Psidium guajava
Description: arr imgs
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When cultivated from seed, guavas are notable for their extremely slow growth rate for several months, before a very rapid acceleration in growth rate takes over. From seed, common guavas may bloom and set fruit in as few as two years or as many as eight. [[Cutting (plant)|Cuttings]], [[grafting]], and air layering are more commonly used as a propagation method in commercial groves. Highly adaptable, guavas can be easily grown as container plants in temperate regions, though their ability to bloom and set fruit is somewhat less predictable.{{citation needed|date=July 2025}} |
When cultivated from seed, guavas are notable for their extremely slow growth rate for several months, before a very rapid acceleration in growth rate takes over. From seed, common guavas may bloom and set fruit in as few as two years or as many as eight. [[Cutting (plant)|Cuttings]], [[grafting]], and air layering are more commonly used as a propagation method in commercial groves. Highly adaptable, guavas can be easily grown as container plants in temperate regions, though their ability to bloom and set fruit is somewhat less predictable.{{citation needed|date=July 2025}} |
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File:Common guava seedling, 14 months.jpg|Seedling, 14 months |
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File:Honey bee on a Guava flower 3.jpg|Honey bee on a ''P. guajava'' flower |
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File:Folhas de goiabeira (em tupi arasaguasu, 'araçá grande), Psidium guajava.jpg|Leaves |
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File:ARS HPSI47.jpg|''P. guajava'' fruit |
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=== Chemistry === |
=== Chemistry === |
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The leaves of ''P. guajava'' contain the [[morin (flavonol)|flavonol morin]], [[morin-3-O-lyxoside]], [[morin-3-O-arabinoside]], [[quercetin]] and [[quercetin-3-O-arabinoside]].Bacteriostatic effect of flavonoids isolated from leaves of Psidium guajava on fish pathogens. Rattanachaikunsopon Pongsak and Phumkhachorn Parichat, Fitoterapia, 2007, volume 78, number 6, pages 434-436, {{INIST|19087798}} |
The leaves of ''P. guajava'' contain the [[morin (flavonol)|flavonol morin]], [[morin-3-O-lyxoside]], [[morin-3-O-arabinoside]], [[quercetin]] and [[quercetin-3-O-arabinoside]].Bacteriostatic effect of flavonoids isolated from leaves of Psidium guajava on fish pathogens. Rattanachaikunsopon Pongsak and Phumkhachorn Parichat, Fitoterapia, 2007, volume 78, number 6, pages 434-436, {{INIST|19087798}} |
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