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Physostegia virginiana ssp. praemorsa (Obedient plant)
Loughmiller, Campbell and Lynn

Physostegia virginiana ssp. praemorsa

Physostegia virginiana (L.) Benth. ssp. praemorsa (Shinners) Cantino

Obedient Plant, Fall Obedient Plant, Lionheart, False Dragonhead

Lamiaceae (Mint Family)

Synonym(s): Physostegia praemorsa, Physostegia serotina, Physostegia virginiana var. arenaria, Physostegia virginiana var. reducta


USDA Native Status: L48 (N)

Erect, 1-4 feet tall, with no branches in the upper part. Leaves are opposite, 1 1/8-2 3/4 inches long and 1/2 inch wide or less. The larger leaves are on the lower part of the stem. The upper ones are sharply toothed. There are many large, showy flowers on the upper portion of the stems. Flowers are 1 1/4 inches long, pinkish lavender, spotted with rose-purple. The 2-lipped blossom has 4 stamens and is inflated at the throat.


From the Image Gallery

2 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Nut
Size Notes: Up to about 4 feet tall.
Flower: Flowers 1 inch
Fruit: Nutlets.

Bloom Information

Bloom Color: Pink , Purple
Bloom Time: Jun , Jul , Aug , Sep , Oct


USA: AL , AR , FL , GA , IA , IL , IN , KY , LA , MN , MO , MS , NC , NE , NM , OH , OK , SC , TN , TX , VA , WV
Native Habitat: Near lakes or ponds, Stream, river banks

Growing Conditions

Water Use: Medium
Light Requirement: Part Shade
Soil Moisture: Moist
Soil Description: Limestone-based, Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay


Use Ornamental: Perennial garden, Bog or pond area, Showy, Blooms ornamental
Conspicuous Flowers: yes


Propagation Material: Seeds


Bibref 318 - Native Texas Plants: Landscaping Region by Region (2002) Wasowski, S. & A. Wasowski
Bibref 248 - Texas Wildflowers: A Field Guide (1984) Loughmiller, C. & L. Loughmiller

Search More Titles in Bibliography

Web Reference

Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Physostegia virginiana ssp. praemorsa in USDA Plants
FNA: Find Physostegia virginiana ssp. praemorsa in the Flora of North America (if available)
Google: Search Google for Physostegia virginiana ssp. praemorsa


Record Modified: 2023-02-23
Research By: TWC Staff

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