OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (11/30/12):
Physostegia leptophylla   FAMILY Lamiaceae   Go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Physostegia leptophylla   FAMILY Lamiaceae

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 164-13-002?:
Dracocephalum purpureum   FAMILY Lamiaceae

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

 

COMMON NAME:
Tidal Marsh Obedient-plant, Swamp Obedient-plant, Narrowleaf Obedient-plant, Slenderleaf False Dragonhead


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

image of Physostegia leptophylla, Tidal Marsh Obedient-plant, Swamp Obedient-plant, Narrowleaf Obedient-plant, Slenderleaf False Dragonhead

Dan Whitten    sdw_pleptophylla

May    Georgetown County    SC

image of Physostegia leptophylla, Tidal Marsh Obedient-plant, Swamp Obedient-plant, Narrowleaf Obedient-plant, Slenderleaf False Dragonhead

Sam Pratt    sbp_img_0082

June    Georgetown County    SC

image of Physostegia leptophylla, Tidal Marsh Obedient-plant, Swamp Obedient-plant, Narrowleaf Obedient-plant, Slenderleaf False Dragonhead

Sam Pratt    sbp_img_0082_cropped

June    Georgetown County    SC

Leaf margins wavy (undulate) or w low rounded teeth; upper lvs clasp stem, per Protected Plants of Georgia, Georgia DNR (Patrick, Allison & Krakow, 1995).

image of Physostegia leptophylla, Tidal Marsh Obedient-plant, Swamp Obedient-plant, Narrowleaf Obedient-plant, Slenderleaf False Dragonhead

Sam Pratt    sbp_img_0096

June    Georgetown County    SC

Uppermost leaves below terminal raceme usually much larger than floral bracts, per Weakley's Flora.

image of Physostegia leptophylla, Tidal Marsh Obedient-plant, Swamp Obedient-plant, Narrowleaf Obedient-plant, Slenderleaf False Dragonhead

Sam Pratt    sbp_img_0097

June    Georgetown County    SC

Flowering calyx tube 3-7(8)mm long; flowers usually > 20mm long, per Weakley's Flora (2015).

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (11/30/12):
Physostegia leptophylla   FAMILY Lamiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Physostegia leptophylla   FAMILY Lamiaceae

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 164-13-002?:
Dracocephalum purpureum   FAMILY Lamiaceae

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

 

Find by SCIENTIFIC NAME:

3090

Forb
Perennial

Native to the Carolinas & Georgia

Habitat: Bottomland hardwood forests, swamps, tidal freshwater or slightly brackish (oligohaline) marshes, rarely wet savannas (GA), per Weakley's Flora

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.)

LEAVES:
Simple
Opposite

RHIZOMES? STOLONS?
Rhizomes long, horizontal; plants forming clonal patches

FLOWER:
Spring/Summer
Pink/Lavender
Bisexual
Bilaterally symmetrical
5-lobed campanulate calyx
2-lipped tubular corolla, upper lip hood-like
4 stamens, arched under the corolla's upper lip
Superior ovary

FRUIT:
Summer/Fall
Olive-brown
Schizocarp of mericarps

 

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



 


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