Dodecatheon Hendersonii, Gray. About a foot high, glabrous, deep green: lvs. small, obovate or elliptic, 1 in. or more long, narrowed to a short petiole: fls. rather few; calyx- lobes triangular, acuminate, twice exceeding the tube; corolla-lobes dark purple with a yellow base, the staminal tube dark purple; anthers oblong, obtuse, short- apiculate; connective-body deep purple: caps, ovoid, much exceeding the calyx, dehiscent by a circumscissile apex and splitting into 10 valves. Calif. to Wash. G. 33:391.