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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 shrubs, subshrubs, and annual herbs, strongly aromatic
Morphology Leaves
Leaves opposite, sessile or subsessile, linear to narrowly oblanceolate, oblong or lanceolate, usually entire
Morphology Reproductive morphology Inflorescences
Inflorescence of axillary cymes, merging to form a terminal thyrse (or rarely the cymes reduced to solitary flowers)
Morphology Reproductive morphology Flowers Calyx
Calyx 2-lipped, not accrescent, tubular-campanulate, 13-nerved, posterior lip broadly rounded, truncate or minutely 2-3-toothed, anterior lip triangular, 2-toothed, both lips somewhat upcurved, throat hairy
Morphology Reproductive morphology Flowers Corolla
Corolla white to reddish purple, 2-lipped, of two distinct types: (a) tube infundibular, ± anteriorly geniculate, with 2-lobed palate in throat, posterior lip emarginate, nearly flat; or (b) tube subcylindrical, straight to gently downcurved, without pala
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, didynamous, declinate and exserted in type 'a' corolla, or parallel and included under posterior lip in type 'b' corolla, filaments glabrous, thecae broadly ovoid with apical appendage, divergent, separate at dehiscence, suture short (almost po
Morphology Reproductive morphology Flowers Gynoecium Style
Style hirtellous, stigma-lobes equal or unequal
Morphology Reproductive morphology Flowers Disc
Disc ± symmetrical
Morphology Reproductive morphology Fruits
Nutlets ovoid, smooth, glabrous.
Note
2n = 32, 48.  Eight to nine species. Two sections are recognized: Stamens exserted, declinate; upper lip of corolla flat: sect. Dicerandra.  Stamens included under galeate upper lip: sect. Lecontea Huck.
Ecology
Oak and pine-oak woodlands
Distribution
Southeastern United States.

Native to:

Alabama, Florida, Georgia, South Carolina

Dicerandra Benth. appears in other Kew resources:

First published in Edwards's Bot. Reg. 15: t. 1300 (1830)

Accepted by

  • 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

  • Ceranthera Elliott, Sketch Bot. S. Carolina 2: 93 (1821), nom. illeg., non P. Beauv. (1808).
  • Dicerandra Benth., Edward's Bot. Reg. 15: sub t. 1300 (1830)
  • 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
  • Huck, Phanerog. Monogr. 19: 1-343 (1987), rev.

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