An expanded phylogenetic analysis of Sannantha (Myrtaceae) and description of a new species

Wilson, Peter G.; Heslewood, Margaret M.

doi:10.1071/sb14011

Cited by 5 publications

(1 citation statement)

References 14 publications

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“…Lindl. and a related Western Australian species were compared with sequences from eastern Australian species (Wilson et al 2007; see also Wilson & Heslewood 2014). These studies did not support the placement of any of the eastern species in Babingtonia.…”

Section: Molecular Evidencementioning

confidence: 95%

Recognition of Hysterobaeckea as a genus of Myrtaceae tribe Chamelaucieae

Rye¹

2015

Nuytsia

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Rye, B.L. Recognition of Hysterobaeckea as a genus of Myrtaceae tribe Chamelaucieae. Nuytsia 25: 209-218 (2015). Baeckea behrii Schltdl. is selected as the lectotype for B. subg. Hysterobaeckea Nied., which is raised to the generic level as Hysterobaeckea (Nied.) Rye. New combinations are made for the three named species that belong to the genus as now defined, and a lectotype is selected for one of those species, B. ochropetala F.Muell. The three new combinations are H. behrii (Schltdl.) Rye, H. ochropetala (F.Muell.) Rye and H. tuberculata (Trudgen) Rye. The distinguishing characters of the genus are outlined and a generic key given for the group to which it belongs. Section name, size and distribution Species listed Current name sect. Babingtonia 12 species, WA Baeckea camphorosmae (Lindl.) Endl. Babingtonia camphorosmae Lindl. sect. Harmogia 6 species, Australia and New Caledonia Baeckea behrii (Schltdl.) F.Muell. B. virgata (Forst.) Andr.[Babingtonia behrii (Schltdl.) A.R.Bean] Sannantha virgata (Forst.

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Section: Molecular Evidencementioning

confidence: 95%

Recognition of Hysterobaeckea as a genus of Myrtaceae tribe Chamelaucieae

Rye¹

2015

Nuytsia

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Homogeneous colleters in Myrteae (Myrtaceae)

Sosa

González

2023

Protoplasma

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Myrtaceae anther glands: morphology, anatomy and variation in glandular contents

Ladd

2024

Aust. J. Bot.

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Context Most tissues of Myrtaceae plants have oil glands. The anthers of many species have an oil-containing apical gland that is larger than those in other tissues of the plant. Aims Representative species in the family were examined for the diversity of gland form and their oil contents. Methods Representative anthers were sectioned for light microscopy and scanning electron microscopy study and anthers from selected species were analysed for oil content. Key results The most common gland form is globular and narrowly attached to the apex of the connective, but in members of certain tribes, the gland is completely enclosed in the connective. The greatest morphological diversity is in the Chamelaucieae. Anther glands vary from plesiomorphic globular forms to glands that are larger than the anther thecae and almost completely fill the connective. Conclusions There are three possible functions for the glands, including the following: (1) protecting the anthers from herbivores, (2) mixing with the pollen to aid adhesion to stylar hairs on many Chamelaucineae, and (3) rewarding pollinators that use the oil–pollen mixture as food. Implications It is generally considered that the oils in various tissues of the Myrtaceae deter herbivores. In Myrtaceae with abundant anthers, the glands could deter flower visitors from consuming the anthers. Gland oil of the Eucalyptus and Leptospermum species examined contained α pinene as did the leaves of all species examined. The gland oil composition in Chamelaucium uncinatum and Verticordia grandis that have pollen presenters was different from that in the leaves and also different from that in the anthers of the two Verticordia species where bees collect the pollen–oil mixture for food.

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An expanded phylogenetic analysis of Sannantha (Myrtaceae) and description of a new species

Cited by 5 publications

References 14 publications

Recognition of Hysterobaeckea as a genus of Myrtaceae tribe Chamelaucieae

Recognition of Hysterobaeckea as a genus of Myrtaceae tribe Chamelaucieae

Homogeneous colleters in Myrteae (Myrtaceae)

Myrtaceae anther glands: morphology, anatomy and variation in glandular contents

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