Mindblown: a blog about philosophy.

Growth form from which the megasporangia of Azolla are produced.  

The larger-sized spores (as opposed to microspores) in heterosporous plants, the spores that produces female gametes. A large spore that germinates to form a female gametophyte.  

The sporangium in which megaspores develop. The structure containing megaspores.  

With a central head and many radiating branches.  

(Anatomical) plates of tissue (usually parenchymatous) radiating through the vascular cylinder from the pith to the cortex. In the kidney, one of many slender processes composed of one or two collecting ducts and other straight tubules that project into the cortex from the bases of renal pyramids.  

(Of hairs or anthers) attached at or near the middle.  

With many small grains, as of flour. Swollen hairs which collectively form a covering resembling cooking meal. Appearing as if covered with coarse meal; (taste) like freshly ground flour. With a floury, whitish texture. The texture of certain comestibles can be described as yielding, desiccated, pulverulent, or disagreeably gritty and friable. Such terminology is often…

(Colour) pale purple.  

(Of a fruit) said when fully grown and ripe, ready to distribute seeds.