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This genus is accepted, and its native range is California, NW. Mexico.

[LKGF]

Nina Davies, Gemma Bramley & Don Kirkup, Royal Botanic Gardens, Kew

Morphology General Habit
Annual herbs, aromatic
Morphology Leaves
Petiolate, coarsely toothed to subentire; inflorescence of verticillasters with cymes 3-5-flowered, in the axils of bracts, in a terminal, congested or interrupted spiciform thyrse
Morphology Reproductive morphology Inflorescences Bracts
Leaf-like, toothed and often apically spinose
Morphology Reproductive morphology Inflorescences Bracteoles
Conspicuous, 2 per cyme, broadly ovate to rotund, spinose-dentate, subsessile, green or straw-coloured, equalling or overtopping calyx
Morphology Reproductive morphology Fruits Fruiting calyx
2-lipped, 5-lobed (3/2), lobes subequal, triangular-lanceolate, spinose-tipped, posterior lip longer than anterior with shallower sinus between teeth, tube 13-nerved, cylindrical-campanulate, exannulate within
Morphology Reproductive morphology Flowers Corolla
White or pink, 2-lipped, 4-5-lobed (1-2/3), posterior lip concave, erect, anterior lip usually longer, broad, spreading, median lobe longer than laterals, often emarginate, tube narrowly cylindrical, equalling to long-exserted from calyx
Morphology Reproductive morphology Flowers Androecium Stamens
4, didynamous with posterior pair shorter, or 2 and then posterior pair staminodal, anterior pair ascending, included under posterior corolla lip, filaments glabrous, thecae divergent, distinct, sometimes unequal, glabrous or hairy, connective apparent
Disc
Symmetrical; style hairy to glabrous
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes unequal, subulate, posterior shorter
Morphology Reproductive morphology Fruits
Nutlets obovoid-oblong, smooth, mucilaginous. 2n = 19
Distribution
Four species , U.S.A. (California), one extending into Mexico (Baja California)
Ecology
Open areas in rocky or clay soils

Native to:

California, Mexico Northwest

Acanthomintha (A.Gray) A.Gray appears in other Kew resources:

First published in Syn. Fl. N. Amer. 2(1): 365 (1878)

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.
  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

Literature

Lamiaceae Key Genus Fact Sheets

  • 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
  • Jokerst, Madroño 38: 278-286 (1991), rev.
  • Gray, Syn. Fl. N. Amer. 2, 1: 365 (1878)
  • Acanthomintha (A. Gray) Benth. & Hook. f., Gen. Pl. 2, 2: 1192 (1876)

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