Suaeda calceoliformis

Suaeda calceoliformis
Conservation status
	; Secure (NatureServe)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Amaranthaceae
Genus:	Suaeda
Species:	S. calceoliformis
Binomial name
	Suaeda calceoliformis; (Hook.) Moq.
Synonyms
	Suaeda americana; S. depressa; S. minutiflora;

Suaeda calceoliformis is a species of flowering plant in the family Amaranthaceae known by several common names, including Pursh seepweed^[1] and horned seablite.

Distribution

The plant is native to North America, where it can be found across most of the continent except for parts of the Southeastern United States. It is a halophyte, growing in areas of high soil salinity and alkalinity, such as playas, salt flats, beaches, marshes and other wetlands, and the edges of roads that are salted in the winter.

Description

Suaeda calceoliformis is an annual herb with waxy green to red or striped, bicolored stems growing up to 80 centimeters long. It may grow erect to prostrate in shape, the prostrate forms being more common in higher salinity substrates because they can retain more water.^[2] The fleshy, waxy leaves are up to 4 centimeters long, linear in shape, and lie nearly against the stem instead of spreading away from it.

The inflorescence is an elongated cyme of flowers shaped like a branching spike. It is dense with many tight clusters of flowers with leaflike bracts growing between them. There are three to five flowers per cluster, each with a calyx of horned sepals and no petals.

The fruit is an utricle that grows within the calyx.

References

^ USDA, NRCS (n.d.). "Suaeda calceoliformis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 4 December 2015.
^ Youngman, A. L. and S. A. Heckathorn. (1992). Effect of salinity on water relations of two growth forms of Suaeda calceoliformis. Functional Ecology 6:6 686-92.

External links

[1] USDA, NRCS (n.d.). "Suaeda calceoliformis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 4 December 2015.

[2] Youngman, A. L. and S. A. Heckathorn. (1992). Effect of salinity on water relations of two growth forms of Suaeda calceoliformis. Functional Ecology 6:6 686-92.

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