Taxonomia e anatomia de Sonchus asper (L.) Hill
Palavras-chave:
taxonomia vegetal, planta superior, feixes vasculares, caule estriado, folha amplexicaulesResumo
This work brings together a description and taxonomic position with sutdies on the anatomy of the vegetative organs of the species Sonchus asper (L.) Hill.
The taxonomic part includes synonymy, common name, literature review, geographic distribuition, floweringand propagation, uses, and additional observations.
Different internodes of the stem were sectioned.
In the stem, the primary structure is predominent. The basal internodes show some signs of secondary structure, derived from the activity of a vascular cambium.
In the leaves, there are stomates in both upper and lower epidermis. The stomates have 3 or 4 subsidiary cells. The mesophyll show a slight differentiation into palisade and spongy parenchyma.
The root has a simple protostele structure.
As an anatomical feature, the plant has laticifers in as- sociation with the phloem all over its surface.
Referências
BOUREAU, E. Anatomia Végétale. Paris, Presses Universitaires de France, Vol. 1,2,3. 1954, 1956, 1957. 753p.
ESAU, K. Plant Anatomy, London, Chapman & Hall, 1953, 735 p.
GOLA, G., NEGRI, G. y CAPPELLETTI, C. Tratado de Botânica. Barcelona, Editorial Labor. 1943. 1030p.
SHIMOYA, C. Noções de Técnicas Citológicas. Viçosa, Imprensa Universitária da UREMG, 1966. 69p.
Downloads
Publicado
Como Citar
Edição
Seção
Licença
Este trabalho está licenciado sob uma licença Creative Commons Attribution 4.0 International License.
