Mindblown: a blog about philosophy.

(In palms) a division of a palmate or costapalmate leaf blade; (In ferns) the ultimate segment, i.e. the smallest division, of a compound frond. One of the parts of a leaf, calyx, corolla or perianth. One of the subdivisons of any cleft body. A part of an organ or piece of tissue which is clearly…

Growing spontaneously on agricultural land.  

Juvenile plant recently arisen from the seed.  

Cotyledon. The leaves contained in the seed which are the first to appear when a seedling germinates; they are different from those that follow. Plants are classified according to whether there are one or two. The leaves contained in the seed which are the first to appear when a seedling germinates; they are different from…

The structure produced from a fertilised ovule by which all seed plants reproduce, consisting of an embryo and usually a seed-coat, with endosperm; reproductive part of a fruit; the integumented megasporangium. A stock of a fertilized ovule, consisting of an integument, an enclosed nucellus, the remains of the megagametophyte, the endosperm and the embryo. The…

(Of, for example, leaves on a stem) all directed to the same side.    

Sickle-shaped, narrow and strongly curved with a sharp apex.  

Infrageneric taxonomic rank, used for major divisions of a genus. A part of something. The action of cutting tissue. A cut made in tissue. A slice of tissue cut for examination under a microscope. A part of a document such as an Act of Parliament. The act of cutting (the cut or division made is…

(In an orchid flower) the condition in which soft, granular pollinia are subdivided into small packets, these usually connected by elastic material (Dressler, 1993).