Crinum binghamii sp. nov.: With a Key to Crinum Species with Radially Symmetrical Flowers in Mainland Africa

Nordal, Inger; Kwembeya, Ezekeil G.

doi:10.2307/4110918

Cited by 5 publications

(5 citation statements)

References 6 publications

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“…The first includes West African species: C. ornatum, C. glaucum, C. jagus, C. humilis and C. distichum. Taxonomic delimitations and relationships among the West African "Codonocrinums" are well documented (Wahlstrøm & Laane, 1979;Nordal 1987;Fangan & Nordal, 1993;Lehmiller, 1997). The second polytomous group comprises East African species: C. politifolium, C. kirkii and C. verdoorniae.…”

Section: Literature Citedmentioning

confidence: 99%

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Phylogenetic relationships in the genus Crinum (Amaryllidaceae) with emphasis on tropical African species: evidence from trnL-F and nuclear ITS DNA sequence data

Kwembeya

Bjorå

Stedje

et al. 2007

TAXON

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Fifty‐three species of Boophone Herb., Ammocharis Herb., Cybistetes Milne‐Redh. and Crinum L. were analysed cladistically using nuclear ITS and plastid trnL‐F sequences, with Amaryllis belladonna L. as an outgroup. Boophone disticha (L. f.) Herb. is sister to the subtribe Crininae (i.e., Crinum, Ammocharis, Cybistetes). Two main clades were revealed in the Crininae. The first comprises Ammocharis, Crinum baumii Harms and Cybistetes longifolia Milne‐Redh. & Schweick. Cybistetes longifolia appears in a sister relationship to Ammocharis angolensis (Baker) Milne‐Redh. & Schweick. Crinum baumii and Cybistetes longifolia are thus both referred to the genus Ammocharis under the names Ammocharis baumii (Harms) Milne‐Redh. and Ammocharis longifolia (L.) Roem. respectively. The second main clade is constituted by all other examined species of Crinum, and is split into four subclades. The first subclade includes populations of the newly discovered Zambian species, C. jasonii Bjorå & Nordal (2006), which has bell‐shaped flowers. The second subclade comprises all species with star‐shaped flowers (“Stenaster”) occurring in the southern and eastern part of Africa, Madagascar, and Australasia. The Angolan “Codonocrinum” (i.e., with bell‐shaped flowers), C. fimbriatulum Baker, is in a sister relationship to this subclade. The third subclade includes species with bell‐shaped flowers with main distribution in southern Africa, in addition to the Australian C. flaccidum Herb. The fourth subclade includes North African and tropical species with bell‐shaped flowers including Asiatic taxa. A monophyletic group with star‐shaped flowers distributed in West Africa and America is nested within this subclade. Interestingly, a narrowly endemic species, C. binghamii Nordal & Kwembeya, occurring in swamps in western Zambia is sister to this “western Stenaster” group. There is no support for the taxonomic recognition of subgeneric delimitation based on flower morphology. On the other hand, there are strong geographical and ecological trends in the phylogeny.

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Section: Literature Citedmentioning

confidence: 99%

“…Interestingly, a recently described species, C. binghamii (Nordal & Kwembeya, 2004) from Zambia and C. purpurascens from southwestern and tropical Africa, both with star-shaped flowers, form the African sister group to the American clade. Meerow & al.…”

Section: Literature Citedmentioning

confidence: 99%

Phylogenetic relationships in the genus Crinum (Amaryllidaceae) with emphasis on tropical African species: evidence from trnL-F and nuclear ITS DNA sequence data

Kwembeya

Bjorå

Stedje

et al. 2007

TAXON

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“…Wetland species of Polygala and Eriocaulaceae show similar distributions. The photographic record of Crinum binghamii Nordal & Kwembeya from just N of Cuito Cuanavale demonstrates this also, as it was formerly known only from western Zambia ( Nordal and Kwembeya 2004 , Zimudzi et al 2008 ). While extending the known distributions, the new limits reflect the high rainfall, low nutrient Kalahari sand ecology.…”

