Solanum rostratum is an annual herb to 1 m tall, hairy, most parts yellow-spiny to 1 cm long.
Leaves alternate, deeply pinnately lobed, segments also sometimes lobed, tips rounded.
Flowers pale yellow, to 3 cm wide, anthers five, four, yellow, one purplish, longer much than other four; calyx spiny, enclosing fruit.
Fruit fleshy, very spiny; blooming and fruiting July-Oct.
Wetland status: UPL.
Frequency in NYC: Very infrequent.
Origin: Western USA, Great plains.
Habitat: Dry, open soil.