''Holarrhena'' is a genus of plant in the family

Apocynaceae Apocynaceae (, from '' Apocynum'', Greek for "dog-away") is a family of flowering plants that includes trees, shrubs, herbs, stem succulents, and vines, commonly known as the dogbane family, because some taxa were used as dog poison. Notable mem ...

first described as a genus in 1810. It is native to tropical and southern Africa as well as south, east, and southeast

Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...

. the World Checklist of Selected Plant Families recognises 5 species:Search for "Holarrhena", ;Species * '' Holarrhena congolensis'' Stapf - Zaïre * ''

Holarrhena curtisii ''Holarrhena'' is a genus of plant in the family Apocynaceae first described as a genus in 1810. It is native to tropical and southern Africa as well as south, east, and southeast Asia. the World Checklist of Selected Plant Families recognises 5 ...

King King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...

Gamble Gambling (also known as betting or gaming) is the wagering of something of value ("the stakes") on a random event with the intent of winning something else of value, where instances of strategy are discounted. Gambling thus requires three elem ...

- Indochina * ''

Holarrhena floribunda ''Holarrhena floribunda'', commonly known as the false rubber tree, conessi bark or kurchi bark, is a plant in the family Apocynaceae. Description ''Holarrhena floribunda'' grows as a shrub or tree up to tall, with a stem diameter of up to . It ...

'' (

G.Don George Don (29 April 1798 – 25 February 1856) was a Scottish botanist and plant collector. Life and career George Don was born at Doo Hillock, Forfar, Angus, Scotland on 29 April 1798 to Caroline Clementina Stuart and George Don (b.1756), pr ...

) T.Durand & Schinz - western + central Africa * '' Holarrhena mitis'' (

Vahl Vahl is a surname. Notable people with the surname include: * Christian-Friedrich Vahl (born 1955), German cardiac surgeon * Emanuel Vahl (born 1938), Ukrainian-Israeli composer *Herbert-Ernst Vahl, German SS general *Jens Vahl (1796–1854), Danis ...

) R.Br. ex

Roem. Johann Jacob Roemer (8 January 1763, Zürich – 15 January 1819) was a Swiss physician and professor of botany in Zürich, Switzerland. He was also an entomologist. With Austrian botanist Joseph August Schultes, he published the 16th edition of ...

Schult. Josef (Joseph) August Schultes (15 April 1773 in Vienna – 21 April 1831 in Landshut) was an Austrian botanist and professor from Vienna. Together with Johann Jacob Roemer (1763–1819), he published the 16th edition of Linnaeus' ''Systema ...

- Sri Lanka * ''

Holarrhena pubescens ''Holarrhena pubescens'' is a species of flowering plant in the family Apocynaceae. It is native to central and southern Africa, the Indian Subcontinent, Indochina, and parts of China. ''Holarrhena pubescens'' is sometimes confused with the speci ...

Wall. Nathaniel Wolff Wallich (28 January 1786 – 28 April 1854) was a surgeon and botanist of Danish origin who worked in India, initially in the Danish settlement near Calcutta and later for the Danish East India Company and the British East Indi ...

- eastern, southern + central Africa; Indian Subcontinent, Indochina, parts of China A new species of Holarrhena from the Palakkad gap of Western Ghats has been reported and named as ''Holarrhena parishadii''https://phytotaxa.mapress.com/pt/article/view/phytotaxa.664.4.6 in the year 2024.

References

Apocynaceae genera {{Apocynaceae-stub