Plant: annual herb; to 30 cm high, erect or ascending, simple or branching at base, glabrous to hairy Leaves: 4 per node, 3-9 mm long, the lower petiolate and spatulate, the upper linear to ovate-obovate and more or less sessile, remote on stem Flowers: perfect, minute, 1-several on short branches from most nodes, usually hidden, the pedicels very short; corolla smaller than ovary, the lobes erect, rounded at apices, white Fruit: strongly downturned from a pair of erect leaves; mericarps kidney-shaped with many long uncinate hairs Misc: Moist places along streambeds and edge of washes; rocky n-facing slopes; grassy areas; in open or under shrubs or trees; 450-1600 m (1500-5300 ft); Dec-Jun REFERENCES: Dempster, Lauramay T. 1995. Rubiaceae. J. Ariz. – Nev. Sci. 29(l): 29.