Towards a standardised terminology for taxonomically important morphological characters in the Umbelliferae

Kljuykov, E.V.; Liu, M.; Ostroumova, T. A.; Пименов, М. Г.; Tilney, P.M.; Wyk, B.‐E. Van; Staden, J. Van

doi:10.1016/s0254-6299(15)30233-7

Cited by 63 publications

(37 citation statements)

References 12 publications

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“…Moreover, the size of commissure and exocarp cells, as well as the number, size, and locality of vascular bundles and main secretory ducts in mericarps of these two species are identical. It should be noted that these characters are of special taxonomic importance (Kljuykov et al, 2004). In addition, the geographical distribution of E. bornmuelleri matches that of L. petrophilum.…”

Section: Discussionmentioning

confidence: 73%

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Systematic placement of the Turkish endemic genus Ekimia (Apiaceae)based on morphological and molecular data

Lyskov¹,

Degtjareva²,

Samigullin³

et al. 2015

Turk J Bot

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The systematic position of the monotypic genus Ekimia H.Duman & M.F.Watson (Apiaceae), a narrow endemic to Turkey, was evaluated on the basis of morphological data and nrDNA ITS sequences. Ekimia bornmuelleri (Hub.-Mor. & Reese) H.Duman & M.F.Watson was initially described in Prangos Lindl. Due to the unique fruit morphology uncommon for this genus it was later shifted to an independent genus. In the Bayesian and most parsimonious trees, E. bornmuelleri is sister to Laserpitium petrophilum Boiss. & Heldr and Laserpitium glaucum Post within the Daucinae clade. This result is consistent with its morphology: the presence of the primary and secondary ribs of E. bornmuelleri fruits brings the species closer to Laserpitium rather than Prangos.

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Section: Discussionmentioning

confidence: 73%

“…Mericarps were crosscut in the middle with a hand razor and cross-sections were then treated with phloroglucinol (Erdmann et al, 1986). We used standard terms to describe the fruit and other parts of the plant (Kljuykov et al, 2004). Microstructure of the fruit surface was studied by scanning electron microscopy (SEM).…”

Section: Introductionmentioning

confidence: 99%

Systematic placement of the Turkish endemic genus Ekimia (Apiaceae)based on morphological and molecular data

Lyskov¹,

Degtjareva²,

Samigullin³

et al. 2015

Turk J Bot

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“…The morphological characters examined were those deemed important by Kljuykov (1985), Hartvig (1986), Tan and Sorger (1986), Rechinger (1987), and Tan and Iatrou (2001) in Hellenocarum species recognition. Standard umbellifer terminology was applied (Kljuykov et al, 2004). Fruit anatomy was examined under a light microscope, with hand sections made through the middle of the mericarps.…”

Section: Morphology and Fruit Anatomymentioning

confidence: 99%

“…A characteristic trait for Hellenocarum is a clearly visible constriction of the mericarps under the stylopodia (Figures 4a and 4f and 5a and 5f). This character is not usually diagnostic in the Umbelliferae (Kljuykov et al, 2004), as it is difficult to interpret in many taxa, but in Hellenocarum it is obvious. Fruit differences include those of mericarp length and width, shape of stylopodia, length of styles, the presence/ absence of a filiform ridge in the valleculae, structure and ultrasculpture of exocarp cells as revealed on surface view (SEM), shape of mericarp in transverse section, the presence/absence of rib secretory ducts in the mesocarp, and cotyledon number.…”

Section: Morphology and Fruit Anatomymentioning

confidence: 99%

A taxonomic study of the genus Hellenocarum H.Wolff (Umbelliferae-Apioideae)based on morphology, fruit anatomy, and molecular data

Zakharova¹,

Kljuykov²,

Degtjareva³

et al. 2016

Turk J Bot

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Phylogenetic relationships among the species of Hellenocarum and its close allies (Umbelliferae-Apioideae) were investigated using nuclear (ITS, ETS) and plastid (psbA-trnH intergenic spacer) DNA sequences. The results obtained were supplemented with an examination of morphology from herbarium and field-collected materials, as well as details of fruit anatomy obtained from light and scanning electron microscopy. According to the molecular data, Hellenocarum is not monophyletic. In most molecular analyses, the genus comprises 2 disparate lineages, with each lineage supported by distinct morphological characters (e.g., structure of underground organs, shape of the umbel, petal color). The first lineage includes Hellenocarum multiflorum (the type species) and H. strictum and corresponds to Hellenocarum sensu stricto. The second lineage includes Hellenocarum amplifolium and H. pisidicum and is recognized herein as the new genus Neomuretia Kljuykov, Degtjareva & Zakharova. Carum depressum is united with Hellenocarum sensu stricto. Three new nomenclatural combinations are proposed: Hellenocarum depressum (Hartvig & Kit Tan) Kljuykov & Zakharova; Neomuretia amplifolia (Boiss. & Hausskn.) Kljuykov, Degtjareva & Zakharova; and Neomuretia pisidica (Kit Tan) Kljuykov, Degtjareva & Zakharova.

