Nectary evolution in Disa orchids
Independent nectary evolution of orchid genus Disa has involved both repeated recapitulation of secretory epidermis, and innovation of stomatal nectaries.
Timetable for allopolyploidy in flowering plants (Viewpoint)
This is the first study to propose a general temporal framework for strict allopolyploidy.
Central–marginal diversity in a Mediterranean endemic
A study of Arenaria provincialis’s (Caryophyllaceae) geographic range finds that despite its narrow distribution it has a high level of molecular variation.
APETALA3- and PISTILLATA-like genes in a basal angiosperm
Liu et al. study class B gene homologs in Hedyosmum orientale and find that the development of the perianth does not rely on B homeotic function.
Chamaecrista flexuosa: a possible case of atypical enantiostyly
An investigation of reproductive biology and the presence of deviations from the enantistylous standard form in Chamaecrista flexuosa (Fabaceae).
Nutrient reserves in geophytes may allow genome size increase
A study of 47 pairs of geophytic taxa and their closest non-geophytic relatives across the whole angiosperms.
Duration of shoot elongation in Scots pine
A study of lateral shoot growth in Scots pine over 7 years finds that daily maximum growth rate correlates positively with growth duration.
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