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Sporophyte information


Diagram showing the alternation of generations between a diploid sporophyte (bottom) and a haploid gametophyte (top)

A sporophyte (/ˈspɔːr.əˌft/) is the diploid multicellular stage in the life cycle of a plant or alga which produces asexual spores. This stage alternates with a multicellular haploid gametophyte phase.

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Sporophyte

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A sporophyte (/ˈspɔːr.əˌfaɪt/) is the diploid multicellular stage in the life cycle of a plant or alga which produces asexual spores. This stage alternates...

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Alternation of generations

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gametophyte – alternates with a diploid asexual phase – the sporophyte. A mature sporophyte produces haploid spores by meiosis, a process which reduces...

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Fern

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conduct water and nutrients and in having life cycles in which the branched sporophyte is the dominant phase. Ferns have complex leaves called megaphylls, that...

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Dioecy

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produced by the sporophyte's stamens, and the female gametophytes develop within ovules produced by the sporophyte's carpels. The sporophyte generation of...

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Bryophyte

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life cycles are dominated by a multicellular gametophyte stage Their sporophytes are unbranched They do not have a true vascular tissue containing lignin...

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Spore

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unicellular and are produced by meiosis in the sporangium of a diploid sporophyte. In some rare cases, diploid spore is also produced in some algae, or...

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Plant reproductive morphology

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lifecycles involving alternation of generations. One generation, the sporophyte, gives rise to the next generation, the gametophyte asexually via spores...

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Gametophyte

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multicellular organism, the second stage in the life cycle known as the sporophyte. The sporophyte can produce haploid spores by meiosis that on germination produce...

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Chondrus crispus

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carposporophyte, which forms carpospores, which develops into the sporophyte. The sporophyte then undergoes meiosis to produce haploid tetraspores (which can...

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Embryophyte

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derives from their innovative characteristic of nurturing the young embryo sporophyte during the early stages of its multicellular development within the tissues...

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Moss

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vascular plants. Mosses do not have seeds and after fertilisation develop sporophytes with unbranched stalks topped with single capsules containing spores...

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Egg cell

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an embryo, which will grow into a new diploid individual, known as a sporophyte. In seed plants, a structure called the ovule contains the female gametophyte...

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Pteridophyte

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alternating, free-living gametophyte and sporophyte phases that are independent at maturity. The body of the sporophyte is well differentiated into roots, stem...

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Botany

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embryophytes, known as the gametophyte, nurtures the developing diploid embryo sporophyte within its tissues for at least part of its life, even in the seed plants...

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Gymnosperm

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lifecycles involve alternation of generations. They have a dominant diploid sporophyte phase and a reduced haploid gametophyte phase which is dependent on the...

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Marchantiophyta

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have a gametophyte-dominant life cycle, with the sporophyte dependent on the gametophyte. The sporophyte of many liverworts are non-photosynthetic, but...

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Sporangium

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which releases spores. In mosses, liverworts and hornworts, an unbranched sporophyte produces a single sporangium, which may be quite complex morphologically...

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Hornwort

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common name refers to the elongated horn-like structure, which is the sporophyte. As in mosses and liverworts, hornworts have a gametophyte-dominant life...

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Glossary of plant morphology

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which is the diploid multicellular phase. The embryo develops into the sporophyte, which at maturity produces haploid spores, which germinate to produce...

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Laminaria

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its sporophyte phase, a structure composed of the holdfast, the stipe, and the blades. While it spends its time predominately in the sporophyte phase...

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Vascular plant

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small sizes. In vascular plants, the principal generation or phase is the sporophyte, which produces spores and is diploid (having two sets of chromosomes...

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Marchantia

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zygote and develops into a small sporophyte plant, which remains attached to the larger gametophyte plant. The sporophyte produces spores which develop into...

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Polytrichastrum formosum

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other mosses. The diploid sporophyte generation of P. formosum matures in early summer and is short-lived. The solitary sporophyte grows out of the female...

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Plant reproduction

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which develops by mitotic cell divisions into a multicellular sporophyte. The mature sporophyte produces spores by meiosis, sometimes referred to as reduction...

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Onoclea sensibilis

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reproduction; its sporophyte generation matures in autumn, casts its spores in the spring and the gametophyte generation follows. Sporophytes require 5–10...

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Plant

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lifecycles involving alternation of generations. One generation, the sporophyte, which is diploid (with 2 sets of chromosomes), gives rise to the next...

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Takakia ceratophylla

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responsible for transferring nutrients from the gametophyte toward the sporophyte. And a well-defined conducting strand that contains hydroids continues...

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Tetraphis pellucida

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Tetraphis. Its name refers to its four large peristome teeth found on the sporophyte capsule. Tetraphis pellucida occurs almost exclusively on rotten stumps...

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