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Physostegia

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Physostegia, the lionshearts[1] or false dragonheads (in reference to their similarity to Dracocephalum), is a genus of flowering plants in the family Lamiaceae, native to North America (United States, Canada, northern Mexico).[2][3] They are erect rhizomatous herbaceous perennials inhabiting damp, sunny places. They grow up to 2 m (7 ft) tall with purple or pink tubular flowers in racemes in summer.[4]

The generic name comes from two Greek words, physa (a bladder) and stege (a covering), referring to the calyx, which becomes full of fruit when mature.[5]

Physostegia virginiana is the most common species, and is known as "obedient plant".

Species[2]
  1. Physostegia angustifolia Fernald - lower Mississippi Valley, southern Great Plains
  2. Physostegia correllii (Lundell) Shinners - Texas, northern Mexico
  3. Physostegia digitalis Small - Texas, Louisiana, Arkansas, Alabama
  4. Physostegia godfreyi P.D.Cantino - Florida Panhandle
  5. Physostegia intermedia (Nutt.) Engelm. & A.Gray - lower Mississippi Valley, southern Great Plains
  6. Physostegia ledinghamii (B.Boivin) P.D.Cantino - Northwest Territories, Alberta, Saskatchewan, Manitoba, North Dakota
  7. Physostegia leptophylla Small - Southeast from Florida to Virginia
  8. Physostegia longisepala P.D.Cantino - Texas, Louisiana
  9. Physostegia parviflora Nutt. ex A.Gray - western Canada (Manitoba to British Columbia), northwestern + north-central United States (Illinois to Washington)
  10. Physostegia pulchella Lundell - eastern Texas
  11. Physostegia purpurea (Walter) S.F.Blake - Southeast from Florida to North Carolina
  12. Physostegia virginiana (L.) Benth. - much of eastern + central US + Canada; northeastern Mexico

References

  1. ^ "Physostegia". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 2 October 2015.
  2. ^ a b Kew World Checklist of Selected Plant Families
  3. ^ Biota of North America Program, 2013 county distribution maps
  4. ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1-4053-3296-4.
  5. ^ Coombes, Allen J. (2012). The A to Z of plant names. USA: Timber Press. pp. 312. ISBN 978-1-60469-196-2.

University of Texas Herbarium

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Physostegia: Brief Summary

provided by wikipedia EN

Physostegia, the lionshearts or false dragonheads (in reference to their similarity to Dracocephalum), is a genus of flowering plants in the family Lamiaceae, native to North America (United States, Canada, northern Mexico). They are erect rhizomatous herbaceous perennials inhabiting damp, sunny places. They grow up to 2 m (7 ft) tall with purple or pink tubular flowers in racemes in summer.

The generic name comes from two Greek words, physa (a bladder) and stege (a covering), referring to the calyx, which becomes full of fruit when mature.

Physostegia virginiana is the most common species, and is known as "obedient plant".

Species Physostegia angustifolia Fernald - lower Mississippi Valley, southern Great Plains Physostegia correllii (Lundell) Shinners - Texas, northern Mexico Physostegia digitalis Small - Texas, Louisiana, Arkansas, Alabama Physostegia godfreyi P.D.Cantino - Florida Panhandle Physostegia intermedia (Nutt.) Engelm. & A.Gray - lower Mississippi Valley, southern Great Plains Physostegia ledinghamii (B.Boivin) P.D.Cantino - Northwest Territories, Alberta, Saskatchewan, Manitoba, North Dakota Physostegia leptophylla Small - Southeast from Florida to Virginia Physostegia longisepala P.D.Cantino - Texas, Louisiana Physostegia parviflora Nutt. ex A.Gray - western Canada (Manitoba to British Columbia), northwestern + north-central United States (Illinois to Washington) Physostegia pulchella Lundell - eastern Texas Physostegia purpurea (Walter) S.F.Blake - Southeast from Florida to North Carolina Physostegia virginiana (L.) Benth. - much of eastern + central US + Canada; northeastern Mexico
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