Flower color, main | Fruit color | Glochids present | Range | Spine color | Spine length in cm | Spine number per areole | Stem segment bearing spines | Stem segment length in cm | Trunk

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Number scored for a state is in green.

1. Stem segment bearing spines

15No, essentially spineless    37Yes, evenly distributed    18Yes, in distal areoles   




2. Flower color, main

60Red, pink    6White    153Yellow, orange   




3. Fruit color

46Blue/purple    11Brown/maroon    21Green    74Red/pink    1White    16Yellow/orange   







4. Trunk

111Absent    44Present   



5. Glochids present

5No    3Yes   



6. Spine number per areole

39Under 1    841    1092    1083    834    715    576    397    308    199    1710    17Over 10   

7. Spine color

17Black    43Brown    16Gray    1Pink    22Red    72White    63Yellow   

8. Spine length in cm

15Under 1    431    692    673    534    345    286    127    88    39    510    112    113   

9. Stem segment length in cm

3Under 1    41    82    113    154    255    296    387    428    399    6010    5411    5612    5713    5714    7615    7016    7117    7018    7119    8520    7421-28    3929    4330    2631-38    1939    1840    10Over 40   

10. Range

3Canada    20Caribbean    1Guatemala    84Mexico    75South America    47United States