Plant: perennial herb; Tufted, woody at base, mostly glabrous; STEM clumps to 40 cm high, the angles thick Leaves: 4 per node, mostly less than 1 cm long, usually linear, sometimes ovate, apices sharp, the margins thick and pale Flowers: perfect, solitary at nodes or on several-flowered branchlets, each sessile in a 4-leaved involucre; corollas rotate, the lobes ovate, spreading, greenish or white Fruit: FRUITS granulate or tuberculate, not hairy Misc: Along streams; moist places in pine-oak forests, chaparral, grasslands; 750-2300 m (2400-7500 ft); Mar-Dec REFERENCES: Dempster, Lauramay T. 1995. Rubiaceae. J. Ariz. – Nev. Sci. 29(l): 29.