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Strophanthus caudatus (L.) Kurz
Family Name: | Apocynaceae |
Synonyms: | Strophanthus dichotomus, Strophanthus griffithii, Strophanthus longicaudatus |
Common Name: | Tandok-tandok, Tanduk-tanduk, Dudur Kijang, 卵萼羊角拗 |
A climber of beautiful white star-shaped flowers with long twisting red tendrils coming from the end of each petal.
Name
Classifications and Characteristics
Plant Division | Angiosperms (Flowering Seed Plants) |
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Plant Growth Form | Climber, Shrub |
Lifespan (in Singapore) | Perennial |
Mode of Nutrition | Autotrophic |
Maximum Plant Spread / Crown Width | 12 m |
Biogeography
Native Distribution | Peninsular Malaysia and Singapore |
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Native Habitat | Terrestrial |
Preferred Climate Zone | Tropical |
Local Conservation Status | Native to Singapore (Endangered (EN)) |
Description and Ethnobotany
Growth Form | A trailing shrub to a woody climber that can grow up to 12 m long. |
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Foliage | Its opposite, shortly stalked leaves have thickly papery to leathery leaf blades that are elliptic-oblong or drop-shaped and measures 4.2 - 17.5 cm long, 1.5–7.5 cm across, with 6-12 pairs of veins. The leaf blade has acuminate to rounded leaf tip, and cuneate base. |
Stems | Its stems are about 2 cm in diameter. Its bark is dark and dotted with many lenticels. |
Flowers | Flowers grow in axillary, stalked, few-flowered clusters. Its calyx lobes are egg-shaped, and 0.6 cm wide, with long narrow tails. Its corolla-tube is white and 1.3 cm long with purplish-red lobes with white and yellow in the centre. |
Fruit | Its fruit are large and woody, green, oblong-shaped, and about 10-30 cm long, 1.9-4.8 cm in diameter. It has small grain-like seeds. |
Habitat | It grows in lowland forest, sometimes in swampy forest. |
Associated Fauna | It is the preferred local food plant for caterpillars of the butterfly Euploea camaralzeman species. |
Etymology | Greek Strophanthus means twisted flowers; Latin caudatus means tailed. |
Landscaping Features
Desirable Plant Features | Ornamental Flowers |
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Fauna, Pollination and Dispersal
Fauna Pollination Dispersal Associated Fauna | Butterfly Host Plant |
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Plant Care and Propagation
Light Preference | Full Sun, Semi-Shade |
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Water Preference | Moderate Water |
Foliar
Foliage Retention | Evergreen |
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Mature Foliage Colour(s) | Green |
Mature Foliage Texture(s) | Glossy / Shiny, Leathery |
Foliar Attachment to Stem | Petiolate |
Foliar Shape(s) | |
Foliar Venation | Pinnate / Net |
Foliar Margin | Entire - Wavy / Undulate |
Foliar Apex - Tip | Acuminate |
Foliar Base | Cuneate |
Floral (Angiosperm)
Flower Colour(s) | Red, White |
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Fruit, Seed and Spore
Mature Fruit Colour(s) | Green |
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Image Repository
Others
Master ID | 33715 |
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Species ID | 8129 |
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. |