NameThatPlant.net: Amsonia rigida

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Amsonia rigida FAMILY Apocynaceae Go to FSUS key

Dig deeper at SERNEC, a consortium of southeastern herbaria.

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Amsonia rigida FAMILY Apocynaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Amsonia rigida

INCLUDED WITHIN Flora of Florida (Wunderlin & Hansen [& Franck], 2015 et seq.)

Amsonia tabernaemontana

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Amsonia rigida

COMMON NAME:
Stiff Bluestar, Pond Bluestar, Marsh Bluestar

To see larger pictures, click or hover over the thumbnails.

image of Amsonia rigida, Stiff Bluestar, Pond Bluestar, Marsh Bluestar

Bruce A. Sorrie bas_amsonia_rigida1

May Calhoun County GA

Stem & leaves glabrous; lvs elliptic, lower & upper mostly 3-5x long as wide, per Weakley's Flora (2015).

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Amsonia rigida FAMILY Apocynaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Amsonia rigida FAMILY Apocynaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Amsonia rigida

INCLUDED WITHIN Flora of Florida (Wunderlin & Hansen [& Franck], 2015 et seq.)
Amsonia tabernaemontana

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Amsonia rigida

Forb
Perennial

Habitat: Seasonally flooded depression wetlands and moist pinelands, per Weakley's Flora

Native to Georgia

Uncommon in GA, rare elsewhere

map
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

DOES THE PLANT HAVE "MILKY SAP"?
Has milky sap (latex)

LEAVES:
Simple
Alternate to nearly opposite

FLOWER:
Spring
Purplish-blue
Bisexual
Radially symmetrical
5-merous
Sepals minute
5-lobed salverform corolla
5 stamens

FRUIT:
Paired follicles

TO LEARN MORE about this plant, look it up in a good book!