CSUBIOWEB FRUIT KEY

Note that this key does not follow all the rules for the construction of keys. 
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1A. FRUITS FLESHY:

        2A. FRUIT SIMPLE (TRUE), DERIVED FROM A FLOWER WITH 1 PISTIL

             3A. 1 SEED ENCLOSED IN BONY ENDOCARP (PIT) - DRUPE - PEACH, CHERRY, PLUM, OLIVE, COCONUT

             3B. MORE THAN 1 SEED:

                  4A. NO BONY, LEATHERY OR PAPERY ENDOCARP  (BERRIES):

                       13A. OVARY SUPERIOR:

                            14A. THIN SKIN - TRUE BERRIES - TOMATO, GRAPE, COFFEE

                            14B. LEATHERY SKIN WITH OILS (CITRUS FAMILY) - HESPERIDIUM - ALL CITRUS FRUITS

                       13B. OVARY INFERIOR, FRUIT WITH RIND (GOURD FAMILY) - PEPO - CUCUMBER, WATERMELON, PUMPKIN, SQUASH 

                  4B. LEATHERY OR PAPERY ENDOCARP, INFERIOR OVARY - POME - APPLE, PEAR

        2B. FRUIT COMPOUND (FALSE), DERIVED FROM MORE THAN 1 PISTIL:

             5A. FRUIT DERIVED FROM 1 FLOWER WITH MORE THAN 1 PISTIL - AGGREGATES - STRAWBERRY, ROSE HIP, RASPBERRY

             5B. FRUIT DERIVED FROM MORE THAN 1 FLOWER - MULTIPLE FRUITS - PINEAPPLE, SWEETGUM, FIG, MULBERRY

   1B. FRUITS DRY:

        6A. INDEHISCENT:

             7A. FRUITS WITH A WING - SAMARA - ASH, MAPLE, TULIP TREE

             7B. FRUITS WITHOUT A WING:

                  8A. WITH A HARD SHELL - NUT - ACORN, MACADAMIA

                  8B. WITHOUT A HARD SHELL:

                       9A. PERICARP FUSED ENTIRELY TO SEEDCOAT (GRASS FAMILY) - CARYOPSIS (GRAIN) - ALL CEREALS

                       9B. PERICARP NOT FUSED ENTIRELY TO SEEDCOAT - ACHENE - SUNFLOWER

        6B. DEHISCENT:

             10A. DERIVED FROM SEVERAL FUSED CARPELS, OPENING BY SLITS, PORES OR A CAP - CAPSULE - COTTON,, POPPY

             10B. DERIVED FROM 1 OR 2 FUSED CARPELS, DEHISCING LENGTHWISE:

                  11A. FRUIT WITH PERSISTENT SEPTUM (REPLUM) (MUSTARD FAMILY):

                       15A. LONG & THIN - SILIQUE - MUSTARD

                       15B. SHORT & FAT - SILICLE - SHEPHERD'S PURSE

                  11B. NO PERSISTENT SEPTUM:

                       12A. DEHISCENT ALONG 1 EDGE - FOLLICLE - MILKWEED, MAGNOLIA

                       12B. DEHISCENT ALONG 2 EDGES (LEGUME FAMILY) - LEGUME - PEANUTS, ALL BEANS

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