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Linospadix linospadix
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===Linospadix and Its Relatives:=== ''Linospadix'' (7 spp.) is included in the subtribe Linospadicinae with four other genera - ''Calyptrocalyx'' (20 spp.), ''Howea'' (2 spp.), ''Laccospadix'' (1 sp.) and ''Paralinospadix'' (24 spp.). Of the Linospadicinae species, 45 are endemic to New Guinea and the remainder to the Moluccas (1 sp.), Australia (6 spp.) and Lord Howe Island (2 spp.). Preliminary phenetic and cladistic studies suggest that ''Calyptrocalyx'' and ''Paralinospadix'' are indistinguishable from each other; ''Howea'' and ''Laccospadix'' are very close to each other though separable; and ''Linospadix'' is relatively isolated from the other genera by what are perceived as the most taxonomically and biologically important characters within the group. If closest relatives were to be suggested for ''Linospadix'', they would include both ''Howea'' and ''Laccospadix'' due to similarities in the following features: a. the position at which the peduncular bract is attached - it is relatively close in the three genera b. the peduncular bract fully encloses the inflorescence during.development in all three genera (not so in ''Calyptrocalyx/Paralinospadtx'') c. floral morphology - all three genera have staminate mowers with basi- or subbasi-fixed. non-versatile anthers and short filaments (dorsi-fixed and versatile in ''Calyptrocalyx/Paralinospadix'').
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