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Subfamily

VI. Subfam. Lamioideae Harley (2003)

Subfam. Stachyoideae (Dumort.) Luerss. (1882); Briq. in Engl. & Prantl (1895) et auct. mult., p.p., typ. incl.

Subfam. Prasioideae (Benth.) Thomé (1889)

Subfam. Pogostemonoideae P.D. Cantino, Harley & Wagstaff in Harley & Reynolds (1992).

Description

Annual herbs, with simple hairs; leaves glabrate, upper amplexicaul, lower usually petiolate; inflorescence racemoid, flowers short-pedicellate; bracteoles absent; calyx 2-lipped, 5-lobed (3/2), gaping at anthesis, becoming closed by anterior lip in fruit; 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; 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; disc with abaxial lobe surpassing ovary; stigma-lobes equal to slightly unequal; nutlets trigonous, rounded at apex, glabrous, smooth or sometimes slightly verrucate towards base.  2n = 20.  One sp., W. scutellarioides (Engelm. & A. Gray) M.W. Turner, calcareous soils, United States (Texas, Oklahoma) and northwestern Mexico.

Distribution

Native to:

74 North-Central U.S.A.
77 South-Central U.S.A.
79 Mexico

Publication

Warnockia M. W. Turner, Pl. Syst. Evol. 203: 78 (1996).

Image resource

© Royal Botanic Gardens, Kew

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