The Classification of Poaceae: Subfamilies and Supertribes

Watson, L.; Clifford, H. T.; Dallwitz, MJ

doi:10.1071/bt9850433

Cited by 130 publications

(69 citation statements)

References 30 publications

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“…The tribe was raised to subfamily level by Soderstrom (1981), a decision followed by Clayton and Renvoize (1986), emphasizing the centothecoid embryo and leaf anatomical characters, mainly the palisade arrangement in the mesophyll. As previously mentioned, Soderstrom (1981), Watson et al (1985), and Watson and Dallwitz (1992) included the tribe within Bambusoideae, while Barker et al (1995), Clark et al (1995), Soreng and Davis (1998), Gómez-Martínez and Culham (2000), and Sánchez- Ken and Clark (2003) pointed out, based on molecular characters, the relationship of Centotheceae with Panicoideae.…”

Section: Centotheceaementioning

confidence: 99%

“…CLASSIFICATION In our classification of Panicoideae in the New World (Table 1; http://mobot.mobot.org/W3T/Search/nwgclass.html) we recognize eight tribes (Andropogoneae, Arundinelleae, Centotheceae, Gynerieae, Isachneae, Paniceae, Steyermarkochloeae, and Thysanolaeneae), with nine subtribes in Andropogoneae (Andropogoninae, Anthistiriinae, Coicinae, Germainiinae, Ischaeminae, Rottboelliinae, Saccharinae, Sorghinae, and Tripsacinae) and seven subtribes in Paniceae (Arthropogoninae, Cenchrinae, Digitariinae, Melinidinae, Panicinae, Paspalinae, and Setariinae). This realignment is based on previous morphological and molecular work (Clayton and Renvoize 1986;Watson and Dallwitz 1992;Gómez-Martinez and Culham 2000;Zuloaga et al 2000;Giussani et al 2001;GPWG 2001;Sánchez-Ken and Clark 2001;Barber et al 2002;Aliscioni et al 2003).…”

Section: Methodsmentioning

confidence: 99%

“…The tribe includes four genera in America usually found in savanna woodlands New World Panicoideae Renvoize (1982), Clayton and Renvoize (1986), and Watson and Dallwitz (1992). Clayton and Renvoize (1986) and Kellogg and Watson (1993) considered Arundinelleae to be phylogenetically basal to Andropogoneae.…”

Section: Arundinelleaementioning

confidence: 99%

“…), in Arundineae (Renvoize 1981;Clayton and Renvoize 1986;Conert 1987;Nicora and Rúgolo de Agrasar 1987). Hitchcock (1914) placed the genus in Festuceae, Caro (1982) in Cortaderieae, and Watson and Dallwitz (1992) in Danthonieae. More recently, based on molecular studies, Hsiao et al (1998Hsiao et al ( , 1999 classified Gynerium in Arundinoideae.…”

Section: Gynerieaementioning

confidence: 99%

“…Clayton and Renvoize (1986) recognized Centothecoideae as an independent subfamily. Watson and Dallwitz (1992) accepted six tribes in the subfamily: Andropogoneae, Arundinelleae, Isachneae, Maydeae, Neurachneae, and Paniceae. These authors placed Centotheceae in Bambusoideae, Steyermarkochloeae and Eriachneae in Arundinoideae, and Hubbardieae in Isachneae.…”

Section: Introductionmentioning

confidence: 99%

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Classification and Biogeography of Panicoideae (Poaceae) in the New World

Zuloaga¹,

Morrone²,

Davidse³

et al. 2007

aliso

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Panicoideae (Poaceae) in the New World comprise 107 genera (86 native) and 1357 species (1248 native). As circumscribed herein, Panicoideae include eight tribes: Andropogoneae, Arundinelleae, Centotheceae, Gynerieae, Isachneae, Paniceae, Steyermarkochloeae, and Thysanolaeneae. The two major tribes are Andropogoneae with 230 species (16.95% of all New World panicoids), and Paniceae with 1082 species (79.73%). Andropogoneae are divided into nine subtribes (Andropogoninae, Anthistiriinae, Coicinae, Germainiinae, Ischaeminae, Rottboelliinae, Saccharinae, Sorghinae, and Tripsacinae), while Paniceae are divided into seven subtribes (Arthropogoninae, Cenchrinae, Digitariinae, Melinidinae, Panicinae, Paspalinae, and Setariinae). Brazil is the center of diversity of New World panicoids with 741 species (54.6% of all species). The distributions of endemic and restricted taxa were analyzed in terms of biogeographical regions and Kranz syndrome. Amphitropical disjuncts and widespread species are also discussed.

