This conglomeration of shapes and colors is a cluster of sporangia – known as a sorus – of a fern. A sporangium is where a fern produces the spores that allow it to reproduce. Get a closer view of the ...

Numerous sporangia of Horneophyton lignieri from the Rhynie Chert locality in Scotland have been studied. The sporangia are branched, with two to four columellate lobes of varying length, and a ...

ALTHOUGH ferns have in a few instances shown some irregularities in the development of the haploid and diploid generation, such as appertain to apogamy and apospory, there has so far been little ...

THESE glowing orbs harbour the progeny of a strange life form. Their goal? To propel that progeny as far away as possible so it can conquer new habitats. An explosive launch will eventually help them ...

The photo shows zoospores that were just released from a sporangia (empty) by one of most frequently recovered Phytophthora species in irrigation systems. Zoospores are motile and the principal ...

International Journal of Plant Sciences, Vol. 166, No. 1 (January 2005), pp. 135-144 (10 pages) The discovery of a partially permineralized strobilus of Discinites sinensis Wang from the Early Permian ...

IT is known that a number of potato varieties which appear immune to wart disease (Synchytrium endobioticum) in the field develop incipient and transitory infections under the more intensive infection ...