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Argyreia collinsiae
| Family Name: | Convolvulaceae |
| Common Name: | Kradung Chaang, Elephant Morning Glory |
Name
Classifications and Characteristics
| Plant Division | Angiosperms (Flowering Seed Plants) (Dicotyledon) |
|---|---|
| Plant Growth Form | Climber |
| Lifespan (in Singapore) | Perennial |
| Mode of Nutrition | Autotrophic |
| Maximum Height | 9 m to 15 m |
Biogeography
| Native Distribution | Thailand, Cambodia, Vietnam. |
|---|---|
| Native Habitat | Terrestrial |
Description and Ethnobotany
| Growth Form | It is a woody climber, with stems growing up to 15 m long and whitish fine hairs. |
|---|---|
| Foliage | Leaves are cordate (heart-shaped) to round, with cordate base and acute apex, paper-like texture, and petioles are covered in rough, coarse hairs (hirsute). |
| Flowers | Flowers are borne in groups of 3 - 5 and called as cymes, hanging loosely (pendulous). Bracts are elliptic-oblong, reddish-green with acute apex. Each flower has almost equal sepals, glabrous (hairless), the outer 2 sepals are ovate (egg-shaped) and measuring about 9 - 11 mm with obtuse apex, while the 3 inner sepals are cordate (heart-shaped) with rounded apex. The corolla (petals) are bell-shaped, measuring 2.5 - 4.5 cm long, with waxy and glabrous texture, white on outside while magenta colour on the inside. |
| Fruit | The berries are about 13 mm in diameter, dark red and enclosed by enlarged calyx (sepals). The 4 seeds are dark brown and hairless, measuring about 12 mm long. |
| Habitat | Used to be found in coastal forests and mangrove areas. They are currently found in secondary vegetation and scrubs, roadsides, rice fields, and often on the limestone terrain or soil with silt, at and altitude of 0 - 300 m. |
| Taxonomy | Argyreia collinsiae is the corrected version of the historical spelling Argyreia collinsae. |
| Etymology | The genus Argyreia means silvery-one, which refers to the silvery leaf appearances. The specific epithet collinsae is named after Emily Collins, an English botanist and plant specimens collector in Thailand. |
Landscaping Features
| Desirable Plant Features | Ornamental Flowers, Ornamental Foliage |
|---|---|
| Landscape Uses | General, Parks & Gardens, Trellis / Arbour / Pergola |
Fauna, Pollination and Dispersal
| Fauna Pollination Dispersal Associated Fauna | Bird-Attracting, Bee-Attracting |
|---|---|
| Pollination Method(s) | Biotic (Fauna) |
Plant Care and Propagation
| Light Preference | Full Sun |
|---|---|
| Water Preference | Moderate Water, Little Water |
| Rootzone Tolerance | Well-Drained Soils, Fertile Loamy Soils |
| Propagation Method | Seed, Stem Cutting |
Foliar
| Foliage Retention | Evergreen |
|---|---|
| Mature Foliage Colour(s) | Green |
| Mature Foliage Texture(s) | Papery |
| Prominent Young Flush Colour(s) | Green |
| Foliar Type | Simple / Unifoliate |
| Foliar Arrangement Along Stem | Alternate |
| 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 |
Floral (Angiosperm)
| Flower Texture(s) | Waxy |
|---|---|
| Flower Grouping | Cluster / Inflorescence |
| Individual Flower Shape | Campaulate / Bell-shaped |
| Inflorescence Type | Cyme |
| Flowering Period | Free-Flowering |
| Flower Lifespan on Plant | Several Days |
| Flower Colour(s) Remarks | magenta |
Fruit, Seed and Spore
| Mature Fruit Colour(s) | Red |
|---|---|
| Fruit Classification | Simple Fruit |
| Fruit Type | Fleshy Fruit , Non-Accessory Fruit |
| Mature Seed Colour(s) | Brown |
| Mature Seed Texture(s) | Smooth |
| Seed Quantity Per Fruit | Few (1-5) |
Image Repository
Others
| Master ID | 33003 |
|---|---|
| Species ID | 7417 |
| 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. |
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