In a trimorphic flower such as Lythrum salicaria there are six possible legitimate unions and twelve illegitimate (see fig. [Please select]
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We shall clearly understand why monoecious and dioecious,--why dichogamous, dimorphic and trimorphic plants exist, and many other such cases. [Please select]
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With trimorphic species six unions are legitimate, or fully fertile, and twelve are illegitimate, or more or less infertile. [Please select]
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It is possible to raise from dimorphic species, both long-styled and short-styled illegitimate plants, and from trimorphic plants all three illegitimate forms. [Please select]
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We shall clearly understand why monoecious and dioecious,--why dimorphic and trimorphic plants exist, and many other such cases. [Please select]
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With trimorphic species six unions are legitimate or fully fertile, and twelve are illegitimate or more or less infertile. [Please select]
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Dimorphic and trimorphic plants, though they are hermaphrodites, must be reciprocally crossed, one set of forms by the other, in order to be fully fertile, and in some cases to be fertile in any degree. [Please select]
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