Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Lamiales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Physostegia virginiana ssp. virginiana
FAMILY
Lamiaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Obedient-plant at Vascular Plants of North Carolina.
Garden escapes show some intermediacy between ssp. praemorsa and ssp. virginiana, and Cantino (1982) suggests that cultivars are likely inter-subspecific hybrids, stating "because the genetic background of modern cultivars is unknown, they cannot be reasonably placed in either subspecies and should not be identified below the species level". Read more in Weakley's Flora (2022)
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Physostegia virginiana ssp. virginiana
FAMILY
Lamiaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2015)
Physostegia virginiana ssp. virginiana
SYNONYMOUS WITH Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Physostegia virginiana var. virginiana
SYNONYMOUS WITH A monograph of the genus Physostegia (Labiatae) (Cantino, 1982)
Physostegia virginiana ssp. virginiana
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 164-13-001:
Dracocephalum virginianum FAMILY Lamiaceae
INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Dracocephalum virginianum
COMMON NAME:
Northern Obedient-plant, False Dragonhead
To see larger pictures, click or hover over the thumbnails.
JK Marlow jkm0406a_26
June York County SC
Daniel Stowe Botanical Garden
Leaves are narrowly lanceolate and sharply toothed, per Wildflowers of the Southern Mountains (Smith, 1998).
Keith Bradley kab_p_virginiana_78601
August Canada
Montreal Botanical Garden
The upper lip is entire and helmet-like; lower lip is shorter with 3 lobes, per Wildflowers of Tennessee (Carman, 2005).
Keith Bradley kab_p_virginiana_78607
August Canada
Montreal Botanical Garden
Each plant has four rows of 1" long zygomorphic flowers, per Wild Flowers of NC, 1st edition.
JK Marlow jkm0509f_22
September Rutherford County NC
In cultivation
Calyx lobes ascending and less than 1/3 the length of the tube, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Physostegia virginiana ssp. virginiana
FAMILY
Lamiaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Physostegia virginiana ssp. virginiana
FAMILY
Lamiaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2015)
Physostegia virginiana ssp. virginiana
SYNONYMOUS WITH
Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Physostegia virginiana var. virginiana
SYNONYMOUS WITH
A monograph of the genus Physostegia (Labiatae) (Cantino, 1982)
Physostegia virginiana ssp. virginiana
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 164-13-001:
Dracocephalum virginianum
FAMILY
Lamiaceae
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Dracocephalum virginianum
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