Class
Order
Family
Annual herbs. Lvs alternate, simple, entire to serrate or lobed. Capitula unisexual, sessile or shortly pedunculate, solitary, terminal and in panicles or racemes, or clustered in axils. ♂ capitula ± globose; involucral bracts in 1 row; receptacle conic; scales present; corolla tubular. ♀ capitula ovoid; involucral bracts in 2 rows, the outer small and free, the inner connate, prickly and ending in 1–2 beaks containing the 2 florets; corolla 0. Achenes all similar, ovoid, enclosed within the expanded prickly involucre; pappus 0.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]
Category | Number |
---|---|
Exotic: Fully Naturalised | 2 |
Total | 2 |