Usually perennial, rarely annual, herbs with creeping rhizomes or stolons. Lvs simple, aromatic, usually toothed. Verticels usually dense, many-flowered, axillary or in terminal spikes or heads, or as few as 2 fls per verticel, or rarely fls solitary. Fls ☿ or ♀. Bracts leaflike or reduced. Calyx tubular or campanulate, 10–15-nerved, not gibbous at base, generally hairy inside; teeth (4)–5, equal or unequal. Corolla tube < calyx; limb 4-lobed, subequal and scarcely 2-lipped; upper lobe wider and usually emarginate. Stamens almost equal, divergent or lying together beneath upper corolla lip, generally exserted. Style gynobasic, its branches subequal. Nutlets ellipsoid to suborbicular or ovoid, smooth, reticulate or tuberculate.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]
Category | Number |
---|---|
Indigenous (Endemic) | 1 |
Exotic: Fully Naturalised | 6 |
Total | 7 |