Section: Resultsmentioning

confidence: 82%

“…The small patch of swamp forest at the head of the Río Cuiva is also Guineo-Congolian in affinity with Syzygium owariense ( Myrtaceae ) and Zanthoxylum gilletii ( Rutaceae ) widely distributed in the Congo Basin and West Africa. Phylogenetically, Crinum binghamii ( Amaryllidaceae ), a wetland species, is closer to Congolian members of the genus than to Zambesian species ( Nordal and Kwembeya 2004 ).…”

Section: Discussionmentioning

confidence: 99%

The Cuito catchment of the Okavango system: a vascular plant checklist for the Angolan headwaters

Goyder¹,

Barker²,

Bester³

et al. 2018

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This paper aims to provide a baseline for conservation planning by documenting patterns of plant diversity and vegetation in the upper catchment of the Cuito River. 417 species are recorded from this region. Nine of these are species potentially new to science. Ten species are newly recorded from Angola, with an additional species only recorded previously within Angola from the northern enclave of Cabinda. The 108 new provincial records for Moxico clearly indicate the lack of collections from Angola’s largest province. We note the existence of extensive peat deposits in the Cuito river system for the first time and suggest that one of Barbosa’s vegetation types in the area needs to be reassessed.

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“…non-flowering capsule 96 -124µm D (spore) unknown 17 -22 -26 -28 high <0.5‰, 6.6‰ 5.5 -6.5 -8 nutrient rich M Ford, 1902;Benedict, 1909;Cook, 1974;Lloyd, 1974;FONA, 1993;Thierry & Piednor, 2005;The Planted Tank, 2008;Invasive.org, 2011;Liveaquaria.com, 2011 Cook, 1974;Gangaram & Philip, 1988;FONA, 1993;Kiattisak & Richard, 1999;Lee, 1999;Beck, 2005;Floridata, 2010;Lemke, 2011b Brown, 1914;Efloras, 2008a;Sirisena, 2010;SMG, 2001 Hughes & Hughes, 1992;Riehl & Baensch, 1996;Nordal & Kwembeya, 2004;Yakandawala & Samarakoon, 2006;SMG, 2001 Schulze, 1972;Cook, 1974;Nordal & Kwembeya, 2004;Animal World, 2011;Soonthornnawaphat & de Silva, n.d.;. Cook, 1974;Jacobsen, 1976Jacobsen, , 1979Jacobsen, , 1980Jacobsen, , 1985Jacobsen, , 1987 Cook, 1974;Jacobsen, 1976Jacobsen, , 1979Jacobsen, , 1980…”

Section: Aponogeton Natansmentioning

confidence: 99%

Invasive aquatic plants and the aquarium and ornamental pond industries

Azan¹

2021

Preprint

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The purpose of the research was to clarify the common traits of a successful aquatic invasive plant. The biological traits of aquatic plants sold by aquarium and ornamental pond stores in the Greater Toronto Area, Ontario were analysed using logistic regression analyses (LRM). The multinomial LRM successfully predicts group identity 63% of the time, clearly differentiating native invasive and native non invasive from alien invasive (SI), but not ailen non invasive (ANI) from AI. In contrast, the binomial LRM effectively discriminates ANI from AI taxa 77% of the time. The variable that best discriminated between AI and ANI are type of propagation strategies, number of propagation strategies used, number of dispersal mechanisms used, minimum temperature, and sales volume of aquatic plants as a proxy for introduction. Recognizing the common traits of successful invaders allows for the identification of ANI taxa that have the potential to become invaders, prior to introduction, thus preventing future invasions.

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Crinum binghamii sp. nov.: With a Key to Crinum Species with Radially Symmetrical Flowers in Mainland Africa

Cited by 5 publications

References 6 publications

Phylogenetic relationships in the genus Crinum (Amaryllidaceae) with emphasis on tropical African species: evidence from trnL-F and nuclear ITS DNA sequence data

Phylogenetic relationships in the genus Crinum (Amaryllidaceae) with emphasis on tropical African species: evidence from trnL-F and nuclear ITS DNA sequence data

The Cuito catchment of the Okavango system: a vascular plant checklist for the Angolan headwaters

Invasive aquatic plants and the aquarium and ornamental pond industries

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