Contains 4 accepted taxa overall.

Characteristics
Stachys L.
HEDGENETTLE
Classification
LAMIALES
Stachys
Citation
STACHYS Linnaeus, Sp. Pl. 580. 1753.
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TYPE: Stachys germanica Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 123. 1913.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Stachys arvensis STAGGERWEED Not Native
Stachys crenata MOUSE'S-EAR; SHADE BETONY Native Endangered-State FACU (NWPL)
Stachys floridana FLORIDA HEDGENETTLE; FLORIDA BETONY Native FAC (NWPL)
Stachys lythroides HYSSOPLEAF HEDGENETTLE Native Endangered-State FACW (NWPL) OBL (DEP)
[Family identification key]
1.  Annual; calyx tube 2-4 mm long; corolla 4-6 mm long
2
1.  Perennial, with rhizomes or tubers; calyx tube 6-7 mm long; corolla 10-13 mm long
3
2.  Calyx (including awns) 6-8 mm long
2.  Calyx (including awns) 3-5 mm long
3.  Most leaves sessile to subsessile, the longest petioles to 4 mm long only on the most basal leaves
3.  Most or all leaves petiolate, the longest petioles to 20 mm long
Genus Synonyms
Synonym Full Citation Basionym Type
Ambleia Ambleia (Bentham) Spach, Hist. Nat. Vég. 9: 166. 1840. BASIONYM: Stachys Linnaeus, sect. Ambleia Bentham, Labiat. Gen. Spec. 558. 1834. TYPE: Non designatus.
Betonica Betonica Linnaeus, Sp. Pl. 573. 1753. TYPE: Betonica officinalis Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 129. 1913.
Eriostemum Eriostemum Hoffmannsegg & Link, Fl. Portug. 1: 105, pl. 7. 1809. TYPE: Non designatus.
Galeopsis Galeopsis Moench, Methodus 397. 1794, non Linnaeus 1753, nec Hill 1756, nec Adanson 1763. TYPE: Galeopsis fusca Moench, nom. illegit. (Stachys alpina Linnaeus)
Galeopsis Galeopsis Hill, Brit. Herb. 359. 1756, non Linnaeus 1753. TYPE: = Stachys Linnaeus 1753.
Olisia Olisia (Dumortier) Spach, Hist. Nat. Vég. 9: 166. 1840. BASIONYM: Unknown. TYPE: Non designatus.
Ortostachys Ortostachys Fourreau, Ann. Soc. Linn. Lyon, ser. 2. 17: 136. 1869. TYPE: Ortostachys recta (Linnaeus) Fourreau (Stachys recta Linnaeus)
Tetrahit Tetrahit Gerard, Fl. Gallo-Prov. 270, 272. 1761. TYPE: Betonica annua Linnaeus Lectotypified by Adanson, Fam. Pl. 2: 190, 620. 1763.
Tetrahitum Tetrahitum Hoffmannsegg & Link, Fl. Portug. 1: 103. 1809. TYPE: Non designatus.
Trixago Trixago Haller, Hist. Stirp. Helv. 1: 101, 231. 1768. TYPE: Trixago cordifolia Moench, nom. illegit. (Stachys arvensis Linnaeus; Trixago arvensis (Linnaeus) Hoffmannsegg & Link
Trixella Trixella Fourreau, Ann. Soc. Linn. Lyon, ser. 2. 17: 135. 1869. TYPE: = Trixago Haller 1768.
Zietenia Zietenia Gleditsch, Syst. Pl. Stamin. Situ 185. 1764. TYPE: Zietenia orientalis Gleditsch