ArticlePlant signaling & behavior2014
Rapid touch-stimulated movement in the androgynophore of Passiflora flowers (subgen. Decaloba; Sect. Xerogona): an adaptation to enhance cross-pollination?
Article in Plant signaling & behavior, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 12 citations in OpenAlex.
- Stylar curvature and its influence on the reproductive assurance in Passiflora foetida.Journal of plant research · 2026Article
- Spinning together agricultural and evo-devo research for Gynandropsis gynandra (spider plant).Annals of botany · 2026Review
- Cleomaceae: diversity and potential of a model family for studies on the evolution of photosynthesis.Plant biology (Stuttgart, Germany) · 2026Review
- Article
- Exploring the role of auxin in the androgynophore movement in Passiflora.Genetics and molecular biologyArticle
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2 authors at 2 institutions in 1 country.
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Abstract
Plant touch-sensitive organs have been described since Darwin's observations and are related to a quick response to environment stimuli. Sensitive flower organs have been associated to an increase in the chances of cross pollination but there are few studies regarding this topic. Here we describe for the first time the kinetic of the androgynophore movement of 4 Passiflora species (P. sanguinolenta, P. citrina, P. capsularis, and P. rubra). For that, we collected flowers and recorded the movement after mechano-stimulating the androgynophore. From the recordings, we described the movement regarding its response and sensibility to mechanical stimulus and calculated the duration, speed, and the angle formed by the androgynophore before and after the movement. From our data we were able to propose a link to the pollination habit of these species. The movement of the androgynophore in these Passiflora is a noteworthy floral feature that might lead us to another astonishing example of a mechanism that evolved among angiosperms to assure sexual reproduction.
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