Mature male flower

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Marijuana cannabis sativa sp. Male and female cannabis flowers. Marijuana males flower producing small bell-shaped clusters , that hang down and open releasing the pollen, while females produce tear-shaped calyxes with two pistils - usually white - that group together forming what we call buds. Male and female cannabis plants. Generally, cannabis plants start flowering when nights - dark periods - are longer, which is a sign to show their sex and start blooming. Actually, marijuana plants reach their sexual maturity between weeks after seed germination , regardless of the photoperiod.
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How to distinguish marijuana males from females

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Mature male flower spikes of Common Bulrush Canvas Print • Pixers® - We live to change

Cannabis plants are gendered, or for the botanically-inclined, dioecious. Female plants are particularly prized because they form buds that are rich in cannabinoid content. For most growers, maintaining a crop free of male plants is critical to ensuring that female buds are not pollinated. Like all plants, however, cannabis has an inherent drive to procreate by propagating seeds. One way that the plant achieves this is by herming, when female plants become hermaphrodite to self-pollinate. The tendency to herm means that growers must take extra care to minimize any stressors that may cause the plant to perceive a threat and change its sex. Herming can occur when female plants experience conditions of environmental stress.
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Herming: How female plants turn male

Plant reproductive morphology is the study of the physical form and structure the morphology of those parts of plants directly or indirectly concerned with sexual reproduction. Among all living organisms, flowers , which are the reproductive structures of angiosperms , are the most varied physically and show a correspondingly great diversity in methods of reproduction. The breeding system, or how the sperm from one plant fertilizes the ovum of another, depends on the reproductive morphology, and is the single most important determinant of the genetic structure of nonclonal plant populations. Christian Konrad Sprengel studied the reproduction of flowering plants and for the first time it was understood that the pollination process involved both biotic and abiotic interactions.
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