Botanical name: Solanum chacoense    Family: Solanaceae (Potato family)

Chaco Potato is a herb 0.5-2 m tall, erect. Stems are 3.5-10 mm in diameter at base of plant, green to purple or green and purple mottled, hairless to densely short velvet-hairy; tubers typically borne singly at the end of each runner. Leaves are odd-pinnate, the blades 10-39 x 6-24 cm, green, membranous to papery, lateral leaflet pairs 4-7. Flowers are borne in 2-15 cm long clusters at branch-ends, with 8-25 flowers. Flowers are 1.6-3.7 cm in diameter, deeply star-shaped to pentagonal, pure white to creamy yellow-white above and below, the tube 1-2 mm long. Stamen filaments re 1-2 mm long; anthers 5-7 mm long, lanceshaped. Fruit is spherical to slightly ovoid, 1.5-2 cm in diameter, green to green with purple streaks when ripe, often with scattered white dots, hairless. Chaco Potato is native to S. Peru to Brazil, becoming fast naturalized in various places across the world, including Western Himalaya.

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The flower labeled Chaco Potato is ...