Cleome aculeata L.
Linnaeus, C. (1767) Systema Naturae Edn. 12 2: 232. Type: Habitat in America. D. Zaega.
Prickly Spider Flower
Erect annual herb up to 50 cm tall, with prickles on stem.
Pedicels 20-30 mm long, flowers 10-12 mm diam. Calyx lobes about 3 mm long. Corolla lobes 6-7 mm long, clawed, i.e. stalked. Anthers about 2 mm long, filaments about 4 mm long. Pollen yellow. Stamens and ovary seated on a green disk. Ovary about 2 mm long. Stigma sessile. Ovules numerous on each placenta.
Features not available.
A weed of cultivation and agriculture.