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Ludwigia octovalvis (Jacq.) P.H. Raven
| Family Name: | Onagraceae |
| Common Name: | Mexican Primrose Willow, Primrose Willow |
Name
Classifications and Characteristics
| Plant Division | Angiosperms (Flowering Seed Plants) |
|---|---|
| Plant Growth Form | Aquatic & Hydrophyte, Herbaceous Plant |
| Lifespan (in Singapore) | Perennial |
| Mode of Nutrition | Autotrophic |
Biogeography
| Native Distribution | Pantropical |
|---|---|
| Local Conservation Status | Cryptogenic |
Description and Ethnobotany
| Growth Form | A herbaceous shrub, it can grow up to 2m tall and has a branched growth form. |
|---|---|
| Foliage | Leaves are hirstute, long and narrow with sunken venation and a reddish to pale midrib. |
| Stems | The stems grow up to 1cm in diameter and are hirstute and ribbed. |
| Flowers | The flower is composed of 4 obovate petals (0.2 - 0.4 cm long) arranged in a cross-like pattern. The tip of the petal is sometimes folded down, forming a large notch-like indentation. The petals have distinct sunken venation which creates a rippled surface. |
| Fruit | The fruit is a capsule about 2 to 4.5cm long with persistent sepals at the apex of the fruit, it splits into 8 linear lobes, releasing wedge-shaped seeds dispersed by water. |
| Habitat | It is found growing in areas with a dry and wet season along riverbanks, wet pastures and marshes. |
Landscaping Features
| Landscape Uses | Parks & Gardens, Riverine |
|---|
Plant Care and Propagation
| Light Preference | Full Sun |
|---|---|
| Water Preference | Lots of Water |
| Rootzone Tolerance | Moist Soils |
| Propagation Method | Seed |
Foliar
| Foliage Retention | Evergreen |
|---|---|
| Mature Foliage Colour(s) | Green |
| Mature Foliage Texture(s) | Hairy / Hirsute |
| Foliar Type | Simple / Unifoliate |
| Foliar Arrangement Along Stem | Alternate |
| Foliar Attachment to Stem | Petiolate |
| Foliar Venation | Pinnate / Net |
Floral (Angiosperm)
| Flower & Plant Sexuality | Bisexual Flowers |
| Flower Colour(s) | Yellow / Golden |
|---|---|
| Flower Grouping | Solitary |
| Flower Location | Axillary |
Image Repository
Others
| Master ID | 30553 |
|---|---|
| Species ID | 4862 |
| 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. |
