Zygophyllum stapffii

Zygophyllum stapffii, synonym Tetraena stapffii, (Afrikaans: daalderplant, English: dollar bush) is a species of flowering bush endemic to Namibia.^[1] As of January 2025^[update], the specific epithet was sometimes spelt with a single f, i.e. stapfii,^[2] but the International Plant Names Index spells it with double f.^[3]

Zygophyllum stapffii
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Zygophyllales
Family:	Zygophyllaceae
Genus:	Zygophyllum
Species:	Z. stapffii
Binomial name
Zygophyllum stapffii Schinz
Synonyms[1]
Tetraena stapffii (Schinz) Beier & Thulin Zygophyllum marlothii Engl.

It grows in the Namib ecoregion along the Atlantic Ocean coast. Most of this plant's moisture comes from the morning mist. The shrub's round, coin-like leaves lend it its colloquial name: daalder is an old Dutch coin worth one and a half guilders.^[4]

Image gallery

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  Flowers up close
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  Full bush