''Helenium brevifolium'' is a North American
perennial plant
A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...
in the
sunflower family, commonly known as shortleaf sneezeweed.
[ It is native to the southeastern United States, from ]Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the East Coast of the United States, Atlantic Coast and the Appalachian Mountains. The geography an ...
to eastern Louisiana
Louisiana , group=pronunciation (French: ''La Louisiane'') is a U.S. state, state in the Deep South and South Central United States, South Central regions of the United States. It is the List of U.S. states and territories by area, 20th-smal ...
and inland as far as Tennessee
Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to ...
.Biota of North America Program 2014 county distribution map
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''Helenium brevifolium'' is an perennial herb up to 100 cm (40 inches) tall. One plant can produce as many as 10 flower heads
A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...
, in branching arrays. The head is spherical or hemispherical, with sometimes as many as 800 disc floret
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae we ...
s, each floret yellow near the base but purple or brown or yellow towards the tip. There are also 9-24 yellow ray florets
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae we ...
. The species grows in bogs, swamps, and other wet places.[Flora of North America, ''Helenium brevifolium'' (Nuttall) Alph. Wood, 1870. Shortleaf sneezeweed ]
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References
External links
''Helenium brevifolium'' - Louisiana Department of Wildlife and Fisheries
description, photos, line drawing, ecological information, Louisiana distribution map
Southeastern Flora
photos
Digital Atlas of the Virginia Flora
Atlas of Florida Vascular Plants
{{Taxonbar, from=Q15558611
Flora of the Southeastern United States
Plants described in 1841
brevifolium
Flora without expected TNC conservation status