No abstract

The present study is a pollen. morp holt, meal investigation of HO species belonging to I ." of the 22 known neotropical genera of Lauraceae, I lbs, , itiuns in, /••/ • !'< rtiuutc. The exine is very thin and , oh I .,<•â-,.',.' l' <•' ••>' , ' >dies 'ITie surface of exine is scattered with point, d o, blunt. • >• â-â-. • ' les are made up of mi, nanus nghll\ no, en sinuuis. lion basis a', encompassed In o Hi, â-hh, /cm The inline was found to be Ho ' â-'' "'/ ''' '"ds It is ,e„,u,huhli that a similar t\pc of intiiu has been en, , • " -ii'in I'd, nging to such disparate genera as Carina, Heliconia, Hernandia, and Palmeria. The taxonomic implications of the paly-

No abstract

The paper reviews some widely used pollen morphological concepts which are slightly vague and ambiguous. To meet the needs of palynological descriptions. the terminology has to be precise and, as far as possible, numerically defined. The terms oncus. vermca. annulus, prolate and oblate are discussed and redefined. The words sculpture and structure are discusssed, delimited and defined, and it is proposed that they be accepted as terms. A new term. pseudo-annulus has been proposed.

No abstract