1975
DOI: 10.5962/bhl.part.12127
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The taxonomy of Parthenium section Partheniastrum DC. (Asteraceae-Ambrosiinae)

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Cited by 6 publications
(16 citation statements)
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“…The assigned ploidy number is based on flow cytometry estimates from a larger sample for each accession (Table A.4). Ploidy level for the P. integrifolium sample was assigned based on chromosome counts and literature (Mears, 1975 Rollins based on morphological characteristics, but the phylogenetic placement of R1110 in clade A rather than the clade containing artificial hybrids between guayule and P. tomentosum var. stramonium (clade D, below) does not support this particular hybrid classification.…”
Section: Genomic Characterization Of Guayule Germplasmmentioning
confidence: 99%
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“…The assigned ploidy number is based on flow cytometry estimates from a larger sample for each accession (Table A.4). Ploidy level for the P. integrifolium sample was assigned based on chromosome counts and literature (Mears, 1975 Rollins based on morphological characteristics, but the phylogenetic placement of R1110 in clade A rather than the clade containing artificial hybrids between guayule and P. tomentosum var. stramonium (clade D, below) does not support this particular hybrid classification.…”
Section: Genomic Characterization Of Guayule Germplasmmentioning
confidence: 99%
“…B.5, see Supplementary data) suggests a broader climatic tolerance than guayule. Wild quinine is a perennial herbaceous plant native to central and eastern United States (Mears, 1975;Rollins, 1950) and a potential source of cold resistance and non-arid adaptation (Thompson and Ray, 1989). However, with the exception of a recent ploidy and nuclear genome size evaluation of mariola accessions (Sanchez et al, 2014), minimal genomic information is available for these two Parthenium species, and the availability of this information is expected to greatly facilitate interspecific breeding programs.…”
mentioning
confidence: 98%
“…hispidum and P. integrifolium, constitute the section Partheniastrum DC in Rollins' (1950) classification. Mears (1975) followed Cronquist's (1945) classification that placed the above taxa in P. integrifolium. Thus, P. hispidum var.…”
mentioning
confidence: 99%
“…Polyploids were also suspected among individuals of the above taxon as determined by pollen size (Mears, 1975). Rodriguez (1975) reported that P. hispidum var.…”
mentioning
confidence: 99%
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