1783 tr. C. Linnaeus (1785) I. 259 Hairy stemless, the fructification subradical.
1860 J. Darby 225 Flowers in loose racemes, or solitary on long sub-radical peducles.
1915 J. K. Henry 56 Lower pistillate spikes on subradical peduncles.
2005 60 6 Leaves usually subradical or congested at stem base, rarely with leafy part elongated.