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Penstemon

Known as: Penstemons 
A plant genus of the family Plantaginaceae. Members contain phenylpropanoid and iridoid glycosides.
National Institutes of Health

Topic mentions per year

Topic mentions per year

1961-2018
051019612018

Related topics

Related topics

3 relations
Microbiologicalaspects of radiation effectsphysiological aspects

Related mentions per year

Related mentions per year

1936-2018
19401960198020002020
Penstemon
physiological aspects
Microbiological
aspects of radiation effects

Papers overview

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2015
2015
Spatiotemporal Floral Scent Variation of Penstemon digitalis
Variability in floral volatile emissions can occur temporally through floral development, during diel cycles, as well as… (More)
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2007
2007
Constrained lability in floral evolution: counting convergent origins of hummingbird pollination in Penstemon and Keckiella.
In the clade of Penstemon and segregate genera, pollination syndromes are well defined among the 284 species. Most display… (More)
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2007
2007
Pensteminoside, an unusual catalpol-type iridoid from Penstemon gentianoides HBK (Plantaginaceae).
From the MeOH and ethyl acetate extracts of aerial parts of Penstemon gentianoides HBK (Plantaginaceae) an unusual iridoid of the… (More)
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Highly Cited
2004
Highly Cited
2004
'Anti-bee' and 'pro-bird' changes during the evolution of hummingbird pollination in Penstemon flowers.
Floral phenotypes may be as much the result of selection for avoidance of some animal visitors as selection for improving the… (More)
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2003
2003
A multivariate search for pollination syndromes among penstemons
The seeming ubiquity of spatio-temporal variation in pollination regime suggests that flowers ought to be adapted to a wide range… (More)
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2003
2003
Pollen transfer by hummingbirds and bumblebees, and the divergence of pollination modes in Penstemon.
We compared pollen removal and deposition by hummingbirds and bumblebees visiting bird-syndrome Penstemon barbatus and bee… (More)
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2002
2002
Dynamic nectar replenishment in flowers of Penstemon (Scrophulariaceae).
Plants that experience variation in pollinator visitation rates or fluctuations in weather conditions may be expected to have… (More)
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2001
2001
Factors limiting hybridization between Penstemon spectabilis and Penstemon centranthifolius
Speciation involves the formation of reproductive isolating mechanisms such as a difference in pollinators, incompatibility… (More)
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2000
2000
Pollen presentation and pollination syndromes, with special reference to Penstemon
Pollen presentation theory (PPT) allows for a re-examination of some classic themes in pollination biology. Here, we outline its… (More)
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1998
1998
Diploid hybrid speciation in Penstemon (Scrophulariaceae).
Hybrid speciation has played a significant role in the evolution of angiosperms at the polyploid level. However, relatively… (More)
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