Helenium vernale

Helenium vernale is a North American species of flowering plant in the aster family known by the common name Savanna sneezeweed or spring sneezeweed. It is native to the southeastern United States, from Louisiana to the Carolinas.[2]

Helenium vernale
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Genus:
Helenium
Species:
H. vernale
Binomial name
Helenium vernale
Walter 1788
Synonyms[1]
  • Helenium helenium (Nutt.) Small
  • Helenium nuttallii A.Gray
  • Leptopoda helenium Nutt.

Helenium vernale is a perennial herb up to 80 cm (31.5 in) tall, with small wings running down the sides of the stem. One plant generally produces only 1–3 hemispherical flower heads, each on its own flower stalk. Each head can contain up to 800 minuscule disc flowers, each 4.6–6.0 mm (0.18–0.24 in) across, yellow at the base, yellow or yellow-brown near the tips. There are also 13–30 yellow ray flowers.[3]

References
  1. The Plant List, Helenium vernale Walter
  2. Biota of North America Program 2014 county distribution map
  3. Flora of North America, Helenium vernale Walter, 1788. Savanna or spring sneezeweed


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