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a sporangium containing microspores, as the pollen sac of the anther in seed plants. Origin: ModL.

Microsporangia is described in multiple online sources, as addition to our editors' articles, see section below for printable documents, Microsporangia books and related discussion.

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Histological structure of the microsporangia, microsporogenesis and
Histological structure of the microsporangia, microsporogenesis and development of the male gametophyte in Nepeta cataria (Lamiaceae).
Further Trial to Get Another Male Ginkgo Tree with Microsporangia
Ecology of microsporangium dehiscence and pollen flow in
Dec 10, 2003 factors on microsporangium protrusion.
microsporangium of cycads as possible, and especially to discover whether the archesporium is several-celled, as indicated by previous investigations.
Microsporangia (Male gametophyte) grows within the ovule, motile sperm released after several months, sometimes after the seed has fallen.

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Ginkgo biloba is a beautiful, iconic tree
Male plants produce small pollen cones with sporophylls, each bearing two microsporangia spirally arranged around a central axis. Female plants do not produce cones.

Suggested Web Resources

Microsporangia - Wikipedia, the free encyclopedia
Microsporangium is a sporangium that produces spores that give rise to male gametophytes.
Sporangium - Wikipedia, the free encyclopedia
microsporangia - definition of microsporangia by the Free Online
Wikipedia encyclopedia ? microsporangium. (redirected from microsporangia).
Seed Plants
The photograph below is a cross section of a pine microsporangium. The arrow points to a single microgametophyte (pollen grain).
microsporangium (plant anatomy) -- Britannica Online Encyclopedia
Eventually the sporophyte produces sporangia, which bear sporocytes ( meiocytes) that undergo meiosis to form spores.

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