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Ludwigia adscendens (L.) H. Hara
| Family Name: | Onagraceae |
| Common Name: | Water Primrose, Tinggir Bangau, Inai Pasir, Buang Buang, 水龙 |
Name
Classifications and Characteristics
| Plant Division | Angiosperms (Flowering Seed Plants) |
|---|---|
| Plant Growth Form | Aquatic & Hydrophyte (Waterside / Marginal), Herbaceous Plant, Creeper |
| Lifespan (in Singapore) | Perennial |
| Mode of Nutrition | Autotrophic |
Biogeography
| Native Distribution | Continental Asia, Sri Lanka, South China, South-East Asia to North Australia. |
|---|---|
| Native Habitat | Aquatic |
| Local Conservation Status | Cryptogenic |
Description and Ethnobotany
| Growth Form | A herbaceous, perennial aquatic creeper, it has an ascending or prostrate growth form. |
|---|---|
| Roots | Roots form at the leaf nodes. |
| Foliage | The alternately arranged leaves are obovate to oblanceolate (1.3 - 7.6 cm long) .with an entire margin and an acute to obtuse apex. The mid-vein and sub-veins are white in colour. |
| Stems | The stems have a branching growth habit and root at the nodes. |
| Flowers | The bisexual flowers are borne in the leaf axils and consist of 5 sepals and 5 white obovate petals with a yellow base. |
| Fruit | Dry, dehiscent fruits are known as capsules. The capsules are cylindrical (1.3 - 3.8 cm long). |
| Habitat | It is found growing in wet swampy areas such as flooded rice paddies, ditches and swamps from sea level to 1600m in altitude. |
| Cultivation | If grown under dry conditions, plants will develop small crowded leaves and flower rarely. |
Landscaping Features
| Desirable Plant Features | Ornamental Flowers |
|---|---|
| Landscape Uses | Parks & Gardens, Pond / Lake / River, Marsh / Bog |
| Thematic Landscaping | Water Garden |
Plant Care and Propagation
| Light Preference | Full Sun |
|---|---|
| Water Preference | Lots of Water |
| Rootzone Tolerance | Waterlogged Soils |
| Propagation Method | Seed |
Foliar
| Foliage Retention | Evergreen |
|---|---|
| Mature Foliage Colour(s) | Green |
| Foliar Type | Simple / Unifoliate |
| Foliar Arrangement Along Stem | Alternate |
| Foliar Venation | Pinnate / Net |
| Foliar Margin | Entire |
| Foliar Apex - Tip | Acute, Obtuse |
Floral (Angiosperm)
| Flower & Plant Sexuality | Bisexual Flowers |
| Flower Colour(s) | Cream / Off-White, Yellow / Golden |
|---|---|
| Flower Grouping | Solitary |
| Flower Location | Axillary |
Fruit, Seed and Spore
| Fruit Classification | Simple Fruit |
|---|---|
| Fruit Type | Dehiscent Dry Fruit , Capsule |
Image Repository
Others
| Master ID | 30842 |
|---|---|
| Species ID | 5212 |
