''Hymenoxys tweediei'' is a South American species of flowering plant 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 ...
. It has been found mostly in
Uruguay with a few populations in northeastern
Argentina (
Entre Rios Province) and southern
Brazil (
Rio Grande do Sul
Rio Grande do Sul (, , ; "Great River of the South") is a Federative units of Brazil, state in the South Region, Brazil, southern region of Brazil. It is the Federative_units_of_Brazil#List, fifth-most-populous state and the List of Brazilian st ...
).
[Kittie Lucille Fenley Parker. 1962. South American Species of ''Hymenoxys'' (Compositae). Leaflets of Western Botany 9: 197-224]
descriptions in Latin and English, commentary in English, pages 202-203
''Hymenoxys tweediei'' is a succulent annual up to tall. Leaves are divided in thin, narrow segments. Flower heads each contain 135-196 disc flowers and 7-9 ray flowers.
[Hooker, William Jackson Arnott, George Arnott Walker 1841. Journal of Botany, being a second series of the Botanical Miscellany 3: 323]
/ref>
References
tweedei
Flora of Uruguay
Flora of Argentina
Flora of Brazil
Plants described in 1841
{{Asteroideae-stub