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Allamanda oenotherifolia 'Silver'
| Family Name: | Apocynaceae |
| Common Name: | Golden Trumpet Bush, Bush Allamanda |
Name
Classifications and Characteristics
| Plant Division | Angiosperms (Flowering Seed Plants) |
|---|---|
| Plant Growth Form | Climber, Shrub |
| Lifespan (in Singapore) | Perennial |
| Mode of Nutrition | Autotrophic |
Biogeography
| Native Distribution | Tropical America |
|---|---|
| Native Habitat | Terrestrial |
| Local Conservation Status | Non-native |
Description and Ethnobotany
| Growth Form | It is an evergreen shrub that grows up to 2.5 m height with many branches. |
|---|---|
| Foliage | Silver-coloured leaves are elliptic in shape. Young leaves are slightly folded in a boat-like shape. |
| Flowers | Bright yellow, trumpet-shaped flowers occurs singly or in pairs near the stem tips. The floral tube is narrow at the base, expanding to form a wide throat near the 5 egg-shaped lobes. |
| Fruit | The fruit is a large seedpod that turns brown at maturity. The fruit opens to expose many flat seeds. |
| Similar | This species is similar to the common Allamanda oenotheraefolia, but its leaves are silvery and the flower lobes are much narrower. |
| Taxonomy | The historical spelling of Allamanda oenotheraefolia has been corrected to Allamanda oenotherifolia. |
| Cultivation | Grow under sun with rich, well-drained soil. It can be pruned to shape and adaptable to bonsai pruning. |
| Etymology | The genus Allamanda is named after Jean Allamand, an 18th century Dutch naturalist who is a specialist in the flora of Brazil. The specific epithet oenotherifolia comes from Oenothera which is a group of plants collectively known as evening primrose, and folium meaning leaf, which refers to the similarity of Allamanda foliage to the evening primrose. The cultivar is referring to the leaf colour. |
Landscaping Features
| Desirable Plant Features | Ornamental Flowers, Ornamental Foliage |
|---|---|
| Landscape Uses | General, Parks & Gardens, Small Gardens, Container Planting, Suitable for Bonsai |
| Thematic Landscaping | Silver Garden |
Plant Care and Propagation
| Light Preference | Full Sun |
|---|---|
| Water Preference | Moderate Water |
| Plant Growth Rate | Moderate |
| Rootzone Tolerance | Moist Soils, Well-Drained Soils |
Foliar
| Foliage Retention | Evergreen |
|---|---|
| Mature Foliage Colour(s) | Silver / Grey |
| Mature Foliage Texture(s) | Leathery |
| Foliar Type | Simple / Unifoliate |
| Foliar Arrangement Along Stem | Whorled |
| Foliar Attachment to Stem | Sessile |
| Foliar Shape(s) | Non-Palm Foliage (Elliptical) |
| Foliar Venation | Pinnate / Net |
| Foliar Margin | Entire |
| Foliar Apex - Tip | Acuminate |
| Foliar Base | Acute |
Floral (Angiosperm)
| Flower & Plant Sexuality | Bisexual Flowers |
| Flower Colour(s) | Yellow / Golden |
|---|---|
| Flower Texture(s) | Smooth |
| Flower Grouping | Cluster / Inflorescence |
| Flower Location | Axillary, Terminal |
| Flower Symmetry | Radial |
| Individual Flower Shape | Trumpet-shaped |
| Flowering Period | Free-Flowering |
Image Repository
Others
| Master ID | 13 |
|---|---|
| Species ID | 1309 |
| 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. |
