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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Ordo: Caryophyllales

Familia: Nyctaginaceae
Tribus: Nyctagineae
Genus: Tripterocalyx
Species: T. carneus – T. crux-maltae – T. micranthus – T. wootonii

Tripterocalyx (Torr.) Hook., Hooker's J. Bot. Kew Gard. Misc. 5: 261. (1853)

Type species: T. micranthus – (Torr.) Hook., 1853

Abronia Sect. Tripterocalyx Torr., in Frém., Rep. Exped. Rocky Mts.:92 (1843)

Primary references

Hooker, W.J. 1853. Hooker's Journal of Botany and Kew Garden Miscellany. Vol. 5. 416 p. London. BHL Reference page. [See page 261.]


Hassler, M. 2017. Tripterocalyx. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2017. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2017 May 12. Reference page.
International Plant Names Index. 2017. Tripterocalyx. Published online. Accessed: 12 May 2017. 2017. Tripterocalyx. Missouri Botanical Garden. Published on the internet. Accessed: 2017 May 12.

Vernacular names
English: Sandpuffs

Tripterocalyx is a small genus of flowering plants in the four o'clock family, Nyctaginaceae. It contains four species formerly included in the closely related genus Abronia, the sand-verbenas.[1] These plants are native to North America, especially the dry desert southwest of the United States. They bloom in heads of several colorful trumpet-shaped flowers. Sandpuffs or sand-verbenas are common names for plants in this genus.[2][3][4]

There are four species in the genus Tripterocalyx:[1]

Tripterocalyx carneus – winged sandpuffs
Tripterocalyx crux-maltae – Kellogg's sand-verbena[3]
Tripterocalyx micranthus – small-flowered sand-verbena[4]
Tripterocalyx wootonii (sometimes treated as a variety of T. carneus) – Wooton's sandpuffs[5]


Flora of North America
"Tripterocalyx". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 15 December 2015.
"Tripterocalyx crux-maltae". Retrieved 14 December 2020.
"Tripterocalyx micranthus". Retrieved 14 December 2020.
"ITIS Standard Report Page: Tripterocalyx wootonii". Retrieved 14 December 2020.

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