Slim Leaf Barbara's Buttons
Marshallia tenuifolia - Rafinesque
Syn: Marshallia mohrii - M. obovata var. scaposa - M. trinervia
Asteraceae (Composite Sunflower) family
Narrow Leaf Barbara's Buttons may also be known as Marshallia and Grass-leaf Marshallia.
Plant is an upright, smooth to hairy perennial. Its preferred habitat is pine woods, ditches and moist savannas or bogs. Distribution is throughout the Escambia region.
The leaves are alternate on the stem; linear to lance-like; no teeth and no lobes.
Flowers are in heads at the tip of a flowering stem; bisexual (male and female in same flower) in nature; corolla is white, pink or purple. Flowers occur in early summer.
Fruit is achene (a seed which outer layer is fused to it).
M. trinervia, has oval-shaped leaves.
Narrative by Dr. Al Diamond, Troy University -- Narrowleaf Barbara's Buttons is a native herbaceous perennial in the Aster family (Asteraceae). It can be found in the southern-most counties of Alabama. Narrowleaf Barbara's Buttons grows in pitcher plant bogs, wet savannahs, low pine woods, and in roadside ditches. It is a perennial with a tap root. Plants have a basal rosette of spreading, petiolate leaves. The basal leaves are oblanceolate in outline with entire margins. The cauline (stem) leaves are sessile, linear in outline, and ascending. Flowers are produced in solitary, terminal heads. The heads contain only disc flowers. The flowers are lavender to white in color. The fruit is an achene.--A. Diamond