Helianthus microcephalus, also known as the small-headed sunflower or woodland sunflower, is a perennial wildflower native to the eastern United States. It is a member of the sunflower family (Asteraceae) and grows to be about 1-2.5 meters tall.
The leaves are lanceolate to ovate, 3-6 inches long and 0.8-2 inches wide, with smooth or toothed edges. The upper surface of the leaves is rough and scabrous, while the underside is hairy. The leaves are arranged alternately on the stem, with the lower leaves being opposite.
The small-headed sunflower blooms in late summer and fall, producing small, daisy-like flowerheads with 5-8 yellow rays surrounding a cluster of golden disc florets. The flowers are attractive to bees, butterflies, and other pollinators.
The small-headed sunflower is a relatively undemanding plant that can be grown in full sun to partial shade. It prefers moist, well-drained soil. The plant is deer-resistant and can be used as a border, groundcover, or specimen plant.
Here are some additional details about the leaves of Helianthus microcephalus:
- The leaves are simple, meaning they are not divided into leaflets.
- The leaf blades are arranged alternately on the stem.
- The leaf blades are lanceolate to ovate, meaning they are widest below the middle and taper to a point at both ends.
- The leaf blades are 3-6 inches long and 0.8-2 inches wide.
- The leaf edges are smooth or toothed.
- The upper surface of the leaves is rough and scabrous, while the underside is hairy.
- The leaves have three main veins.
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