''Heteranthemis'' is a monotypic genus of plants in the
daisy family
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 w ...
containing the single species ''Heteranthemis viscidehirta'' (
orth. var. ''H. viscidihirta''),
''Heteranthemis''.
Flora of North America. which is known by the common name oxeye, or sticky oxeye. This plant is native to the Iberian Peninsula
The Iberian Peninsula (),
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* Aragonese and Occitan: ''Peninsula Iberica''
**
**
* french: Péninsule Ibérique
* mwl, Península Eibérica
* eu, Iberiar penintsula also known as Iberia, is a peninsula in southwestern Europe, defi ...
and adjacent areas in North Africa
North Africa, or Northern Africa is a region encompassing the northern portion of the African continent. There is no singularly accepted scope for the region, and it is sometimes defined as stretching from the Atlantic shores of Mauritania in ...
, but it can be found in other parts of the world as an introduced species
An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there ...
. This is an annual herb growing erect stems 20 to 80 centimeters tall. Its abundant leaves are a few centimeters long, wavy to curly and divided into irregular toothed lobes. The stem and foliage are glandular and produce a sticky exudate. The plants produce bright yellow daisylike 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 ...
, with bases covered in large green phyllaries
In botanical terminology, a phyllary, also known an involucral bract or tegule, is a single bract of the involucre of a composite flower. The involucre is the grouping of bracts together. Phyllaries are reduced leaf-like structures that form one or ...
. The center of the head is filled with many yellow disc florets and the edge is fringed with toothed yellow ray florets about 2 centimeters long.
References
External links
The Jepson eFlora 2013CalPhotos
Glebionidinae
Monotypic Asteraceae genera
Flora of North Africa
{{Anthemideae-stub