Plant: Perennial, monoecious vine with thick root; stems spreading Leaves: herbage harshly appressed pubescent Flowers: flowers large, yellow Fruit: gourd-like, hardshelled. Notes: Corollas campanulate.Fruit a pepo, gourd.Hairs on leaf surface harshly-appressed, white pubescent. References: Kearney & Peebles; Arizona Flora. McDougall; Seed plants of Northern Arizona. ASU specimans.