''Ceratocephala testiculata'' (
syn.
The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently.
* In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linnae ...
''Ceratocephala orthoceras'', ''Ranunculus testiculatus'') is a
flowering plant that is native to
Eurasia.
Common names include bur buttercup and curveseed butterwort.
It is very small, usually only about an inch or two tall, but potentially growing to four inches. The flowers are small and dull yellow. The leaves are hairy and somewhat dissected. It produces a cluster of hard, spiny
fruits (the 'burs'). Like other members of the
buttercup family
Ranunculaceae (buttercup or crowfoot family; Latin "little frog", from "frog") is a family of over 2,000 known species of flowering plants in 43 genera, distributed worldwide.
The largest genera are ''Ranunculus'' (600 species), ''Delphinium' ...
, they are poisonous.
Where they are present in large numbers, it is usually an indication of excessive disturbance to the land.
The species is considered to be
invasive
Invasive may refer to:
*Invasive (medical) procedure
*Invasive species
*Invasive observation, especially in reference to surveillance
*Invasively progressive spread of disease from one organ in the body to another, especially in reference to cancer ...
in the northern and western
United States. In the
sagebrush country, it is one of the first plants to flower after the snow melts.
References
External links
Jepson Manual TreatmentFlora of North AmericaUSDA Plants ProfilePhoto gallery
Ranunculaceae
{{Ranunculaceae-stub