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Cucumbers, like most cucurbit plants, produce separate male and female flowers on the same plant. S1). Like other cucurbits, cucumber is a highly cross-pollinated crop and requires an isolation distance of 500 m between varieties and 1000 m between hybrids to produce genetically pure seed. With monoecious plant species, each plant has some flowers with stamens and some flowers with pistils. Several Cucurbitaceae species, including cucumber and melon, show different sexual morphs (fig. Dioecious definition is - having male reproductive organs in one individual and female in another. Out of some 800 species investigated, 460 are monoecious and 340 are dioecious, and there have been numerous shifts between monoecy and dioecy . The distinction between monoecious cannabis and dioecious cannabis is therefore essential. Around 90% of the plant species are bisexual or called as `perfect' flowers; these hermaphrodites are both staminate (with stamens or male parts) and pistillate (with … The dioecious plant, or in its "natural" version. Dioecious reproduction is biparental reproduction. Dioecious plants are those with distinct male and female plants. The Prefixes Tell the Story . The banana is an example of a monoecious plant with male and female flowers. Example: Cucurbit, Chara and Coconut. Unisexual plants are known as dioecious plants which do not have the female and male flowers on the one plant. Example: Date palm, Papaya, and Marchantia. Monoecious Plant Types and Examples. Amaranth, an edible grain grown widely in Africa, is dioecious. A dioecious plant has either male or female flowers, not both. Two notable exceptions are common crops in different parts of the world. For dioecious plants to reproduce, a male plant must be near a female plant so that pollinators can do their work. Archaeobotanists have long documented the roles of cucurbits in ancient cultures based on remains of fruits, seeds and even leaves (e.g. A monoecious plant can reproduce (that is, bloom and set seed) all on its own. It avoids many inconveniences and unpleasant surprises when a beginner wishes to start self-cultivation. Example of Dioecious Plants The term is commonly used to refer the reproductive behaviour of plants. Related Questions & Answers: Explain Sign Of Emf Using Lenzs Law: Dioecious ornamental flowers are less common than trees, shrubs and vines. In botanical terms, these plants are said to be monoecious. An easy way to remember the meanings of dioecious and monoecious is to look to the Greek prefixes di, which means two, and mono, which means one.With dioecious species, some plants of the species have only the male reproductive organs, or stamens, while other plants of the species have only female reproductive parts, or pistils. 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