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English: Helianthus maximiliani, commonly known as Maximilian sunflower, is a tall and striking perennial sunflower species native to North America. Here is a brief description:

1. Height: Maximilian sunflowers are known for their impressive height, typically reaching between 3 to 10 feet (1 to 3 meters). The tall, erect stems make them stand out in gardens and natural landscapes.

2. Flower Appearance: The flowers are bright yellow and have a classic sunflower appearance with a prominent central disk surrounded by petal-like ray flowers. The blooms are typically 2 to 4 inches (5 to 10 cm) in diameter.

3. Leaves: The leaves are lance-shaped and arranged alternately along the stems. They are usually coarse and toothed, contributing to the plant's overall textured appearance.

4. Habitat: Maximilian sunflowers are adaptable and can thrive in various soil types, but they prefer well-drained soils. They are often found in open areas, along roadsides, and in prairies.

5. Blooming Period: These sunflowers bloom in late summer to fall, adding a burst of color to the landscape when many other plants are fading.

6. Wildlife Attraction: The flowers are a valuable source of nectar for pollinators, including bees and butterflies. The seeds produced by the sunflower are also a food source for birds.

7. Adaptability: Maximilian sunflowers are known for their resilience and ability to establish in disturbed areas. They are well-suited for naturalizing in larger landscapes.

8. Cultivation: This sunflower species is relatively easy to grow and is suitable for gardens with ample space. It requires full sun for optimal growth and tends to be drought-tolerant once established.

Maximilian sunflowers are a delightful addition to gardens, providing both visual interest and ecological benefits. Their impressive height and bright blooms make them a standout feature in late-season landscapes.

English: Perennial Sun flower