A Systematic Treatment of the Genus Camassia Lindl.

Gould, Frank W.

doi:10.2307/2420901

Cited by 28 publications

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“…Steroidal saponins are especially abundant in Chlorogalum, with some species known as "soap plant." The chromosome number reported for Camassia is n = 15, bimodal with 3 large chromosomes and 12 small ones (Gould 1942;Fernandez and Davina 1990). The chromosome numbers reported for Chlorogalum are n = 15, 17, 18, 30 (Cave 1970).…”

Section: Early Diverging Members Of Agavaceaementioning

confidence: 99%

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Phylogeny of Agavaceae Based on ndhF, rbcL, and its Sequences

Bogler¹,

Pires²,

Francisco‐Ortega³

2006

aliso

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Great advances have been made in our understanding of the phylogeny and classification of Agavaceae in the last 20 years. In older systems Agavaceae were paraphyletic due to overemphasis of ovary position or habit. Discovery of a unique bimodal karyotype in Agave and Yucca eventually led to a reexamination of concepts and relationships in all the lilioid monocots, which continues to the present day. Developments in cytogenetics, microscopy, phylogenetic systematics, and most recently DNA technology have led to remarkable new insights. Large-scale rbcL sequence studies placed Agavaceae with the core Asparagales and identified closely related taxa. Analysis of cpDNA restriction sites, rbcL, and ITS nrDNA sequences all supported removal of Dracaenaceae, Nolinaceae, and clarified relationships. Agavaceae s.s. presently consists of Agave, Beschorneria, Furcraea, Hesperaloe, Hesperoyucca, Manfreda, Polianthes, Prochnyanthes, and Yucca. In this paper we analyze recently obtained ndhF sequence data from Agavaceae and Asparagales and discuss the implications for classification. Parsimony analysis of ndhF data alone resolves most genera of Agavaceae and supports the inclusion of Camassia, Chlorogalum, Hesperocallis, and Hosta within Agavaceae s.l. Analysis of combined ndhF and rbcL data sets of selected Asparagales results in better resolution and stronger bootstrap support for many relationships. Combination of all available ndhF, rbcL, and ITS data in a single analysis results in the best resolution currently available for Agavaceae s.l. Implications for classification schemes past and present are discussed.

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Section: Early Diverging Members Of Agavaceaementioning

confidence: 99%

“…1985;Speta 1998). Camassia has six species, mostly in western North America, with C. scilloides widespread in the central USA (Gould 1942). Chlorogalum has five species in western North America, mostly in California (Hoover 1940).…”

Section: Early Diverging Members Of Agavaceaementioning

confidence: 99%

Phylogeny of Agavaceae Based on ndhF, rbcL, and its Sequences

Bogler¹,

Pires²,

Francisco‐Ortega³

2006

aliso

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“…1A-D). Notably, all members of Chlorogaloideae have a bimodal karyotype, in which chromosomes fall into two distinct groups of sizes (Sato 1935;Gould 1942;Sherman 1969;Cave 1970;Fernandez and Daviñ a 1991). The discovery of this character first indicated a close relationship to members of Agavaceae, in which the presence of bimodal karyotypes has long been recognized (McKelvey and Sax 1933;Akemine 1935;Sato 1935;Watkins 1936;Granick 1944;Cave 1948Cave , 1970Sen 1975;Tamura 1995;Pires et al 2006;McKain et al 2012).…”

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confidence: 99%

A Chloroplast Phylogeny of Agavaceae subfamily Chlorogaloideae: Implications for the Tempo of Evolution on Serpentine Soils

Halpin¹,

Fishbein²

2013

Systematic Botany

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“…For instance, the historical presence of camas (C. quamash, C. leichtlinii) in Alaska (Pojar and MacKinnon 1994, p. 108), western Vancouver Island, northern Oregon (Deur 2005), and the central Fraser Valley (Gould 1942;Duff 1952) -where it no longer grows today, are possible examples of such range extensions. The presence of camas in places well out of its current range, or in ecosystems that would be naturally unsuitable (e.g., too densely vegetated), suggests both transplanting of nonlocal bulbs and the maintenance of habitats suitable for the introduced plants through the setting of prescribed fires (Deur 2005; see below).…”

Section: The Evidencementioning

confidence: 99%

Documenting ancient plant management in the northwest of North AmericaThis paper was submitted for the Special Issue on Ethnobotany, inspired by the Ethnobotany Symposium organized by Alain Cuerrier, Montréal Botanical Garden, and held in Montréal at the 2006 annual meeting of the Canadian Botanical Association.

Lepofsky

Lertzman

2008

Botany

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Ethnographic literature documents the pervasiveness of plant-management strategies, such as prescribed burning and other kinds of cultivation, among Northwest Peoples after European contact. In contrast, definitive evidence of precontact plant management has been elusive. Documenting the nature and extent of precontact plant-management strategies has relevance to historians, archaeologists, managers, conservationists, forest ecologists, and First Nations. In this paper, we summarize the various lines of evidence that have been, or could be, used to document ancient cultivation in the northwest of North America. We organize this discussion by the ecological consequences of ancient plant-management practices and their documented or potential visibility in the paleo-, neo-ecological, and archaeological records. Our review demonstrates that while finding evidence of ancient plant management can be difficult, such evidence can be found when innovative research methods are applied. Further, when various independent lines of evidence are compiled, reconstructions of past plant-management strategies are strengthened considerably.Résumé : La littérature ethnographique fait état de l'ubiquité des stratégies d'aménagement de la végétation, comme le brûlage contrôlé et autres types de culture, chez les populations du Nord-ouest, après le contact avec les Européens. Au contraire, on retrace plus difficilement les preuves d'aménagement de la végétation avant le contact. La documentation sur la nature et l'étendue des stratégies d'aménagement des végétaux avant le contact intéresse les historiens, les archéologis-tes, les aménagistes, les écologistes forestiers et les Premières Nations. Les auteurs résument les divers éléments de preuves qui ont été ou ont pu servir à documenter l'agriculture ancienne, dans le nord-ouest de l'Amérique du Nord. Les auteurs présentent une discussion selon les conséquences écologiques des anciennes pratiques d'aménagement des végétaux et leur visibilité documentée ou potentielle dans les archives paléo-, néo-écologiques, et archéologiques. Cette revue dé-montre qu'en dépit de la difficulté de trouver des preuves d'aménagements anciens de la végétation, on peut y arriver en utilisant des méthodes de recherche innovantes. De plus, l'utilisation de diverses lignées de preuves indépendantes, renforce considérablement les reconstructions des anciennes stratégies d'aménagement de la végétation.

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A Systematic Treatment of the Genus Camassia Lindl.

Cited by 28 publications

References 0 publications

Phylogeny of Agavaceae Based on ndhF, rbcL, and its Sequences

Phylogeny of Agavaceae Based on ndhF, rbcL, and its Sequences

A Chloroplast Phylogeny of Agavaceae subfamily Chlorogaloideae: Implications for the Tempo of Evolution on Serpentine Soils

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