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“…Definitions of specialized terms and detailed descriptions of morphological characteristics in the family Apiaceae are given by Kljuykov et al (2004). The illustrations (Figs.…”

Section: Description and Account Of Variationmentioning

confidence: 99%

The Biology of Invasive Alien Plants in Canada. 4. Heracleum mantegazzianum Sommier & Levier

Page

Wall

Darbyshire³

et al. 2006

Can. J. Plant Sci.

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Heracleum mantegazzianum Sommier & Levier. Can. J. Plant Sci. 86: 569-589. Heracleum mantegazzianum (giant hogweed) is an invasive alien plant of management concern in southern Canada where it has escaped from horticulture and established and spread in natural, ruderal, and agricultural ecosystems. It poses a threat to natural ecosystems and human health, and is also a weed in agricultural and urban areas. It is a member of the Carrot family (Apiaceae) and is closely related to the native species Heracleum maximum Bartram (cow-parsnip). It is a monocarpic perennial, which generally flowers in its 3rd or 4th year. Large size, leaf shape, dark reddish pigments in patches on stems and petioles, and fruit characteristics readily distinguish H. mantegazzianum from other plants in Canada. It is increasingly common in riparian areas, floodplains, and forest edges in or near urban areas in southwestern British Columbia and southern Ontario. Based on herbarium specimens, H. mantegazzianum was first recorded in Ontario in 1949, British Columbia in 1964, Nova Scotia in 1980, Quebec in 1990, and New Brunswick in 2000. The development of dense stands of H. mantegazzianum can also reduce the richness of native plants. Contact with H. mantegazzianum can cause phytophotodermatitis, a serious skin inflammation caused by UV photo-activation of furanocoumarins present in the sap. Control methods include herbicide application, mechanical cutting, and animal grazing, but strategies to address seed dispersal and re-establishment from dormant seed must also be adopted. Widespread establishment in southern Canada suggests that eradication is unlikely. However, range expansion and rapid population growth can be prevented through strategic management including public education. Heracleum mantegazzianum (berce du Caucase) est une espèce exotique envahissante qui préoccupe les producteurs du sud du Canada, car la plante s'est échappée des jardins pour coloniser les écosystèmes naturels, rudéraux et agricoles. En plus d'être une adventice dans les régions agricoles et urbaines, l'espèce s'avère une menace pour les écosystèmes naturels et la santé humaine. Membre de la famille de la carotte (Apiacées), la berce du Caucase est étroitement apparentée à l'espèce indigène Heracleum maximum Bartram (berce laineuse). Cette vivace monocarpienne fleurit habituellement la troisième ou la quatrième année. Il est facile de la distinguer des autres plantes à cause de sa grande taille, de la forme de ses feuilles, des taches rouge foncé sur la tige et les pétioles et des fruits très caractéristiques. On la trouve de plus en plus dans les habitats riverains, les plaines inondables et la lisière des forêts, ou à proximité des zones urbaines dans le sud-ouest de la ColombieBritannique et le sud de l'Ontario. D'après les spécimens conservés dans les herbiers, H. mantegazzianum a été identifiée pour la première fois en 1949 en Ontario, en 1964 en Colombie-Britannique, en 1980 en Nouvelle-Écosse, en 1990 au Québec et en 2000 au Nouveau-Brunswick. Le développem...

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Towards a standardised terminology for taxonomically important morphological characters in the Umbelliferae

Cited by 63 publications

References 12 publications

Systematic placement of the Turkish endemic genus Ekimia (Apiaceae)based on morphological and molecular data

Systematic placement of the Turkish endemic genus Ekimia (Apiaceae)based on morphological and molecular data

A taxonomic study of the genus Hellenocarum H.Wolff (Umbelliferae-Apioideae)based on morphology, fruit anatomy, and molecular data

The Biology of Invasive Alien Plants in Canada. 4. Heracleum mantegazzianum Sommier & Levier

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