| NOT All Of [plants perennial, leaves linear,
corolla-tube pubescent externally] |
| annuals; NOT [perennials] |
| peduncles and leaves more or less silky-woolly; NOT
[peduncles and leaves glabrous or hairy, but not silky-woolly] |
| plants with all leaves basal; NOT [plants with stem
leaves opposite or whorled] |
| leaves linear; NOT [leaves lanceolate to ovate],
NOT [leaves filiform] |
| leaves greater than 1 mm wide but rarely over 5 mm
wide; NOT [leaves about 1 mm wide], NOT [leaves rarely less than 10 mm
wide] |
| leaves all entire, or distantly and shallowly
toothed; NOT [leaves coarsely toothed to pinnately lobed] |
| corolla-lobes spreading or reflexed; NOT [corolla
lobes often erect] |
| corolla-lobes about 2 mm long; NOT [corolla lobes
0.5-1.0 mm long] |
| stamens 4; NOT [stamens 2] |