"Prostrate silky herbs. Leaves opposite, imparipinnate; leaflets opposite, 4-5 pairs, 1.5 x 0.7 cm, oblong; petiole to 7 mm, petiolule 1 mm, stipules 2-3 in cluster,ff persistent. Flowers axillary, 1 or 2, golden yellow, 2 cm across; pedicels to 3 cm,; sepals 5, 5 mm, linear; petals 5, 7 x 4 mm; stamens 10, filaments dilated at base, disc 10-lobed; ovary 5-lobed, hirsute with bulbous hairs; stigmas 5. Fruit 1 cm across, globose, 5-angled, cocci 5, woody, each with a pair of divaricate spines."
Puncture Vine is typically found at dry sunny sites with scant vegetation; the soil usually contains an abundance of sand or gravel. It forms root nodules with rhizobial bacteria and adds nitrogen to the soil. Range & Habitat