Mindblown: a blog about philosophy.

The author of a plant name; cited as such after the plant name, often in a standard abbreviated form. The right to perform or command.  

(In nomenclature) the indication of who first gave the taxon its name.  

The writer of a book or paper, or (in nomenclature) the person who describes a new taxon. In politics, the member who introduces a bill in the house of its origin, sponsor.  

(In cladistics) a derived character or trait unique to an ingroup, and not present in the outgroup.  

(Of a character in cladistics) derived and unique to a given taxon or monophyletic group.  

Equipped with ear-like structures, usually near the base.  

Ear-like lobe. A lobe or pair of lobes at the base of a leaf. The tip of each atrium in the heart. Tissue and cartilage that form the C shape of the external ear and semicircular canals. A small pouch in the wall of each atrium of the heart: the term is also used incorrectly…

Phrase after a scientific name, meaning that the name has been used by one author in the wrong sense, as opposed to … (, non + original author of name should follow).  

(From the Latin auctorum) of the author; appended to a name used by a later author in a different sense from the one originally proposed; auctt. indicates ‘according to various authors’.