Classification
Class
Magnoliopsida Brongn.
Order
Asterales Link
Family
Compositae Giseke
 Subordinate Taxa
 Nomenclature
Scientific Name:
Cotula L., Sp. Pl. 891 (1753)
Vernacular Name(s):
Bachelors' buttons
 Description

Annual or perennial herbs, initially taprooted and often rooting at nodes. Lvs simple, entire to 1–2-pinnatisect, opposite or alternate. Capitula terminal, pedunculate; involucral bracts in (1)–2–3 rows, with membranous margins. Receptacle flat to hemispheric; scales 0. Outer florets ♀, in < 1 or 1-several rows; corolla much reduced or 0. Inner florets usually ☿, rarely ♂; corolla tubular or flattened, some outer florets rarely appearing ligulate. Achenes dimorphic: those of ♀ florets broadly winged; those of ☿ florets ribbed; pappus 0.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]

 Biostatus
Indigenous (Non-endemic)
Number of species in New Zealand within Cotula L.
CategoryNumber
Indigenous (Non-endemic)2
Exotic: Casual3
Total5
 Bibliography
Linnaeus, C. 1753: Species Plantarum. Impensis Laurentii Salvii, Stockholm.
Lloyd, D.G. 1972: A revision of the New Zealand, Subantarctic, and South American species of Cotula, section Leptinella. New Zealand Journal of Botany 10: 277–372.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.