Strelitzia reginae 'Mandela's Gold,' 

also known as Yellow Bird of Paradise, is a cultivar of Strelitzia reginae, which is a species of flowering plant native to South Africa. It is a popular ornamental plant known for its striking and vibrant yellow flowers.
Please note that while Strelitzia reginae 'Mandela's Gold' is a striking cultivar, it might be relatively rare or more challenging to find compared to the standard Strelitzia reginae with orange and blue flowers.

Here are some key features and information about Strelitzia reginae 'Mandela's Gold':

1. Appearance: 'Mandela's Gold' is characterized by its large, banana-shaped leaves with a grayish-green color. The most distinctive feature of this cultivar is its unique yellow flowers, which contrast beautifully against the foliage.

2. Flowering: The plant produces spectacular bird-like flowers that emerge from a beak-like bract. The blooms consist of three orange sepals and three vivid yellow petals that emerge from a dark purple-black bract. The flowers are held on long, sturdy stalks and are known for their resemblance to tropical birds, thus the common name "Bird of Paradise."

3. Height and spread: Strelitzia reginae 'Mandela's Gold' can reach a height of about 4 to 5 feet (1.2 to 1.5 meters) and has a similar spread.

4. Sunlight requirements: It prefers full sun to partial shade for optimal growth and flowering. In regions with hot climates, providing some afternoon shade can help protect the plant from excessive heat.

5. Soil and water requirements: Well-draining soil is essential for Yellow Bird of Paradise. It thrives in slightly acidic to slightly alkaline soil with good moisture retention. Regular watering is necessary, particularly during the growing season, but avoid overwatering, as it can cause root rot.

6. Hardiness: Strelitzia reginae 'Mandela's Gold' is suitable for USDA hardiness zones 9 to 11. It is not frost-tolerant and may require protection or be grown as a container plant in colder climates.

7. Landscape use: This cultivar is often used as an accent or focal point in tropical and subtropical gardens. It can also be grown in large containers on patios or indoors as a houseplant, given sufficient light and space.

8. Maintenance: Yellow Bird of Paradise is generally low-maintenance. Remove spent flowers and trim any dead or damaged leaves to maintain its aesthetic appeal. In colder climates, it may require protection during winter months.