About Marshallia graminifolia (Walter) Small
Taxonomic Identity
Marshallia graminifolia (Walter) Small is a perennial herb species that is endemic to the coastal plains of the Southern United States.
Habitat Preference
It most often grows in bogs and sunny locations.
Common Names
Like all species in the genus Marshallia, it shares the common name Barbara's buttons, and this species is specifically called grassleaf Barbara's buttons.
Flower Characteristics
It produces fragrant flowers.
Accepted Subspecies
Two subspecies of M. graminifolia are currently accepted: M. graminifolia subsp. graminifolia, and M. graminifolia subsp. tenuifolia.
Subspecies Common Names
M. graminifolia subsp. tenuifolia has the common names narrowleaf Barbara's buttons or slim leaf Barbara's buttons.
Subspecies Habitat
This subspecies grows in moist sandy habitats, including bogs, wet savannahs, and low pine woods in the south-east coastal areas of the United States.
Subspecies Range
Its range extends from the south coast of Georgia along the Gulf coast into east Texas.
Morphology and Reproduction
The species has a deep taproot, produces lavender to white flowers, and bears achene fruit.