distephanus造句

• The genus " Distephanus " was established by Alexandre de Cassini in 1817.
• In one tritomy consisting of " Distephanus ", Moquinieae, and Vernonieae.
• "Distephanus " differs from ( other ) genera in Vernonieae in having yellow flowers as well as in other characters that are less obvious.
• "Distephanus " has usually been placed in the tribe Vernonieae, but the results of some molecular phylogenetic studies of DNA sequences have cast doubt upon this placement.
• Cassini described the type species, " Distephanus populifolia " in 1819 . This species had originally been named " Conyza populifolia " by Jean-Baptiste Lamarck in 1786.
• The new tribe Platycarpheae was recognized, as well as the tribes Eremothamneae and Moquinieae . " Heterolepis " was placed in the Arctotideae, at least provisoinally . " Distephanus " was not placed in the Moquinieae or the Vernonieae, but is closely related to them . " Trichospira " was placed in the Vernonieae, but its inclusion there is in doubt.