Unknown #40
Unknown # 40

A prolific southern California annual wildflower that competes with weedy grasses and forbs in vacant fields and disturbed areas.

Close-up view of the ovary composed of four one-seeded nutlets. The simple (unbranched style) arises from the gynobase rather than from the apex of the ovary. It is appropriately called a gynobasic style. The calyx is covered by glistening, sharp-pointed, bristly hairs (trichomes).

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