Plant: Subshrub < 40 cm, with slender, sometimes twining, tangled branches Leaves: leaves opposite, narrow, with dolabriform hairs (affixed at the middle and branching) Flowers: flowers clawed, petals yellow Fruit: a pair (sometimes 3) samaras, tinged red. Notes: flowers have 8-10 oil glands below calyx References: Kearney & Peebles. Arizona Flora.W.B. McDougal. Seed plants of Northern Arizona.ASU specimens.