*SHOW ~ Character list.

*CHARACTER LIST
#1. petal color/
       1. A-white, creamy white, pink, purplish, violet, red, pale blue or
          green/
       2. B-distinctly yellow/

#2. calyx teeth: size and shape/
       1. C-obsolete/
       2. D-small and triangular/
       3. E-large, lanceolate or subulate/

#3. basal or lower cauline leaves: division/
       1. F-simple, entire or toothed/
       2. G-lobed, ternate or palmate/
       3. H-1-pinnate or pinnatisect/
       4. I  2-pinnate, 2-ternate, or 2-pinnatisect or more/

#4. fruit length: width/
       1. J-length more than 3 x width/
       2. K-length less than 3 x width/

#5. fruit surface/
       1. L-ornamented with hairs or spines, bristles, scales or papillae/
       2. M-glabrous, smooth, ribbed or ribs developed into wavy wings/

#6. fruit mericarps/
       1. N-strongly compressed, thickness (excluding wings) less than 1/3 x
          width in cross section/
       2. O-not strongly compressed, thickness more than 1/3 x width (excluding
          wings)/

#7. bracteoles division/
       1. P-simple, entire/
       2. Q-pinnately divided or lobed/
       3. R-absent/

#8. vittae arrangement/
       1. S-1 in every furrow/
       2. T-more than 1 in at least some furrows/
       3. U-absent or obscure/

#9. stem base (caudex)/
       1. V-clothed in fibrous remnant leaf sheaths, often densely so/
       2. W-clothed in papery remnant leaf sheaths/
       3. X-naked, remnant sheaths absent/

#10. life history/
       1. Y-annual/
       2. Z-biennial or perennial/