Notes: Herbage and stems can be purple.Styles papillose. Racemes with 6-many staminate flowers and one pistillate flower. Staminate above and pistallate below.Staminate flowers with 3-5 sepal lobes, pistallate 6-lobed.Pubescence on leaves consists of long, simple, stinging hairs.Seeds spherical.

References: Kearney & Peebles; Arizona Flora. McDougall; Seed plants of Northern Arizona. ASU specimans