Results 131 to 140 of about 1,485 (174)
<i>Primula maershanensis</i> (Primulaceae), a new species in <i>Primula</i> sect. <i>Auganthus</i> from Sichuan, China. [PDF]
PhytoKeysSheng MY +6 more
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Floral reward traits change between sexual phases in two Helleborus species. [PDF]
Sci RepSulborska-Różycka A +3 more
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The Floral Nectary of Hymenaea stigonocarpa (Fabaceae, Caesalpinioideae): Structural Aspects During Floral Development [PDF]
Annals of Botany, 2007 Considering that few studies on nectary anatomy and ultrastructure are available for chiropterophilous flowers and the importance of Hymenaea stigonocarpa in natural 'cerrado' communities, the present study sought to analyse the structure and cellular modifications that take place within its nectaries during the different stages of floral development ...
Elder Antônio Sousa Paiva +1 more
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Floral nectary morphology and evolution inPedicularis(Orobanchaceae)
Botanical Journal of the Linnean Society, 2015De Zhu Li, Wen Bin Yu
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THE FLORAL AND EXTRA‐FLORAL NECTARIES OF PASSIFLORA. II. THE EXTRA‐FLORAL NECTARY
American Journal of Botany, 1982Extra‐floral nectaries of nine species of Passiflora were studied with light and electron microscopy prior to and during secretion. There is no evidence of ER or Golgi participation in the secretion of nectar. The vascular tissue supplying the nectary is characterized by companion and phloem parenchyma cells which are usually larger than the sieve ...
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Protoplasma, 2021
Petals are important floral organs that exhibit considerable morphological diversity in terms of colour, shape, and size. The varied morphologies of mature petals can be linked to developmental differences. The petals of Berberidaceae (a core group of Ranunculales) range from flat sheets to complex structures with nectaries, but studies on petal ...
Shan, Su +3 more
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Petals are important floral organs that exhibit considerable morphological diversity in terms of colour, shape, and size. The varied morphologies of mature petals can be linked to developmental differences. The petals of Berberidaceae (a core group of Ranunculales) range from flat sheets to complex structures with nectaries, but studies on petal ...
Shan, Su +3 more
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The floral nectaries in theIrvingiaceae
Plant Systematics and Evolution, 1992TheIrvingiaceae generally possess large intrastaminal receptacular disc nectaries of the mesenchymatic histo-type, which receive numerous small phloematic bundles directly from the central stele. The non-glandular epidermis bears some 10 to 15 strictly localized stomata that are deeply sunken in the parenchyma.
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TheArabidopsisnectary is an ABC-independent floral structure
Development, 2001In contrast to the conservation of floral organ order in angiosperm flowers, nectary glands can be found in various floral and extrafloral positions. Since in Arabidopsis, the nectary develops only at the base of stamens, its specification was assayed with regard to the floral homeotic ABC selector genes. We show that the nectary can form independently
S F, Baum, Y, Eshed, J L, Bowman
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The floral nectaries in theLimnanthaceae
Plant Systematics and Evolution, 1992Floral nectaries in theLimnanthaceae are established as exoscopic basal bulges of the episepalous stamens. Their nectariferous tissues include the epidermis and hypodermal parenchyma and inLimnanthes are vascularized by phloematic branches of the staminal bundles. Secretion occurs mainly through anomocytic stomata but, in addition, probably through the
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Androecium and floral nectaries ofHarungana madagascariensis (Clusiaceae)
Plant Systematics and Evolution, 1991The mature flower ofHarungana madagascariensis (Choisy)Poir. has an androecium of five antipetalous fascicles, consisting of four stamens each. The stamen fascicles alternate with five indented nectary scales. A SEM-study of the floral development, as well as a study of the floral anatomy was carried out to understand whether the nectariferous scales ...
L. P. Ronse Decraene, E. Smets
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