fruits matures from green to brown and split open to release numerous seeds which are papery and winged. The seeds are flat, and oblong in shape, measuring up to 8 mm long and about 4 mm wide. Together with the wings, they are about 2 cm long and 0.8 mm wide. 
Associated Fauna Its flowers are known to attract bees, butterflies and sunbirds for its nectar.
Cultivation It can be propagated by seed.
Etymology Latin Tecoma, from Mexican name of the plant, tecomaxochitl. Latin stans, self-supporting, upright, erect, standing, referring to the upright inflorescence.
Ethnobotanical Uses Medicinal: Its primary applications have been in treating diabetes and digestive problems. Extracts from Tecoma stans leaves have been found to inhibit the growth of the yeast infection, Candida albicans.

Landscaping Features

Landscaping It is suitable for roadsides, parks and gardens for its fragrant and attractive bright yellow flowers.
Desirable Plant Features Ornamental Flowers, Fragrant (Flowers) (Day)
Landscape Uses General, Flowerbed / Border, Hedge / Screening, Parks & Gardens, Small Gardens
Thematic Landscaping Golden Garden, Fragrant / Aromatherapy Garden

Fauna, Pollination and Dispersal

Fauna Pollination Dispersal Associated Fauna Bird-Attracting (Flowers), Butterfly-Attracting (Flower Nectar), Bee-Attracting
Pollination Method(s) Biotic (Fauna)
Seed or Spore Dispersal Abiotic

Plant Care and Propagation

Light Preference Full Sun
Water Preference Moderate Water
Plant Growth Rate Moderate
Rootzone Tolerance Well-Drained Soils, Drought Tolerant, Moist Soils, Fertile Loamy Soils
Propagation Method Seed


Foliage Retention Evergreen
Mature Foliage Colour(s) Green
Mature Foliage Texture(s) Leathery
Foliar Type Compound (Odd-Pinnate)
Foliar Arrangement Along Stem Opposite
Foliar Shape(s) Non-Palm Foliage
Foliar Venation Pinnate / Net
Foliar Margin Serrate / Toothed
Leaf Area Index (LAI) for Green Plot Ratio 4.5 (Shrub & Groundcover - Dicot)

Floral (Angiosperm)

Flower & Plant Sexuality Bisexual Flowers
Flower Colour(s) Yellow / Golden
Flower Grouping Cluster / Inflorescence
Flower Location Terminal
Flower Symmetry Bilateral
Individual Flower Shape Campaulate / Bell-shaped, Tubular
Flower Size - Remarks 2.5-5.1 cm
Flowering Habit Polycarpic

Fruit, Seed and Spore

Mature Fruit Colour(s) Brown
Fruit Classification Simple Fruit
Fruit Type Dehiscent Dry Fruit , Capsule

Image Repository



Master ID 1884
Species ID 3177
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: 21 June 2024.