The kidneywood found in SE Arizona, SW New Mexico and down into Sonora is Eysenhardtia orthocarpa. It’s common in the Mule Mountains around Bisbee...
Western soapberry is Sapindus saponaria var. drummondii and is in the Sapindaceae. In that family there are around twelve species of Sapindus. I say...
Xanthisma gracilis is an annual and found all over the southwest and into Mexico as well. Duh. A common name is slender goldenweed or...