Classification
 Subordinate Taxa
 Nomenclature
Scientific Name:
Helenium L., Sp. Pl. 886 (1753)
Vernacular Name(s):
Sneezeweed; Sneezewort
 Description

Annual or perennial herbs. Lvs alternate, simple, entire or serrate, often decurrent. Capitula pedunculate, solitary or in loose cymes. Involucral bracts in 2–3 rows, foliaceous or membranous. Receptacle convex, ovoid, or conic; scales 0. Outer florets usually ♀, sometimes sterile, ligulate, usually yellow. Inner florets ☿, tubular, sometimes all florets tubular and ligules 0. Achenes all similar, not compressed, 4–5-angled, narrowed to base, ribbed, often hairy on ribs and angles; pappus of 5–10, often aristate and laciniate scales.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]

 Biostatus
Exotic
Number of species in New Zealand within Helenium L.
CategoryNumber
Exotic: Fully Naturalised1
Exotic: Casual1
Total2
 Bibliography
Linnaeus, C. 1753: Species Plantarum. Impensis Laurentii Salvii, Stockholm.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.