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Virginia Saltmarsh Mallow
Virginia Saltmarsh Mallow
Virginia saltmarsh mallow, photographed at the Frances S. Taylor Wildlife Management Area, western Broward County in May 2014.
Virginia Saltmarsh Mallow

Virginia saltmarsh mallow, Kosteletzkya virginica, isn't just a pretty flower. It's a practical plant as well, and could have significant potential as an agricultural crop. More on that later.

This beauty is a Florida native, found in most of the Sunshine State's 67 counties from the Panhandle to the Keys. It's also found as far north as New York and as far west as Texas. It is found in the Bahamas and Cuba, and surprisingly throughout the Mediterranean and the Black Sea to Iran and parts of the former Soviet Union.

It can be found in brackish water, along coastal plains and in swamps.

Virginia saltmarsh mallow is a tall herb, growing three to five feet tall and with a spread of about four feet and an angular habit. The flowers are white to pink or peach, with five petals and yellow stamens fused into a column. The blooms are about two to three inches across, and appear spring to fall in South Florida. Its leaves are sharply triangular to oval-shaped; the stems are covered with hairs. It looks similar to hibiscus, but it is not.

As the name implies, Virginia saltmarsh mallow is salt-tolerant, which is one of the keys to its agricultural value, but again more on that later. The plant reaches full maturity in about five years, which, unfortunately is also its maximum lifespan.

Virginia saltmarsh mallow is grown by a few nurseries in South Florida, and used in restorations and in landscaping, but its need for wet feet limit its use to areas with wet soil. It's also used to attract butterflies and hummingbirds.

Virginia Saltmarsh Mallow

Virginia saltmarsh mallow has been grown experimentally in tidal flats along China's east coast, where it's been used to beautify and revegetate areas, where It also provides food for wildlife. The seeds are high in oil and fatty acids and could be grown commercially as a source of biofuel. The seeds also are high in protein, calcium and potassium while low in sodium, and could be grown for human consumption or animal feed. The plant's high salt tolerance could make it a significant crop in areas where freshwater is scarce.

There are four varieties of Virginia saltmarsh mallow. Sara Alexander of George Mason University has concluded that one variety found only in the Everglades is sufficiently different from the others that it should be considered a separate species.

Other common names: Virginia fen-rose, salt marsh mallow, seashore mallow, coastal mallow, and sweetweed. It is a member of Malvaceae, the mallow family, which includes hibiscus, cotton and okra.

Photographs by David Sedore
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Unless otherwise stated, all photographs are property of the publishers and may not be used without their express permission.