Produção Nacional
Revisado por pares
Aline Oriani, Vera Lúcia Scatena,
... development of the ovule, fruit, and seed of Orectanthe sceptrum was studied using a comparative approach to provide ... and Xyris were measured for comparison.Pivotal results. Orectanthe sceptrum presents anatropous, tenuinucellate, and bitegmic ovules with a ... formed by endotegmen, exotegmen, endotesta, and exotesta link Orectanthe to Abolboda (Abolbodoideae). Such characteristics are not found in Xyris (Xyridoideae), which is consistent with the subfamilial division. The presence of anatropous ovules in Abolbodoideae most likely represents a character reversal. The greater seed weight of O. sceptrum may explain the presence of wings in the ...
Tópico(s): Plant and Fungal Species Descriptions
2016 - University of Chicago Press | International Journal of Plant Sciences
Produção Nacional
Revisado por pares
Fernanda Martins Gonzaga de Oliveira, Vera Lúcia Scatena, Aline Oriani,
... of root, stem, leaf, and inflorescence axis of Orectanthe sceptrum was studied aiming to characterize the species in ... absorption surface. These papillae are exclusive of O. sceptrum within the family as well as the following characteristics: epidermal cells with thickened outer periclinal walls in the stem, epidermal cells with U-shaped thickened walls in the leaf blade, and chlorenchyma with arm cells in both the leaf blade and inflorescence axis. Orectanthe shares with Abolboda an indistinct endodermis in the ...
Tópico(s): Plant and animal studies
2015 - | The Journal of the Torrey Botanical Society