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PBIO 450 Lecture Notes - Asteridae -- Spring 1999 |
 | | The significance of the Calycerales (and therefore the Calyceraceae) is that here is the one group that probably points the way toward the evolutionary establishment of the Asterales (and therefore the Asteraceae). |
 | | Comp.: 141-248.], 1977 [actually 1978]." One notion is that the origin of the Calycerales is to be sought in the Campanulanae, specifically somewhere near the Goodeniales (Lammers, Ann. |
 | | A potential problem with using the Calycerales as a near relative to the Asterales is that the latter are probably primitively woody with opposite leaves whereas the Calycerales are herbs with alternate leaves. |
| www.life.umd.edu /emeritus/reveal/pbio/pb450/aste18.html (845 words) |