Resolving the non‐papilionaceous flower of Camoensia scandens, a papilionoid legume of the core genistoid clade: development, glands and insights into the pollination and systematics of the group

Leite, Viviane Gonçalves; Teixeira, Simone de Pádua; Godoy, Fernanda Ribeiro; Paulino, Juliana Villela; Mansano, Vidal de Freitas

doi:10.1007/s10265-021-01293-5

Cited by 6 publications

(3 citation statements)

References 52 publications

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“…Recent progress in investigation of floral secretory structures in tropical legumes (e.g. Bento et al, 2021;Leite et al, 2021) is very helpful. Very little is known about the FN functioning, such as possible modes of secretion.…”

Section: Discussionmentioning

confidence: 99%

“…In Camoensia scandens (Welw.) J.B.Gillett, a core genistoid legume with unusual non-papilionate flowers, nectar is released from very large pores resulting from rupture of stomata together with adjacent epidermal cells (Leite et al, 2021). This mode of secretion is unusual for legumes.…”

Section: Anatomy and Ultrastructure Of The Leguminous Floral Nectariesmentioning

confidence: 99%

“…The disc is thought to be localized at the upper rim of the hypanthium at stamens bases (Tucker, 2000), although there was probably no special survey focused on nectar secretion in this genus. In some other leguminous flowers also having a long floral tube, nectar is usually secreted on this tube's walls in its proximal portion (Leite et al, 2015(Leite et al, , 2021…”

Section: Floral Structures Participating In Nectar Storage and Access...mentioning

confidence: 99%

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Floral nectaries in Leguminosae: structure, diversity, and possible evolution

Sinjushin

2024

Preprint

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Floral nectar is a key reward in Leguminosae despite the exceptional diversity of flowers in this family. The paper aims to summarize the available data on structure, ontogeny, regulation, and possible evolution of the leguminous floral nectaries. To date, detailed characterization of ultrastructure and mode of secretion is available only for a few representative of the family whereas the majority remains understudied from this perspective. In most cases, regardless of flower symmetry, nectaries are localized between stamens and a carpel. The nectar is usually exuded from modified stomata although the exact mode of secretion by specialized parenchyma may differ between taxa. The leguminous floral nectaries often have certain features of monosymmetry with preferentially abaxial development. Nectaries were independently lost in several lineages, and equally recurrent is the emergence of substitutive, i.e. evolutionary innovative, nectar-producing structures. Floral nectaries possess a certain degree of evolutionary inertia, i.e. they remain stable even in lineages in which flower morphology underwent significant changes compared with an ancestral plan, such as shifts in merism, symmetry, organ number and alike. Due to their evolutionary stability, floral nectaries are rarely used in taxonomy of Leguminosae.

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Section: Discussionmentioning

confidence: 99%

Section: Anatomy and Ultrastructure Of The Leguminous Floral Nectariesmentioning

confidence: 99%