''Ivanjohnstonia'' is a

monotypic genus In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...

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 ...

s 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 distribution. The APG IV system from 2016 classifies the Boraginaceae as single famil ...

. The only species is ''Ivanjohnstonia jaunsariensis'' Its native range is the

Western Himalaya The Western Himalayas are the western half of the Himalayas, in Northwestern India, northwestern India and northern Pakistan. Four of the five tributaries of the Indus River in Punjab (Beas River, Beas, Chenab River, Chenab, Jhelum River, Jhelum ...

. The genus name of ''Ivanjohnstonia'' is in honour of

Ivan Murray Johnston I. M. (Ivan Murray) Johnston (February 28, 1898 – May 31, 1960) was a United States botanist. He studied at Pomona College in Claremont, California and at Harvard University. His plant collections are housed in the '' Rancho Santa Ana Botan ...

(1898–1960), an American botanist. and the Latin

specific epithet In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...

of ''jaunsariensis'' refers to the

Jaunsar-Bawar Jaunsar-Bawar is a hilly region in Garhwal division of Uttarakhand, northern India. It is located in the north-west of Dehradun district, along the border with the state of Himachal Pradesh. Ethnically, Jaunsar-Bawar comprises two regions, inh ...

region in northern India. Both genus and species were first described and published in Sultania Vol.1 on page 1 in 1975.

References

{{Taxonbar, from1=Q10304421, from2=Q17414462 Boraginoideae Boraginaceae genera Monotypic Boraginales genera Plants described in 1845 Flora of West Himalaya