Santa Maria, Hinojo Herb, usually to 1.5 m tall, glabrous except for sparse to dense short white trichomes on veins of blade, especially below. Petioles 9-22 cm long, the sheaths prominent; blades peltate ca one-third from base, suborbicular, short-acuminate, cordate at base, to 28 cm diam, whitish below with minute, dense, glandular dots, the major veins usually 9-15, palmate. Spikes several on an axillary stalk to 10 cm long; peduncles to 15 mm long; bracts triangular to round, prominently white-ciliate. Fruits small, obpyramidal, sharply 3-sided, truncate; stigmas 3. Croat 4051. Abundant locally in the Laboratory Clearing and occasionally growing along trails. An exceedingly weedy plant showing little seasonal variation in flowering.