Morphological and anatomical studies on nutlets of Nepeta L. (Lamiaceae) from South-West Spain
DOI:
https://doi.org/10.24310/abm.v27i0.7305Keywords:
Nutlet, morphology, anatomy, mucilage, Nepeta, LamioideaeAbstract
The micromorphology and anatomy of nutlets of the five Nepeta L. species from South-West Spain: N. ca/aria L., N. amethystina var. anticaria Ladero & Rivas Goday, N. multibracteata Desf., N. tuberosa L. subsp. tuberosa y N. apuleii Ucria, are described with light and scanning electron microscopy. The results have showed the possibility to differentiate three structural nutlet types basically attending of nutlet ornamentation. Anatomical characters have allowed distinguish the examined taxa using epicarp, mesocarp and sclerenchymatic cell layer characters. The mucilage secretion of N. atnethystina var. anticaria nutlet has allowed easily define this taxon. Also, a key to differentiate the five taxa using carpological characters is provided.
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