Amsonia tabernaemontana Walter
Dwarf bluestar, common bluestar
Bluestar is native to the central United States. It prefers rocky woodlands and ravines, stream borders, limestone glades, and moist sandy meadows.
Plants: Perennial, 12-36" (30-91 cm), forming large clumps with many branches. Stems are light green, smoothly cylindrical, and hairless.
Leaves: Narrow, oval, bright green above, pale below, 2-4" (5-10 cm) long. Leaves have a petiole (stem) up to 1" (2.5 cm) long.
Flowers: In compact, rounded panicles. Each flower is tubular, opening to a star of five narrow pointed light blue petals ½-¾" (1.3-1.9 cm) around. Flower centers are pale yellow. They appear in May.
Fruits: Cylindrical seed pods are 3-4½" (8-12 cm) long, containing hard, black seeds. Pods are curved and sharp-tipped.
Amsonia tabernaemontana at Illinois Wildflowers
Amsonia tabernaemontana on fyi.extension.wisc.edu (Great photos and info)
Amsonia tabernaemontana on plants.ces.ncsu.edu
Amsonia tabernaemontana at the Lady Bird Johnson Wildflower Center
Clemants, Steven; Gracie, Carol, Wildflowers in the Field and Forest, Oxford University Press, 2006, p. 14
Amsonia tabernaemontana description by Thomas H. Kent, last updated 25 May 2020.
Range: Zones 3-9: