Burr-weed
Pupalia lappacea
Rocky hillside in seasonally dry habitat near Voi, Africa. 28 May 2017.
HERBACEOUS: Many herbaceous stems up to 70cm long from a tough, woody crown.
FLOWERS: The flowers are small, green and spaced at regular intervals along the slender spikes.
LEAVES: Leaves are elliptical.
RANGE: This plant is native to tropical Africa but is also encountered in other tropical regions through human-caused dispersal.
FRUIT: One seed within each dry seed capsule and this enclosed in a barb-studded pair of bracts..
ARMED. The seed burrs are sharp and will stick to fur or clothing.