''Polypremum'' is a
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
in the family
Tetrachondraceae
Tetrachondraceae is a plant family in the order Lamiales
The Lamiales (also known as the mint order) are an order of flowering plants in the asterids clade of the Eudicots. Under the APG IV system of flowering plant classification the ord ...
. The genus contains the
single species ''Polypremum procumbens'', commonly known as juniperleaf or rustweed. ''Polypremum'' has also been placed in the various families
Buddlejaceae
Buddlejaceae is a family of flowering plants that is not currently recognized by the Angiosperm Phylogeny Group, but as of 2016 it is being used by many botanists as one of several small families that divide the Lamiales. Phylogenetic reconstru ...
,
Loganiaceae
The Loganiaceae are a family of flowering plants classified in order Gentianales. The family includes up to 13 genera, distributed around the world's tropics. There are not any great morphological characteristics to distinguish these taxa from ot ...
,
Rubiaceae
Rubiaceae () is a family (biology), family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with Petiole ( ...
, and most recently in its own
Polypremaceae.
[Richard K. Rabeler & Craig C. Freeman (2012) Flora of North America Provisional Publication: POLYPREMACEAE Takhtajan ex Reveal (Polypremum Family)]
/ref>perennial
In horticulture, the term perennial ('' per-'' + '' -ennial'', "through the year") is used to differentiate a plant from shorter-lived annuals and biennials. It has thus been defined as a plant that lives more than 2 years. The term is also ...
or annual
Annual may refer to:
*Annual publication, periodical publications appearing regularly once per year
**Yearbook
**Literary annual
*Annual plant
*Annual report
*Annual giving
*Annual, Morocco, a settlement in northeastern Morocco
*Annuals (band), a ...
forb/herb, and grows low with sometimes multiple ascending stems producing small white flowers that bloom in summer and fall. Leaves are opposite, 1–2.5 cm, narrow, and pointed at the end. The foliage turns a brownish red in autumn.USA
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 states and a federal capital district, Washington, D.C. The 48 contiguous ...
excluding New England
New England is a region consisting of six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York (state), New York to the west and by the ...
, south to Central America
Central America is a subregion of North America. Its political boundaries are defined as bordering Mexico to the north, Colombia to the southeast, the Caribbean to the east, and the Pacific Ocean to the southwest. Central America is usually ...
and the West Indies
The West Indies is an island subregion of the Americas, surrounded by the Atlantic Ocean, North Atlantic Ocean and the Caribbean Sea, which comprises 13 independent island country, island countries and 19 dependent territory, dependencies in thr ...
, with occurrences in South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...
. It has been introduced in the Pacific basin
The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...
and Australia
Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
, often occurring along roads and airstrips. In its southeastern USA range it is common in coastal plain
A coastal plain (also coastal plains, coastal lowland, coastal lowlands) is an area of flat, low-lying land adjacent to a sea coast. A fall line commonly marks the border between a coastal plain and an upland area.
Formation
Coastal plains can f ...
and piedmont
Piedmont ( ; ; ) is one of the 20 regions of Italy, located in the northwest Italy, Northwest of the country. It borders the Liguria region to the south, the Lombardy and Emilia-Romagna regions to the east, and the Aosta Valley region to the ...
regions, growing in disturbed areas, and rare in the mountains.
/ref>
References
External links
*
Lamiales
Monotypic Lamiales genera
Flora of the Eastern United States
{{Lamiales-stub