OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Schwalbea americana   FAMILY Orobanchaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Schwalbea americana   FAMILY Scrophulariaceae

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

Schwalbea americana var. americana

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

Schwalbea americana var. australis

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 17 (2019)

Schwalbea americana

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 166-27-001:

Schwalbea americana   FAMILY Scrophulariaceae

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Schwalbea australis

 

COMMON NAME:
American Chaffseed


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

image of Schwalbea americana, American Chaffseed

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_scam_001_lvd

        

image of Schwalbea americana, American Chaffseed

JK Marlow    jkm060423_132b

April        SC

Francis Marion National Forest

Leaf size decreases from the base of the stem upwards, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).

image of Schwalbea americana, American Chaffseed

JK Marlow    jkm0505s_30

May    Williamsburg County    SC

Tubular 1" flowers are born along the upper 1/2-1/3 of the stem, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).

image of Schwalbea americana, American Chaffseed

JK Marlow    jkm0505s_31

May    Williamsburg County    SC

Calyx tubular, 2-lipped, lips unequal, subtended by 2 linear bractlets, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Schwalbea americana, American Chaffseed

Patrick D. McMillan    pdmsamericana_halfway

May    Berkeley County    SC

Francis Marion National Forest

Leaves lanceolate or elliptic-lanceolate, entire, sessile, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Schwalbea americana, American Chaffseed

Patrick D. McMillan    pdmsamericana_steedfrt

May    Berkeley County    SC

Francis Marion National Forest

The narrow fruit is enclosed in a saclike structure, hence the common name, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Schwalbea americana   FAMILY Orobanchaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Schwalbea americana   FAMILY Scrophulariaceae

INCLUDING Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Schwalbea americana var. americana

INCLUDING Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Schwalbea americana var. australis

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 17
Schwalbea americana

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 166-27-001:
Schwalbea americana   FAMILY Scrophulariaceae

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Schwalbea australis

 

Find by SCIENTIFIC NAME:

1941

Forb
Perennial

Habitat: pine savannas, sandhill-pocosin ecotones (in the uphill portions), mesic loamy-soil slopes or swales in sandhill longleaf pine woodlands, fire-maintained interior woodlands and barrens, per Weakley's Flora

Native to the Carolinas & Georgia

Rare

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

LEAVES:
Simple
Alternate

FLOWER:
Spring/Summer
Yellowish suffused with pinkish-purple
Bilaterally symmetrical
2-lipped tubular calyx
2-lipped tubular corolla
4 included stamens (2 long, 2 short)
Superior ovary
Bisexual

FRUIT:
Summer
Capsule

 

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



 


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