''Rydingia'' (tinjute) is a genus of plants in the family

Lamiaceae The Lamiaceae ( ) or Labiatae are a family of flowering plants commonly known as the mint, deadnettle or sage family. Many of the plants are aromatic in all parts and include widely used culinary herbs like basil, mint, rosemary, sage, savory ...

, first described in 2007. The genus is native to eastern

Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...

and south-western

Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...

, and found in

Eritrea Eritrea ( ; ti, ኤርትራ, Ertra, ; ar, إرتريا, ʾIritriyā), officially the State of Eritrea, is a country in the Horn of Africa region of Eastern Africa, with its capital and largest city at Asmara. It is bordered by Ethiopia ...

, Ethiopia, Iran, Oman, Pakistan, West Himalaya and Yemen. The genus was

circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius. Not every polyg ...

by Anne-Cathrine Scheen and Victor Anthony Albert in Syst. & Geogr. Pl. vol.77 (2) on page 234 in 2007. The genus name of ''Rydingia'' is in honour of Per Olof Ryding (b.1951), a Swedish

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

and plant collector in Africa, from the

University of Copenhagen The University of Copenhagen ( da, Københavns Universitet, KU) is a prestigious public university, public research university in Copenhagen, Copenhagen, Denmark. Founded in 1479, the University of Copenhagen is the second-oldest university in ...

in Denmark.

Species

As accepted by

Plants of the World Online Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ...

; *'' Rydingia integrifolia'' (Benth.) Scheen & V.A.Albert - Eritrea, Ethiopia, Yemen *'' Rydingia limbata'' (Benth.) Scheen & V.A.Albert - Pakistan, Kashmir *'' Rydingia michauxii'' (Briq.) Scheen & V.A.Albert - Iran *'' Rydingia persica'' (Burm.f.) Scheen & V.A.Albert - Iran, Oman, Pakistan

References

{{Taxonbar, from=Q17415853 Lamiaceae Lamiaceae genera Flora of Eritrea Flora of Ethiopia Flora of Iran Flora of Oman Flora of Yemen Flora of Pakistan Flora of West Himalaya