''Euploca'' is an almost
cosmopolitan genus of plants with around 100 species.
It was first described by
Thomas Nuttall
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 ...
in 1837.
While part of the broadly defined
Boraginaceae in the
APG IV system from 2016,
a revision of the order
Boraginales
Boraginales is an order of flowering plants in the asterid clade. It includes the Boraginaceae and a number of other families, with a total of about 125 genera and 2,700 species. Its herbs, shrubs, trees and lianas (vines) have a worldwide distri ...
from the same year includes ''Euploca'' in the separate family
Heliotropiaceae Heliotropiaceae is a cosmopolitan family of flowering plants with approximately 450 species worldwide, though it is concentrated especially in the tropics and subtropics.
There are the following four genera in the family:
* '' Heliotropium (''incl ...
.
Its species used to be classified in the genera ''Hilgeria'' and ''Schleidenia'' and in ''
Heliotropium
''Heliotropium'' is a genus of flowering plants in the heliotrope family, Heliotropiaceae. There are around 325 species in this almost cosmopolitan genus, which are commonly known as heliotropes (sg. ). It is highly toxic for dogs and cats.
...
'' sect. ''Orthostachys'', but were found to form an independent lineage in a
molecular phylogenetic analysis, more closely related to ''
Myriopus'' than to ''Heliotropium''.
While many species use the
photosynthetic pathway,
there are also – intermediate species.
Species have leaves with a -typical
Kranz anatomy.
Selected species:
*''
E. convolvulacea'' (sweet-scented heliotrope, showy heliotrope)
*''
E. filiformis''
*''
E. fruticosa''
*''
E. greggii''
*''
E. humilis''
*''
E. ovalifolia''
*''
E. polyphylla''
*''
E. procumbens''
*''
E. pulvina''
*''
E. salicoides''
*''
E. strigosa''
*''
E. tenella''
References
Boraginaceae
Boraginaceae genera
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