Strophanthus gratus

Climbing Oleander, Poison Arrow Vine

Message of the Flower

Radiating Vital Purity

The Mother’s Comment

It is possible only through perfect consecration of the vital.

Colour

white to pink with red stripes

Family

Apocynaceae

Cultivars

Not widely known for cultivars.

Person who named the flower

William Philip Hiern

Flower Size

Flowers can be quite large, up to 3-4 inches across.

Flower Texture

Smooth

Number of Petals

Five long, slender petals.

Floral Symmetry

Radially symmetrical.

Fragrance of Flower

Fragrant, especially in the evening.

Leaf Texture

Smooth, glossy.

Leaf Arrangement

Opposite

Leaf Color

Green

Structural Variation (Shrub or Tree)

Woody vine or climbing shrub.

Life Cycle

Perennial

Blooming Period

Late spring to early fall.

Climate

Tropical and subtropical.

Water Requirements

Moderate; requires well-drained soil.

Soil Type

Prefers rich, well-drained soil.

Temperature Ranges

Warm, frost-free environments.

Sun or Shade

Prefers full sun to partial shade.

Susceptibility to Insects and Diseases

Susceptible to pests and diseases common to Apocynaceae but generally resilient.

Pollinators

Attracts bees, butterflies, and other pollinating insects.

Habitat

Native to West Africa.

Role in the Ecosystem

Provides nectar for pollinators; toxic properties have ecological implications.

Ornamental

Grown for its striking flowers and as a conversation piece in gardens.

Uses in Other Aspects of Life

Primarily medicinal and ornamental.

Endangered Status

Not listed as endangered but conservation of natural habitats is crucial.