Wetland Evaluation and Delineation Program
Featured Plants - Florida's Iris Species
Iris pseudoacorus is a
large species with vigorous rhizomes and large leaves. It is the only
yellow flowering species of Iris one might encounter in Florida. This
species has been naturalized throughout north Florida in ditches,
shorelines, stormwater retention ponds, and along streams.
|Iris hexagona has the
largest distribution from Collier County north to Holmes County in
northwest Florida to Nassau County in northeast Florida. This is a
species of swamp margins, drainage ditches, canals, pond and lake
margins, and wet prairies. Look for the purple flowers in February
through March in south Florida and late March through April in the north
Iris brevicaulis is a
rare species in north Florida, reaching the state along river
floodplains in Jackson County. This is a lax plant that produces
partially hidden blue or purple flowers in April through May.
virginica is distributed throughout north Florida and
extends south into Polk County. Found in marshes, pond and lake margins,
swamps, sloughs, hydric hammocks, ditches and canals, wet areas in pine
savannas and flatwoods. This is the tallest of the native iris with
stems to 100 cm long. The pale blue or purple flowers are produced in
March through April.
tridentata is a smaller species generally with one flowering
scape, this species produces several violet flowers in April through
May. This is a northern species that reaches its southernmost
distribution in the wet savannas of north Florida.
verna is the smallest of the native species, mature leaves
are lax, about 6 to 12 inches long. The flowers are also small and
delicate with flowering stems up to 6 inches. This species might be
found flowering in March through early April in the dry pine forests of
Santa Rosa County, where it is locally common.
Iris fulva, horticulturally, is a smaller species
with reddish flowers. This plant has been selected for a variety of
flower color forms, reddish being the most commonly encountered variety
in north Florida. Naturalized around ponds and lakes.
Last updated: September 21, 2011