Warnockia M.W.Turner

First published in Pl. Syst. Evol. 203: 78 (1996)
This genus is accepted
The native range of this genus is Central U.S.A. to NE. Mexico.

Descriptions

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
Annual herbs, with simple hairs
Morphology Leaves
Leaves glabrate, upper amplexicaul, lower usually petiolate
Morphology Reproductive morphology Inflorescences
Inflorescence racemoid, flowers short-pedicellate
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles absent
Morphology Reproductive morphology Flowers Calyx
Calyx 2-lipped, 5-lobed (3/2), gaping at anthesis, becoming closed by anterior lip in fruit
Morphology Reproductive morphology Flowers Corolla
Corolla 2-lipped, 4-lobed (1/3), mostly reddish lavender but median lobe of anterior lip white, posterior lip shallowly hooded, entire, tube exannulate, with a low hump intruded on lower side near throat
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, filaments villous, apically inward-geniculate, thecae divergent, not confluent, inner theca often larger than outer one, suture bordered with 2-4 (-6) small teeth
Morphology Reproductive morphology Flowers Disc
Disc with abaxial lobe surpassing ovary
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes equal to slightly unequal
Morphology Reproductive morphology Fruits
Nutlets trigonous, rounded at apex, glabrous, smooth or sometimes slightly verrucate towards base.
Note
2n = 20.  One species: W. scutellarioides (Engelm. & A. Gray) M.W. Turner
Ecology
Calcareous soils
Distribution
United States (Texas, Oklahoma) and northwestern Mexico.
[LKGF]

Sources

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. 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