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This genus is accepted, and its native range is SE. U.S.A.
A specimen from Kew's Herbarium

[LKGF]

Harley, R.M. et al. (2004). Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Springer-Verlag, Berlin, Heidelberg, New York.

Morphology General Habit
Low ericoid shrubs, strongly aromatic, with simple hairs
Morphology Leaves
Leaves sessile to subsessile, linear to spathulate, entire, revolute
Morphology Reproductive morphology Inflorescences
Inflorescence of paired, short-pedunculate, axillary cymes (forming verticillasters), sometimes reduced to solitary flowers
Morphology Reproductive morphology Flowers Calyx
Calyx strongly zygomorphic, not accrescent, tubular-campanulate, 13-nerved, 2-lipped, 5-lobed (3/2), posterior lip shallowly lobed, upcurved, lobes deltoid, anterior lip deeply lobed (or the lobes distinct above the tube, thus not forming an anterior lip)
Morphology Reproductive morphology Flowers Corolla
Corolla white to deep purple, 2-lipped, posterior lip entire or emarginate, anterior lip 3-lobed, median lobe emarginate and sometimes erose, tube upturned in middle (usually sharply so), throat partially blocked by prominent hump on anterior surface
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, didynamous, included to slightly exserted, filaments glabrous, thecae ± parallel, separate at dehiscence, variously pubescent near base and apex, connective rather broad
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma lobes usually equal to subequal
Morphology Reproductive morphology Flowers Disc
Disc symmetrical
Morphology Reproductive morphology Fruits
Nutlets broadly ovoid to obovoid, smooth or minutely reticulate, glabrous.
Note
2n = 24.
Distribution
Six species in the southeastern U.S., most of them rare or narrowly endemic.
Ecology
In sandy soils

Native to:

Alabama, Florida, Kentucky, Mississippi, Tennessee

Conradina A.Gray appears in other Kew resources:

First published in Proc. Amer. Acad. Arts 8: 294 (1870)

Accepted by

  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
  • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Lamiaceae Key Genus Fact Sheets

  • Conradina A. Gray, Proc. Amer. Acad. Arts 8: 294 (1870)
  • Gray, A Monograph of the Genus Conradina, Ph.D. Thesis, Vanderbilt University (1965), rev.
  • Harley RM, Atkins S, Budantsev AL, Cantino PD, Conn BJ, Grayer R, Harley MM, de Kok RPJ, Krestovskaja T, Morales R, Paton AJ, Ryding O, and Upson T. 2004. Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Sp

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Lamiaceae Key Genus Fact Sheets
Nina Davies, Gemma Bramley and Don Kirkup, Royal Botanic Gardens, Kew
http://creativecommons.org/licenses/by/3.0