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Hypericum chapmanii W.P.Adams
Apalachicola St.john's-wort
Sponge-bark Hypericum
Florida native
Endemic to Florida
An occasional plant of wet flatwoods, bogs and cypress pond margins in the Florida panhandle between the Ochlockonee and Escambia Rivers.
Usually growing from one to four meters (3 - 13 ft.) high and much branched above. The bark of older stems is soft and spongy, becoming 1-2 cm (3/8 - 7/8 in.) thick. Apalachicola St. John's-wort blooms in the summer, usually solitary in the leaf axils, but sometimes in clusters of three. Flowers are yellow with five petals and sepals, with a mass of showy stamens in the center. Small needle-like leaves are 8-25 mm (1/3 - 1 in.) long and crowded at the nodes of branches and branchlets.
Hypericum chapmanii is a member of the Clusiaceae - Mangosteen family.
Other species of the Hypericum genus in the Wild Florida Photo database:
Hypericum brachyphyllum - COASTALPLAIN ST.JOHN'S-WORT
Hypericum canadense - LESSER CANADIAN ST.JOHN'S-WORT
Hypericum cistifolium - ROUNDPOD ST. JOHN'S-WORT
Hypericum cumulicola - HIGHLANDS SCRUB ST.JOHN'S-WORT
Hypericum edisonianum - ARCADIAN ST.JOHN'S-WORT
Hypericum fasciculatum - SANDWEED
Hypericum frondosum - CEDARGLADE ST.JOHN'S-WORT
Hypericum gymnanthum - CLASPINGLEAF ST.JOHN'S-WORT
Hypericum hypericoides - ST.ANDREW'S-CROSS
Hypericum mutilum - DWARF ST.JOHN'S-WORT
Hypericum myrtifolium - MYRTLELEAF ST.JOHN'S-WORT
Hypericum tenuifolium - ATLANTIC ST.JOHN'S-WORT
Hypericum tetrapetalum - FOURPETAL ST.JOHN'S-WORT
Atlas of Florida Vascular Plants (Institute for Systemic Botany) profile for this species
iNaturalist profile for this species
USDA Plant Profile for this species
Date record last modified: Apr 13, 2024
