The parameters in the Primary flowers and Secondary flowers sections describe how flowers are created, grow, and are drawn. This explanation covers both primary (female or hermaphroditic) and secondary (male) flowers. 

Petal 3D object, scale, rotations, colors

See the section on A common suite of parameters for drawing 3D objectsA_common_suite_of_parameters_for_drawing_3D_objects.

Optimal biomass, Minimum fraction of optimal biomass needed to open/set fruit, Minimum/maximum days to grow

See the section on A common suite of parameters for growthA_common_suite_of_parameters_for_growth>second. 

Minimum days before fruit can be set (primary flowers only)

This parameter is included mainly for situations where you want to see flowers but not fruits on your plant. This is the number of days from the first creation of the flower before it can be allowed to develop into a fruit. If you want to see fruits on your plant, you should keep this number small so it doesn’t limit fruit formation (say 3-5 days). If you don’t want to see fruits, make this number large (say 100 days).

Days until drop (for primary flowers: if fruit not set)

If you would like your flowers to eventually drop off the plant, you can set this parameter to make them disappear some number of days after opening. If you want the flowers to stay on the plant through the rest of its life cycle, set this to a high number.

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