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Jasminanthes maingayi (Hook.f.) Rodda
| Family Name: | Apocynaceae |
| Synonyms: | Marsdenia maingayi, Stephanotis maingayi |
Jasminanthes maingayi is a rainforest climber with mildly fragrant, white trumpet-shaped flowers. The large and showy flowers turn from white to pale yellow and yellow-orange when mature, making this ornamental plant a great addition in streetscape. It has also been observed to be visited by butterflies for its nectar.
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Name
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| Species Summary |
Classifications and Characteristics
| Plant Division | Angiosperms (Flowering Seed Plants) |
| Plant Growth Form | Climber, Vine & Liana |
| Lifespan (in Singapore) | Perennial |
| Mode of Nutrition | Autotrophic |
Biogeography
| Native Distribution | Borneo, Peninsular Malaysia, Singapore |
| Native Habitat | Terrestrial (Primary Rainforest, Secondary Rainforest) |
| Preferred Climate Zone | Tropical |
| Local Conservation Status | Native to Singapore (Critically Endangered (CR)) |
Description and Ethnobotany
| Growth Form | A large twining woody climber that grows up to 10 m long. |
| Foliage | Leaves are elliptic to ovate, measuring about 9.5 - 11 cm long, and 5.5 - 5.8 cm wide. Leaf texture is thin papery (chartaceous), with cordate base and acute to acuminate leaf tip. Leaf venation is pinnate with short hairs on upper surface, and prominent hairs on lower surface. Petiole measures about 2 - 2.5 cm long and 1 - 1.5 mm wide, sparsely furry. |
| Stems | Stem is woody, twining and cylindrical, measuring 2 - 4 ( up to 5) mm wide. Stem is sparsely hairy when young, with usually smooth (glabrous) on the older parts. The older parts of stem are lenticellate. Stem has internodes of about 10 - 15.5 cm long. |
| Flowers | Mildly fragrant, large and showy white trumpet-shaped (salverform), resembling jasmine flower. 2 - 5 flowers are arranged in a cluster called raceme. Flowers turn from white to pale yellow to yellow-orange when mature. |
| Fruits | A single follicle, cylindrical-oblong shaped containing many ovate seeds. |
| Habitat | Grows high in the forest canopy in lowland primary forests and old secondary forests. |
| Associated Fauna | The flowers were observed to be visited by lepidopterans, Quedara monteithi monteithi , a dark-coloured skipper |
Landscaping Features
| Desirable Plant Features | Fragrant (Flowers), Ornamental Flowers |
| Plant & Rootzone Preference - Tolerance | Well-Drained Soils |
| Landscape Uses | Trellis / Arbour / Pergola |
Fauna, Pollination and Dispersal
| Fauna Pollination Dispersal Associated Fauna | Butterfly Food Plant (Flower Nectar) |
| Pollination Method(s) | Biotic (Fauna) (Insects (Butterfly, Moth)) |
Plant Care and Propagation
| Light Preference | Full Sun |
| Water Preference | Moderate Water |
| Plant Growth Rate | Moderate |
Foliar
| Foliage Retention | Evergreen |
| Mature Foliage Colour(s) | Green |
| Mature Foliage Texture(s) | Papery |
| Prominent Young Flush Colour(s) | Green |
| Young Flush Texture(s) | Papery |
| Foliar Type | Simple / Unifoliate |
| Foliar Arrangement Along Stem | Opposite |
| Foliar Attachment to Stem | Petiolate |
| Foliar Shape(s) | Non-Palm Foliage (Elliptical, Ovate) |
| Foliar Venation | Pinnate / Net |
| Foliar Margin | Entire - Wavy / Undulate |
| Foliar Apex - Tip | Acute, Acuminate |
| Foliar Base | Cordate |
Non - Foliar and Storage
| Stem Type & Modification | Woody |
| Root Type | Underground |
Floral (Angiosperm)
| Flower & Plant Sexuality 1 | Bisexual Flowers |
| Flower Colour(s) | White, Yellow / Golden, Orange |
| Flower Grouping | Cluster / Inflorescence |
| Flower Location | Axillary |
| Flower Symmetry | Radial |
| Individual Flower Shape | Salverform, Trumpet-shaped |
| Inflorescence Type | Raceme |
| Flower Transitional Changes | Colour |
| Flowering Habit | Polycarpic |
Fruit, Seed and Spore
| Mature Fruit Colour(s) - Angiosperms and Gymnosperms | Brown |
| Fruit Classification | Simple Fruit |
| Fruit Type 1 | Dehiscent Dry Fruit |
| Fruit Type 2 | Follicle |
| Mature Seed Colour(s) | Brown |
| Seed Description | Ovate-shaped, tufts of hair on the seed tip (coma), golden brown. |
| Seed Quantity Per Fruit | Numerous (>20) |
References
| References | Y.S. Yeoh , C.K. Yeo , W.F. Ang & Y.W. Low (2013) Marsdenia maingayi (Apocynaceae: Asclepiadoideae), a rare rainforest woody climber rediscovered in Singapore. Gardens’ Bulletin Singapore 65(2): 241–249. 2013 https://www.nparks.gov.sg/sbg/research/publications/gardens-bulletin-singapore/-/media/sbg/gardens-bulletin/gbs_65_02_y2013_v65_02/4-4-65-2-12-y2013-v65p2-gbs-pg-241.pdf (accessed on 29 Nov 2021) |
Image Repository
| Images |
Others
| Master ID | 30704 |
| Species ID | 5016 |
| 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. |