Buttonweed
Encyclopedia
Diodia is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of flowering plant
Flowering plant
The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...

s in the Rubiaceae
Rubiaceae
The Rubiaceae is a family of flowering plants, variously called the coffee family, madder family, or bedstraw family. The group contains many commonly known plants, including the economically important coffee , quinine , and gambier , and the horticulturally valuable madder , west indian jasmine ,...

 family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

. It is native to temperate and tropical regions of North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

 and Africa
Africa
Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

.

Other Buttonweeds

There are also many species of False Buttonweeds in the related genus Spermacoce
Spermacoce
Spermacoce is a genus of flowering plants in the Rubiaceae family. It comprises about 275 species found throughout the tropics and subtropics...

.

The Velvetleaf Abutilon (Abutilon theophrasti
Abutilon theophrasti
Abutilon theophrasti is an annual plant in the family Malvaceae, native to southern Asia. It grows to 1 m tall, and has velvet-like heart-shaped leaves 15–25 cm broad...

) in the family Malvaceae is also known by the common name of Buttonweed.

Species

  • Diodia angustata Steyerm.
  • Diodia aulacosperma K.Schum.
  • Diodia barbata (Poir.) DC.
  • Diodia barbigera Hook. & Arn.
  • Diodia discolor DC.
  • Diodia domingensis DC.
  • Diodia flavescens Hiern
  • Diodia froesii Sucre
  • Diodia incana Aresch.
  • Diodia kuntzei K.Schum.
  • Diodia lanigera Pohl ex DC.
  • Diodia macrophylla K.Schum.
  • Diodia microcarpa K.Schum.
  • Diodia mitens Bello
  • Diodia othonii Rizzini
  • Diodia paludosa Kuntze
  • Diodia perforata Urb.
  • Diodia rubricosa Hiern
  • Diodia saponariifolia (Cham. & Schltdl.) K.Schum.
  • Diodia saponarioides C.Presl
  • Diodia simplex Sw.
  • Diodia vaginalis Benth.
  • Diodia verticillata Vahl
  • Diodia virginiana L. - Virginia Buttonweed

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