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Contribución al conocimiento de la biología floral del género Lavandula L. II: Lavandula stoechas L. subsp. stoechas. I

Authors: Devesa Alcaraz, Juan Antonio; Muñoz, Adolfo;

Contribución al conocimiento de la biología floral del género Lavandula L. II: Lavandula stoechas L. subsp. stoechas. I

Abstract

Se estudian diversos aspectos de la biología floral de Lavandula stoechas L. subsp. stoechas, como la capacidad germinativa del polen, receptividad del estigma, producción de néctar, duración floral, dinámica de apertura floral en la inflorescencia y fructificación. El taxon es autocompatible, como demuestran las polinizaciones controladas, y presenta flores e inflorescencias con marcada protandria. La receptividad estigmática resulta anticipada por la visita de los polinizadores. Las primeras flores de cada inflorescencia producen mayor cantidad de néctar que las restantes y, además, son las que alcanzan un mayor índice de fructificación, lo que se explica por una limitación de la disponibilidad de recursos.

Several aspects of the floral biology of Lavandula stoechas L. subsp. stoechas are studied: pollen germinability, stigmatic receptivity, néctar production, floral longevity, dymanics of floral appearance on the inflorescences as well as fruit and seed set. The taxon is selfcompatible, as demonstrated by controlled pollinations, and shows a marked protandry at both flower and inflorescence. Stigmatic receptivity is anticipated by the visits of pollinators. Néctar secretion rate and fruiting success are maximum for the first opening flowers of the inflorescence. The differences in fruiting success among flowers of an inflorescence are discussed in terms of resource limitations.

Country
Spain
Keywords

Secreción de néctar, Protandria, Biología floral, Lavandula, Labiatae, Fructificación

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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