Answer: Wild allamanda is botanically Urechites lutea and is often called yellow mandevilla.
The flower color is almost neon yellow and it grows as a vine-like shrub when it is young. Left to it own devices, it develops into a sprawling vine climbing over nearby shrubs, trees and other structures. Flowers are about 2-3 inches across, produced year-round on stem tips. There are usually some flowers on the plant all year long, although the plant is not covered with flowers the way allamanda usually is. Flowering period: June-October. It will grow in full sun to part shade and is drought tolerant once established. As a caution, you should know that all parts of plant are considered poisonous if ingested and handling the plant may cause skin irritation in sensitive individuals.
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