Scientific Name:	Thunbergia alata
Pronunciation:	thun-BER-jee-uh a-LAY-tuh
Common Name:	black-eyed Susan vine
Family Name:	Acanthaceae
Plant Type:	Annual, Vine or climber, Biennial
Key ID Features:	Sagittate leaves, wings on petiole; flowers in light, warm colours, 5 flat petals with black center.
Course(s):	HORT 2355, Level 4 Apprenticeship

Habit: Open, Spreading Form: Climbing, Creeping / Mat-like, Weeping Texture: Medium Mature Size: Height: 0.7 - 1.3m Spread: 0.6 - 1.0m Growth Rate: Fast Origin: Africa Hardiness Rating: Zone 11: (above 4 C) Exposure: Full sun, Part sun/part shade Soil/ Growing Medium: Well-drained Water Use: Moderate Landscape Uses: Arbors or trellis, Attract birds, Attract butterflies, Container planting, Hanging basket, Summer interest Additional Info: Google Images. Cultivars shown include T. ‘Lemon Star’ and T. alata ‘Orange Eye'.

Leaf Morphology: Form: Simple Arrangement: Opposite Texture/ Venation: Soft flexible Surfaces: Pubescent Colour in Summer: Greenish yellow Leaf(let) Terms: Shapes: Elliptic, Ovate Apices: Acute Bases: Cordate, Sagittate Margins: Dentate

Inflorescence Type: Floriferous, Flowers solitary Flower Morphology: Flowers perfect Number of Petals: 5 Corolla Shape: Salverform Ovary Position: Superior Colour (petals): Showy, White, Yellow, Orange, (Thunbergia alata ‘Lemon Star’ is shown in the flower images, Thunbergia alata ‘Orange Eye’ has an orange flower. Thunbergia 'Alba' (not shown) has white flowers.) Flower Scent: None Flower Time at Peak: Jun, Jul, Aug, Sep Additional Info: The images are of Thunbergia alata ‘Lemon Star’. 'African Sunset' is yellow while 'Orange Wonder' is orange.

Fruit Type: Capsule Fruit Colour: Fruiting Time: Additional Info: Fruit insignificant, (two locules)

Bark or Stem Colour:     Organ Modifications: Fibrous-like roots

Propagation:	Seed, Greenwood cuttings, Softwood cuttings
Plant Care:
Maintenance:	Medium
Pest Susceptibility:	Mites, Root rot, Scale insects, Whitefly or psyllids

Location(s): (HPZ) Horticulture PlaZa Location Map

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