''Corispermum'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of plants in the family

Amaranthaceae Amaranthaceae is a family of flowering plants commonly known as the amaranth family, in reference to its type genus ''Amaranthus''. It includes the former goosefoot family Chenopodiaceae and contains about 165 genera and 2,040 species, making it ...

Common name In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of everyday life; and is often contrast ...

s given to members of the genus involve bugseed, tickseed, and tumbleweed. In general, these are erect annual plants with flat, thin leaves and topped with

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

s of flowers with long

bract In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, or of ...

s. Bugseeds are native to North America and Eurasia, but little is known about their

taxonomy Taxonomy is the practice and science of categorization or classification. A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. ...

and distribution. Species include: *''

Corispermum americanum ''Corispermum'' is a genus of plants in the family Amaranthaceae. Common names given to members of the genus involve bugseed, tickseed, and tumbleweed. In general, these are erect annual plants with flat, thin leaves and topped with inflorescenc ...

'' - American bugseed *''

Corispermum hyssopifolium ''Corispermum hyssopifolium'' is a species in the genus ''Corispermum'' of the family Amaranthaceae. It is found in dunes and sandy spots along rivers in central and western Europe Western Europe is the western region of Europe. The region' ...

'' - tumbleweed, page 117 tumble-weed; page 21 this species forms a

tumbleweed A tumbleweed is a structural part of the above-ground anatomy of a number of species of plants. It is a diaspore that, once mature and dry, detaches from its root or stem and rolls due to the force of the wind. In most such species, the tumble ...

*'' Corispermum ochotense'' - Russian bugseed *'' Corispermum pallasii'' - Siberian bugseed *''

Corispermum ulopterum ''Corispermum ulopterum'' is a species of flowering plant in the family Amaranthaceae, native to Irkutsk Oblast in Siberia. It is found only on the beaches of Lake Baikal Lake Baikal (, russian: Oзеро Байкал, Ozero Baykal ); mn, � ...

References

External links

Jepson Manual TreatmentUSDA Plants ProfileFlora of North America
Amaranthaceae Tumbleweeds Amaranthaceae genera {{Amaranthaceae-stub