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vol.61 issue2NOTE ON THE PRESENCE OF HELIOTROPIUM KRAUSEANUM FEDDE (HELIOTROPIACEAE) IN CHILECHECKLIST OF THE VASCULAR FLORA OF PALI AIKE NATIONAL PARK, PATAGONIA, CHILE author indexsubject indexarticles search
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Gayana. Botánica

Print version ISSN 0016-5301On-line version ISSN 0717-6643

Abstract

CARVALLO, Gastón  and  GINOCCHIO, Rosanna. VARIABILITY OF POLLEN TRAITS IN THE MIMULUS LUTEUS L. (PHRYMACEAE) COMPLEX IN CENTRAL CHILE. Gayana Bot. [online]. 2004, vol.61, n.2, pp.63-66. ISSN 0016-5301.  http://dx.doi.org/10.4067/S0717-66432004000200004.

We quantified the variability of pollen morphology and life history traits among three natural populations of two taxa in the Mimulus luteus complex and a group of putative hybrids that coexist in the Andean ranges of central Chile. Pollen grain production and polar/equatorial length ratio, an index of pollen grain morphology, differed significantly among the taxa. The differences detected in these generally conservative traits, may reflect introgression, known to be common in Mimulus

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