Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Lamiales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Physostegia leptophylla
FAMILY
Lamiaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Tidal Marsh Obedient-plant at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Physostegia leptophylla
FAMILY
Lamiaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Physostegia leptophylla
SYNONYMOUS WITH A monograph of the genus Physostegia (Labiatae) (Cantino, 1982)
Physostegia leptophylla
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
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Dracocephalum veroniciformis
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.
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Dan Whitten sdw_pleptophylla
May Georgetown County SC
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Sam Pratt sbp_img_0082
June Georgetown County SC
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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).
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Sam Pratt sbp_img_0096
June Georgetown County SC
Uppermost leaves below terminal raceme usually much larger than floral bracts, per Weakley's Flora.
)
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 (4/24/22):
Physostegia leptophylla
FAMILY
Lamiaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Physostegia leptophylla
FAMILY
Lamiaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Physostegia leptophylla
SYNONYMOUS WITH
A monograph of the genus Physostegia (Labiatae) (Cantino, 1982)
Physostegia leptophylla
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
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Dracocephalum veroniciformis
3090
Forb
Perennial
Habitat: Bottomland hardwood forests, swamps, tidal freshwater or slightly brackish (oligohaline) marshes, rarely wet savannas (GA), per Weakley's Flora
Native to the Carolinas & Georgia
Uncommon
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!
- Field Guide to the Rare Plants of Georgia (Chafin, 2007) p213
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p325
- Wildflowers of the Carolina Lowcountry (Porcher, 1995) p100