Gamochaeta simplicicaulis (Simple-stem cudweed)

Kingdom: Plantae
(Unranked): Angiosperms
(Unranked): Eudicots
(Unranked): Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Gnaphalieae
Genus: Gamochaeta
Species: G. simplicicaulis
Binomial name: Gamochaeta simplicicaulis
Synonym: Gnaphalium simplicicaule
Common name: Simple-stem cudweed

Gamochaeta simplicicaulis which is now naturalized in New Zealand is a weed found in open sites, sandy soil, roadsides, fields, open woods and dunes from Waikato, Bay of Plenty northwards.
It is an annual or biennial weed growing to a height of approximately 0.85 meters. It has simple leaves that are arranged opposite one another. They are oblanceolate with entire margins.
The many-petaled and yellow flowers which are arranged in spikes bloom during summer. The fruits are achenes (a simple dry fruit).

Gamochaeta simplicicaulis.JPG 

Thanks to Wikipedia for text and Information:   http://creativecommons.org/licenses/by-sa/3.0/