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Section: Centotheceaementioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Arundinelleaementioning

confidence: 99%

Section: Gynerieaementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Classification and Biogeography of Panicoideae (Poaceae) in the New World

Zuloaga¹,

Morrone²,

Davidse³

et al. 2007

aliso

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Immunological Affinities Among Subfamilies of the Poaceae

Esen

Hilu

1989

American J of Botany

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Immunological affinities were investigated among twenty taxa belonging to the grass subfamilies Pooideae, Chloridoideae, Panicoideae, Oryzoideae, and Bambusoideae. Antisera were raised to the prolamin fraction of seed proteins from species of eleven grass genera (Hordeum, Bromus, Festuca, Phleum, Elensine, Panicum, Pennisetum, Tripsacum, Dendrocalamus, and Oryza) and reacted with their homologous antigens and nineteen different heterologous antigens in Enzyme‐Linked Immunosorbent Assay (ELISA). The immunological cross‐reactivity among the eleven taxa whose prolamin was used for antisera production was analyzed quantitatively by generating matrices of averaged cross‐reactivities, Q correlation and distance. The averaged cross‐reactivity matrix was calculated from averaging reciprocal immunological reactions while the two other matrices were computed by considering each antiserum as a character and antigens as OTUs. The three matrices were subjected to clustering by the Unweighted Pair Group Method using Arithmetic Averaging (UPGMA). The phenogram based on the averaged similarity matrix showed some distortion, while the other two phenograms were similar in topology and were informative. A phenon line at r = 0.17 divided the phenogram based on Q correlation into four major groups: Pooideae, Oryzoideae, Bambusoideae, and Chloridoideae‐Panicoideae. The two subfamilies in the Chloridoideae‐Panicoideae group clustered at a correlation coefficient of 0.22. Within the Pooideae, the tribes Aveneae and Agrostideae were closely grouped together (r = 0.85), but they were quite distinct (r = 0.16) from the tightly clustered (r = 0.84–0.85) Bromeae, Poeae, and Triticeae. The Oryzoideae and Bambusoideae showed low immunological similarity (r = –0.07). The two tribes of the Panicoideae, Paniceae and Andropogoneae, displayed extensive immunological similarity clustering tightly at r = 0.84–0.86. The immunological data revealed a possible trend in grass evolution encompassing the chloridoid‐panicoid groups and provided insights into the phylogenetic affinities of the bambusoid and oryzoid grasses. The results also underscored the heterogeneity of the taxa within the Pooideae.

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Vascular System of the Floret of Leersia Virginica (Gramineae‐oryzoideae)

Pizzolato

1989

American J of Botany

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The vascular system of the floret of Leersia is unified yet is segmented according to the appendages it serves. The rachilla at the floret base contains a collateral bundle related to the median trace of the lemma. The palea median trace joins the posterior of this bundle in the rachilla as the lemma laterals merge with the anterior. Although the stamen traces enter at the flanks of this rachilla bundle, they do not become fully incorporated into the system until near the floret base where the rachilla bundle, lemma laterals, and palea laterals converge. Traces from the lodicules attach to the anterior of the stamen traces. The base of the vascular system of the pistil, the pistil plexus, attaches tenuously by a bundle to the lower system between the entrance of the stamen traces. A bundle from each style attaches near the anterior of the pistil plexus below the level where the posterior of the pistil plexus rises, as the placental bundle, to merge with the ovule. Characteristics of the vascular system of Leersia, such as the relative discreteness of the staminal and stylar traces and the lack of both the anterior pistil bundle and the xylem discontinuity, are useful for delimiting the Oryzoideae from the Festucoideae.

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The Classification of Poaceae: Subfamilies and Supertribes

Cited by 130 publications

References 30 publications

Classification and Biogeography of Panicoideae (Poaceae) in the New World

Classification and Biogeography of Panicoideae (Poaceae) in the New World

Immunological Affinities Among Subfamilies of the Poaceae

Vascular System of the Floret of Leersia Virginica (Gramineae‐oryzoideae)

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