Vascular – Exotic
Herbs - Dicotyledons other than Composites
Erect, glabrous, annual terrestrial herb. Stems hollow, slightly grooved, striate, up to 50 cm high. Basal leaves 3-4 pinnate or ternate, petiolate; ultimate segments linear to filiform, entire, 2-15 mm long; stem leaves similar to basal but 2-3 ternate, shortly petiolate. Umbels 1-3 cm diameter, flowers 5-petalled, 1 mm diameter. Fruit broadly ovoid, 1.5-3 mm long, dark brown; ribs broad, thickened, pale brown. (Webb et al 1988)
July, August, September, October, November, December, January. February
N., C. and S. America
Reproduces by seed.
The seeds are fine balls that have deeply ribbed coverings. These break open when dry and shed their seed. The seed is then dispersed by the wind (Ermert and Clapp 1998).
NZPCN Fact Sheet citation
Please cite as: Ogle, C. (Year at time of access): Cyclospermum leptophyllum Fact Sheet (content continuously updated). New Zealand Plant Conservation Network. https://www.nzpcn.org.nz/flora/species/cyclospermum-leptophyllum/ (Date website was queried)