The life cycle type of Grindelia lanceolata Nutt has been described as biennial, short-lived monocarpic perennial, and (polycarpic) perennial in the taxonomic literature. Plants of this species in ...
Plant reproductive complexity increased in two, widely separated pulses likely driven by important evolutionary innovations, including the origin of seeds and flowers, according to a new study. These ...
American Journal of Botany, Vol. 15, No. 6 (Jun., 1928), pp. 372-394 (23 pages) The more important results of this study, which involved macroscopic and microscopic investigation of thirty-seven ...
Floral diagrams : an aid to understanding flower morphology and evolution / Louis P. Ronse De Craene
"Floral morphology remains the cornerstone for plant identification and studies of plant evolution. This guide gives a global overview of the floral diversity of the angiosperms through the use of ...
MR. H. HAMSHAW THOMAS'S paper entitled “The Old Morphology and the New”, read before the Linnean Society on November 10, created considerable interest. In recent years, Mr. Thomas said, a great gulf ...
The flowering plants (also called angiosperms) are the dominant and most familiar group of land plants. The flowering plants and the gymnosperms comprise the two groups in the seed plants. The flowers ...
In his vast correspondence with other contemporary naturalists, Charles Darwin mentions an “abominable mystery”. This mystery was the origin of angiosperms or plants with flowers. The fossil record ...
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