The open plant encyclopedia
Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.
The plants people record most in your country, and ones that grow there wild.
Filter by what you want to do, shape, origin, country, care and safety.
Helenium microcephalum
Also called Small-Head Sneezeweed, Littlehead tarweed, Sneezeweed
Helenium microcephalum is a North American perennial plant in the family Asteraceae, commonly known as smallhead sneezeweed. It is found in the southwestern and south-central United States and northern Mexico.
Helenium microcephalum is an annual herb up to 120 cm (3.9 ft) tall, with wings running down the sides of the stems. Leaves are narrow and elliptical. One plant can have 300 or more small spherical or egg-shaped flower heads, generally no more than 12 mm (half an inch) in diameter. Each head can have 400 or more minuscule disc flowers 1.2–2.4 mm (0.047–0.094 in) across, each yellow or yellow-green toward the bottom but brown or red toward the tip. There are also 7-13 red or yellow ray flowers.
Yellowdicks · Helenium apterum · Helenium argentinum · Arizona sneezeweed · Helenium aromaticum · Common sneezeweed · Bigelow's sneezeweed · Coastal sneezeweed · Shortleaf sneezeweed · Oldfield sneezeweed · Helenium chihuahuensis · Fringed sneezeweed
Text excerpted from the Wikipedia article Helenium microcephalum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
