Florida Bonamia (Bonamia Grandiflora)

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Florida bonamia (Bonamia grandiflora) For definitions of botanical terms, visit en.wikipedia.org/wiki/Glossary_of_botanical_terms. Also known as Florida’s lady’s nightcap and scrub morning glory, Florida bonamia is a rare, perennial flowering vine. Its showy blooms vary slightly in color from a bright blue in the morning to a pale lavendar by the afternoon, at which time, the blooms close. They are solitary, five- lobed and funnel-shaped with white throats. Leaves are grayish-green and ovate with pointed tips, entire margins and tiny hairs. They are alternately arranged. Stems are hairy and herbaceous, arising in multiples from a single woody root mass and extending outward in different Photo by Stacey Matrazzo directions along the ground (unlike other morning glory species, which tend to be high-climbing). Fruits are capsules that usually contain four smooth, oblong seeds. Florida bonamia typically blooms spring through fall. It occurs naturally in Central Florida’s sand pine scrub. Florida bonamia is endemic to Central Florida, and is a federally threatened and state-listed endangered species. Its populations have declined in recent decades due to development of its habitat for residential areas and agriculture (primarily citrus groves). Only about 100 populations remain, 35 of which are protected in 15 managed areas. Florida bonamia is adapted to occasional fire, which helps clear brush and minimize canopy species, creating the open, sunny areas that the plant requires. Thus, fire suppression or exclusion is also a factor in this species’ imperilment. Bonamia grandiflora is the only species of Bonamia native to the continental United States. Family: Convolvulaceae (Morning-glory family) Native range: Central peninsula, primarily along the Lake Wales Ridge and in the Ocala National Forest To see where natural populations of Florida bonamia have been vouchered, visit www.florida.plantatlas.usf.edu. Soil: Very dry, sandy soils Exposure: Full sun Growth habit: Trailing, 3–4 feet in length Propagation: Seed Garden tips: This is a rare specimen that is not commercially available. Seek it out in its natural habitat! Florida Wildflower Foundation • 225 S. Swoope Ave., Suite 110, Maitland, FL 32751 • 407-622-1606 • www.FlaWildflowers.org.

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Comparative Biology of Seed Dormancy-Break and Germination in Convolvulaceae (Asterids, Solanales)
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