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Tissue morphology and photosynthetic mode in response to drought in leaves, pseudobulbs and roots of a thick-leaved and a thin-leaved epiphytic orchid.

The large, tunnel-like, dark-red flowers of Iris atropurpurea are likely to have evolved to mimic protective shelters preferred by male solitary bees.

Bad news via the Botanical Society of America [fullclear]…but what is it that makes a garden a botanic garden? Botanic gardens were originally set up to classify plants for science. Is the presence of name labels enough or do you need people doing botany to make a place a botanic garden?

Over-expressing Ta-PHR1-A1 increases wheat yield by increasing grain number per spike, making it potentially valuable in breeding programs.

A study of globular succulents at biodiversity hotspots in Mexico and South Africa highlights more climate differences than similarities between hotspots.