''Euthamia graminifolia'', the grass-leaved goldenrod or flat-top goldentop, is a North American species of
plants in the family
Asteraceae.
It is native to much of Canada (from
Newfoundland
Newfoundland and Labrador (; french: Terre-Neuve-et-Labrador; frequently abbreviated as NL) is the easternmost province of Canada, in the country's Atlantic region. The province comprises the island of Newfoundland and the continental region ...
to
British Columbia), and the northern and eastern United States (primarily the
Northeast
The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each se ...
, the
Great Lakes region, and the
Ohio Valley, with additional populations in the
Southeast, the
Great Plains
The Great Plains (french: Grandes Plaines), sometimes simply "the Plains", is a broad expanse of flatland in North America. It is located west of the Mississippi River and east of the Rocky Mountains, much of it covered in prairie, steppe, an ...
, and a few scattered locations in the
Pacific Northwest).
There are also introduced populations in Europe and Asia.
Altervista Flora Italiana, Verga d'oro con foglie da gramigna, ''Euthamia graminifolia'' (L.) Nutt.
/ref>
Description
''Euthamia graminifolia'' is a herbaceous plant on thin, branching stems. Leaves are alternate, simple, long and narrow much like grass leaves (hence the name of the species). One plant can produce many small, yellow 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 ...
flat-topped arrays sometimes as much as 30 cm (1 foot) across. Each head has 7–35 ray florets surrounding 3–13 disc florets. The species is very common in fallow fields, waste places, fencerows, and vacant lots in many places.
References
External links
United States Department of Agriculture Plants Profile for ''Euthamia graminifolia'' (flat-top goldentop)Photo of herbarium specimen at Missouri Botanical Garden, collected in North Carolina in 1897, isotype of ''Euthamia fastigiata'', syn of ''Euthamia graminifolia''
*
graminifolia
Flora of North America
Plants described in 1753
Taxa named by Carl Linnaeus
{{Astereae-stub