Fleshy fruits- origins, niche shifts, and diversification

Article Abstract:

The shifts in fruit type, fleshy vs. non-fleshy, are examined in relation to habitat-related niche shifts, species richness, and historical distribution, in 50 phylogenetically independent plant lineages. The results supported the hypothesis that fleshy fruit evolution is driven by vegetation dynamics, and suggest that the strength of frugivore mediated selection on fleshy fruits increases when recruitment sites are spatially unpredictable and chara cterized by low light conditions.

Plants, Plant dispersal, Plant organs

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Overcomposition and adaptive plasticity of apical dominance in Erysimum strictum (Brassicaceae) in response to simulated browsing and resource availability

Article Abstract:

The branching patterns and fitness responses of tall wormseed mustard (Erysimun strictum) to simulated browsing, soil nutrients, and competition in common garden are explored. Simulated browsing increased lateral branching and had little impact on plant fitness.

United States, Plasticity, Hedge mustard

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