Pisoniella

Pisoniella is a monotypic genus of flowering plants belonging to the family Nyctaginaceae.^[2] It only contains one known species, Pisoniella arborescens (Lag. & Rodr.) Standl.^[1]

Pisoniella
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Nyctaginaceae
Genus:	Pisoniella Standl.
Synonyms[1]
Boerhavia arborescens Lag. & Rodr. Pisonia arborescens (Lag. & Rodr.) Kuntze

It is native to (northwestern) Argentina, Bolivia and Mexico.^[1]

The genus name of Pisoniella is in honour of Willem Piso (1611–1678), a Dutch physician and naturalist who participated as an expedition doctor in Dutch Brazil from 1637 – 1644.^[3] The Latin specific epithet of arborescens refers to arboreus meaning tree-like.^[4] Both the genus and the species were first described and published in Contr. U.S. Natl. Herb. Vol.13 on page 385 in 1911.^[1]

it has one known subspecies; Pisoniella arborescens var. glabrata (Heimerl) Heimerl from Bolivia and northwestern Argentina. ^[5]

References

1. "Pisoniella arborescens (Lag. & Rodr.) Standl". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 15 November 2021.
2. "Pisoniella Standl. | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 20 May 2021.
3. Burkhardt, Lotte (2018). Verzeichnis eponymischer Pflanzennamen – Erweiterte Edition [Index of Eponymic Plant Names – Extended Edition] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2018. ISBN 978-3-946292-26-5. S2CID 187926901. Retrieved 1 January 2021.
4. Harrison, Lorraine (2012). RHS Latin for Gardeners. United Kingdom: Mitchell Beazley. ISBN 978-1845337315.
5. "Pisoniella arborescens var. glabrata (Heimerl) Heimerl | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 15 November 2021.