অ সপুষ্পক উদ্ভিদের একটি sporophyll যে শুধুমাত্র megasporangia bears মধ্যে

megasporophylls's Usage Examples:

microphylls or megaphylls) bear either megasporangia and thus are called megasporophylls, or microsporangia and are called microsporophylls.

particular, the ovulate ('female') cone has very large ovules attached to megasporophylls that are held in a lax rosette rather than in the tight cone found.

sporangia-bearing leaves are distinguished as either microsporophylls or megasporophylls.

The leaves are affiliated with Umkomasia feistmantellii megasporophylls and Petruchus barrealensis microsporophylls.

In her 1915 dissertation, she studied the vascular anatomy of the megasporophylls of conifers.

The female's megasporophylls are about 30 cm long, fleshy, brown and densely hairy, with the fertile.

This group is characterized by relatively flat strobili and large megasporophylls which occur in the same plane as the lateral leaves.

recurved margins; its long, slender microsporangiate cones; and its long megasporophylls with long, sterile apices.

The lateral organs of seed strobili are megasporophylls (modified leaves) that bear two to several marginal ovules.

Females possess clusters of ovules situated on modified leaves called megasporophylls.

Like the male microsporophylls, the female megasporophylls are cylindrically arranged around the axis.

The top of the cone carries microsporophylls, the lower part megasporophylls, and both types may intercallated midlength.

The ovulate cones are composed of overlapping, yellow, hairy megasporophylls, each 29—32 centimeters long, with 5-13 marginal teeth per side, and.

phylogenetically derived from ovule-bearing leaves or leaf homologues (megasporophylls), which evolved to form a closed structure containing the ovules.

"Isoetalean megasporophylls with megaspores from the Upper Cretaceous of Mongolia" (PDF).

bearing pollen cones (strobilus) and the females bearing groups of megasporophylls.

Cycas media megasporophylls with nearly-mature seeds on a wild plant in north Queensland, Australia.

The shields of the megasporophylls are pyramidal shaped, with flattened facets.

megasporophylls's Meaning':

in non-flowering plants a sporophyll that bears only megasporangia