Black Locust, Acacia, False Acacia
Robinia pseudoacacia
Synonyms: Robinia pseudo-acacia, Robinia pseudoacacia var. pyramidalis, Robinia pseudoacacia var. rectissima
![Close-up of a flower of lack Locust, Acacia, False Acacia: Robinia pseudoacacia (Synonyms: Robinia pseudo-acacia, Robinia pseudoacacia var. pyramidalis, Robinia pseudoacacia var. rectissima)](pseudoacacia/pseudoacacia1d.jpg)
Close-up of the flower of black locust as seen in open coniferous woods north of Spokane, Washington........June 22, 2009.
![Inflorescence of lack Locust, Acacia, False Acacia: Robinia pseudoacacia (Synonyms: Robinia pseudo-acacia, Robinia pseudoacacia var. pyramidalis, Robinia pseudoacacia var. rectissima)](pseudoacacia/pseudoacacia1c.jpg)
Close-up of the inflorescence of black locust as seen in open coniferous woods north of Spokane, Washington........June 22, 2009.
- ![lack Locust, Acacia, False Acacia: Robinia pseudoacacia (Synonyms: Robinia pseudo-acacia, Robinia pseudoacacia var. pyramidalis, Robinia pseudoacacia var. rectissima)](pseudoacacia/pseudoacacia1b.jpg)
Views of a pinnately compound leaf and the straight thorns and habitat of black locust as seen in open coniferous woods north of Spokane, Washington........June 22, 2009.
![lack Locust, Acacia, False Acacia: Robinia pseudoacacia (Synonyms: Robinia pseudo-acacia, Robinia pseudoacacia var. pyramidalis, Robinia pseudoacacia var. rectissima)](pseudoacacia/pseudoacacia2a.jpg)
A black locust blooming along the valley trail about one and one-half miles uphill to the northwest of the Painted Rocks trailhead, Little Spokane River Natural Area........July 5, 2011.
Paul Slichter