Words similar to florets
Example sentences for: florets
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Tridentatae , we previously concluded [ 34 35 ] that S. bigelowii was perhaps misplaced and should be excluded from the Tridentatae . In addition, we explained [ 34 35 ] an unexpected relationship between it and A. filfifolia as possible hybridization and introgression involving bidirectional gene flow rather than recent common ancestry because heterogamous-disciform A. bigelowii differs from heterogamous-disciform A. filifolia by perfect disk florets instead of female-sterile disk florets.
Consistent with the hybridization results, one MADS box gene, ZAP1, has been reported to be expressed in the sterile organs of maize florets and in husks [ 15].
According to Bremer and Humphries [ 2 ] , the Artemisia -group is monophyletic and defined by heterogamous-disciform capitula (disk florets usually bisexual and fertile, ray florets pistillate) or homogamous-discoid capitula (disk florets usually bisexual and fertile, ray florets absent), pollen with short or no spines (associated with anemophily), and thick-walled cypselas devoid of ribs (sometimes faint ribs are present in Sphaeromeria and Crossostephium ). All of the Artemisia -group genera contain species that have been variously placed within the taxonomic boundaries of Artemisia s.l.
Sphaeromeria also has heterogamous-disciform capitula with pistillate ray and perfect disk florets, as does heterogamous-disciform S. bigelowii , suggesting that it is indeed a plesiomorphy.
Neopallasia is a genus of three species that occur in central Asia, including southern Siberia, Mongolia, and China [ 2 ] . It was segregated from Artemisia by Poljakov [ 66 ] on the basis of several autapomorphies, including pectinate leaves, central-sterile florets at the apex of the capitulum, ovoid-lanceolate anther appendages, and a rosette-shaped arrangement of cypselas on the receptacle.
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