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Saturday, April 4, 2020
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Tag: Primula

Primroses and primulas aplenty

Primrose by Elizabeth Lawson, 2019. Reaktion Books Ltd. To the uninitiated, it may seem rather improbable that anybody can write 288 pages about the primrose....

Intraspecific variation of self-incompatibility in the distylous plant Primula merrilliana

Heterostyly, a term referred to plant species comprising either two (distyly) or three (tristyly) self-incompatible floral morphs that differ reciprocally in the positions of...

Darwin’s Closer Look at Primroses

What did Darwin think was his most satisfying scientific work? It might not be what you thought.

Unidirectional hybridization in heterostylous primroses

Ma et al. study a natural hybrid zone between two heterostylous primrose species, Primula beesiana and P. bulleyana, and find that all hybrid derivatives examined are backcrosses of first or later generations to P. bulleyana, and have the cpDNA of that species.

Flowering around the Med

The latest in a series of two-yearly workshops on Molecular Mechanisms Controlling Flower Development was held this June on the Giens Peninsula of the...

Sexual organ reciprocity in distylous primroses

The main morphological characteristic of heterostyly is the reciprocal placement of anthers and stigmas in two distinct floral morphs; however, the partitioning of reciprocity...

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Plants from different climates can react to drought in similar ways

How do plants react when circumstances change? One method can be to evolve a local adaptation. Another can be be phenotypic plasticity,...

Not All Pine Needles Are Identical: Lower Crown Loss in Pinus radiata

When fungal infection comes to Pinus radiata, it can run through the bottom of the crown of the tree, removing its leaves....

How do you get more DNA down a pollen tube?

A common event for flowering plants is whole genome duplication (WGD), where a plant gets extra chromosomes. It’s often studied in mature...

Simulating the effects of local adaptation and life history on the ability of plants to track climate shifts

Local adaptation is common but not universal in plants and results from the interplay of gene flow with natural selection. Gene flow...