Heliotropioideae was a

subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end botanical subfamily names with "-oideae", and zo ...

of the

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 ...

family

Boraginaceae Boraginaceae, the Borago, borage or forget-me-not family, includes about 2,000 species of shrubs, trees, and herbs in 146 to 154 genus, genera with a worldwide distribution. The APG IV system from 2016 classifies the Boraginaceae as single famil ...

, comprising roughly 450 species. A 2016 revision of the

Boraginales Boraginales is an order of flowering plants in the asterid clade, with a total of about 125 genera and 2,700 species. Different taxonomic treatments either include only a single family, the Boraginaceae, or divide it into up to eleven families. ...

recognises it as a distinct family,

Heliotropiaceae Heliotropiaceae are a cosmopolitan family of flowering plants with approximately 450 species worldwide, though it is concentrated especially in the tropics and subtropics. The following are the four genera in the family: * ''Heliotropium (''incl. ...

Genera

According to the 2016 revision, there are four genera: * ''

Euploca ''Euploca'' is an almost cosmopolitan genus of plants with 168 species. It was first described by Thomas Nuttall in 1837. While part of the broadly defined Boraginaceae in the APG IV system from 2016, a revision of the order Boraginales from the ...

Nutt. Thomas Nuttall (5 January 1786 – 10 September 1859) was an English botanist and zoologist who lived and worked in America from 1808 until 1841. Nuttall was born in the village of Long Preston, near Settle in the West Riding of Yorkshire and ...

(~100 species, almost cosmopolitan) * ''

Heliotropium ''Heliotropium'' is a genus of flowering plants traditionally included in the family Boraginaceae ''s.l.'', but placed in the family Heliotropiaceae within the Boraginales order, by the Boraginales Working Group.. There are around 325 species ...

'' L. (~325 species, almost cosmopolitan; incl. ''

Tournefortia ''Tournefortia'', often called soldierbushes, is a genus of flowering plants in the borage family, Boraginaceae. It was first published under the name "Pittonia" by Charles Plumier in 1703, in honour of Joseph Pitton de Tournefort, Carl Linnaeu ...

'' L.) * ''

Ixorhea ''Ixorhea'' is a genus of flowering plants belonging to the family Boraginaceae Boraginaceae, the Borago, borage or forget-me-not family, includes about 2,000 species of shrubs, trees, and herbs in 146 to 154 genus, genera with a worldwide dis ...

Fenzl Eduard Fenzl (1808, in Krummnußbaum – 1879, in Vienna) was an Austrian botanist. Life and contributions An obituary notes " ewas Professor of Botany and Director of the Imperial Botanical Cabinet, a member of the Vienna Academy of Science ...

(1 species, Argentina) * ''

Myriopus ''Myriopus'' is a genus of flowering plants in the borage and forget-me-not family Boraginaceae (or Heliotropiaceae). Species in the genus are native to Latin America, the Caribbean, and Florida. Species The following species are currently acc ...

Small Small means of insignificant size Size in general is the Magnitude (mathematics), magnitude or dimensions of a thing. More specifically, ''geometrical size'' (or ''spatial size'') can refer to three geometrical measures: length, area, or ...

(~25 species, Neotropics)

References

* Asterid subfamilies {{Boraginaceae-stub