Dos especies nuevas de Croton (Euphorbiaceae) de Guerrero, México

Abstract

TWO NEW SPECIES OF CROTON FROM GUERRERO, MEXICO, ARE DESCRIBED: CROTON WEBSTERI PRESENTS FLOWERS WITH 35 TO 45 STAMENS, A RARE CONDITION IN MEXICAN MEMBERS OF THIS GENUS; IT OCCURS IN THE SIERRA MADRE DEL SUR AT ALTITUDES OVER 2000 M. IT IS RELATED TO CROTON XALAPENSIS KUNTH. CROTON ACAPULCENSIS WAS FOUND IN ACAPULCO AND ENVIRONS; IT IS RELATED TO C. ALAMOSANUS ROSE, BUT DIFFERS IN THE SHAPE OF THE STIPULES AS WELL AS IN THE TYPE OF INFLORESCENCE.