Purshia

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Credits

Article from Bean's Trees and Shrubs Hardy in the British Isles

Recommended citation
'Purshia' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/purshia/). Accessed 2024-04-19.

Family

Rosaceae

Species in genus

Purshia tridentata

Glossary

achene: Small dry indehiscent fruit that has a single seed (as in e.g. Polylepis).
family: A group of genera more closely related to each other than to genera in other families. Names of families are identified by the suffix ‘-aceae’ (e.g. Myrtaceae) with a few traditional exceptions (e.g. Leguminosae).
sessile: Lacking a stem or stalk.
style: Generally an elongated structure arising from the ovary bearing the stigma at its tip.

References

There are no active references in this article.

Credits

Article from Bean's Trees and Shrubs Hardy in the British Isles

Recommended citation
'Purshia' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/purshia/). Accessed 2024-04-19.

Tri-lobed obovate leaves on Purshia tridentata from the Botanischer Garten Mainz, Germany (27 September 2021). Image © Jan De Langhe - Arboretum Wespelaar.

A genus of two species in western N. America, belonging to the same tribe of the Rose family as Dryas, Fallugia, and Cowania. Flowers solitary, almost sessile. Carpels one, rarely two, with a short curved, persistent style. Fruit an achene, crowned by the persistent style. The genus is named after F. Pursh, a botanist of German birth who is the author of Flora americae septentrionalis (1814), one of the first works on the flora of N. America.