life
cycle - annual, reproducing by seed
stems -
grows as vine, smooth, grooved, corkscrew tendrils, sometimes
with hairy nodes growth
habit 1, growth
habit 2, seedling 1, seedling 2
leaves -
alternate, 5-7 strongly-pointed lobes, small toothed margins
leaves 1, leaves 2
flowers -
6-petaled, yellowish-white; stalked axillary racemes flowers 1, flowers 2
fruits -
pulpy, sharp-pointed spines, spines bendable, 4-seeded fruits
1, fruits
2, mature fruit