Is there a hybridization barrier between Gentiana lutea color morphs?

In Gentiana lutea two varieties are described: G. lutea var. aurantiaca with orange corolla colors and G. lutea var. lutea with yellow corolla colors. Both color varieties co-occur in NW Spain, and pollinators select flower color in this species. It is not known whether a hybridization barrier exist...

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Bibliographic Details
Main Authors: María Losada, Tania Veiga, Javier Guitián, José Guitián, Pablo Guitián, Mar Sobral
Format: Article
Language:English
Published: PeerJ Inc. 2015-10-01
Series:PeerJ
Subjects:
Online Access:https://peerj.com/articles/1308.pdf