Definition of Megasporangia. Meaning of Megasporangia. Synonyms of Megasporangia

- plants there are two kinds of sporangia, termed microsporangia and megasporangia. Sporangia can be terminal (on the tips) or lateral (placed along the...
- spore are produced in different kinds of sporangia, these are called megasporangia and microsporangia. A megaspore often (but not always) develops at the...
- sporophytes produce megaspores and microspores, which develop in the megasporangia and microsporangia. These spores are highly ornate and are the primary...
- inner integument (which is integral to the formation of ovules from megasporangia) has been proposed to be by enclosure of a megasporangium by sterile...
- sporophylls (whether they are microphylls or megaphylls) bear either megasporangia and thus are called megasporophylls, or microsporangia and are called...
- developed from megaspores retained within the spore-producing organs (megasporangia) of the sporophyte, a condition known as endospory. Seeds consist of...
- that produced microspores in microsporangia and megaspores in separate megasporangia evolved independently in several plant groups during the Devonian period...
- placentas, ridges of tissue bearing one or more ovules (integumented megasporangia). The placentas and/or ovule(s) may be born on the gynoecial appendages...
- spores. Toward the center of each sorus and developing first are the megasporangia, each of which will produce a single large female megaspore. Surrounding...
- membranous indusia (sporocarps). They bear sporocarps of two types, either megasporangia that are few in number (approximately 10), each with single megaspore...