Ballota nigra subsp. foetida Hayek

Black Horehound

Prodr. Fl. Penins. Balcan. 2: 278 (1929) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Sparingly established

Perennial to 2 m high; branches moderately to densely hairy with short decurved simple hairs and dull sessile glands. Leaves broad-ovate or -elliptic, c. 2–8 cm long, 1–6 cm wide, surfaces discolorous, with scattered spreading to subappressed hairs, apex obtuse, base cuneate, truncate or cordate, margin crenate-serrate; petiole to 4 cm long. Inflorescences usually with 6–10 flowers per axil; bracteoles linear, c. 6–9 mm long. Calyx 7–13 mm long, distally expanded, hairy; lobes 1.5–2.5 mm long, triangular-ovate, with mucro c. 0.5 mm long; corolla 12–15 mm long, lilac to pink, rarely white, tube subequal to calyx, abaxial lip c. glabrous, adaxial lip shortly hirsute, shallowly emarginate.  Flowers Jan.–Apr.

*VVP. Native to western and central Europe. Known in Victoria from only 2 near-coastal collections (Coode Island 1892, and Williamstown 1950), and possibly no longer truly naturalised in the State.

Source: Conn, B.J. (1999). Lamiaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Updated by: Daniel Ohlsen, 2017-06-29
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Lamiales
family Lamiaceae
genus Ballota
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Ballota nigra subsp. foetida in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Ballota nigra subsp. foetida in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present introduced

State distribution

Distribution map
New South Wales