Descriptive characters of growth form in Poaceae—An overview

Perreta, Mariel Gladis; Ramos, Júlio César; Tivano, J. C.; Vegetti, Abelardo Carlos

doi:10.1016/j.flora.2010.04.022

Cited by 13 publications

(9 citation statements)

References 39 publications

(84 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…6d). The short internode zone can be distinguished from the long internode zone from a marked shift in the length of internode sections (see Perreta et al 2011 for further detail). However, in some species or individuals, this transition is gradual or otherwise unclear, with delimitation of the short internode zone thus being somewhat arbitrary (Perreta et al 2011); a more conservative assessment is recommended, with the crucial point being that the leaf-sheath count is restricted to the section considered to be the short internode zone.…”

Section: Methodsmentioning

confidence: 99%

Corrigendum to: A handbook for the standardised sampling of plant functional traits in disturbance-prone ecosystems, with a focus on open ecosystems

Wigley¹,

Charles‐Dominique²,

Hempson³

et al. 2021

Aust. J. Bot.

View full text Add to dashboard Cite

Plant functional traits provide a valuable tool to improve our understanding of ecological processes at a range of scales. Previous handbooks on plant functional traits have highlighted the importance of standardising measurements of traits to improve our understanding of ecological and evolutionary processes. In open ecosystems (i.e. grasslands, savannas, open woodlands and shrublands), traits related to disturbance (e.g. herbivory, drought, and fire) play a central role in explaining species performance and distributions and are the focus of this handbook. We provide brief descriptions of 34 traits and list important environmental filters and their relevance, provide detailed sampling methodologies and outline potential pitfalls for each trait. We have grouped traits according to plant functional type (grasses, forbs and woody plants) and, because demographic stages may experience different selective pressures, we have separated traits according to the different plant life stages (seedlings saplings and adults). We have attempted to not include traits that have been covered in previous handbooks except for where updates or additional information was considered beneficial.

show abstract

Section: Methodsmentioning

confidence: 99%

Corrigendum to: A handbook for the standardised sampling of plant functional traits in disturbance-prone ecosystems, with a focus on open ecosystems

Wigley¹,

Charles‐Dominique²,

Hempson³

et al. 2021

Aust. J. Bot.

View full text Add to dashboard Cite

show abstract

“…The short internode zone can be distinguished from the long internode zone from a marked shift in the length of internode sections (see Perreta et al 2011 for further detail). However, in some species or individuals, this transition is gradual or otherwise unclear, with delimitation of the short internode zone thus being somewhat arbitrary (Perreta et al 2011); a more Plant-trait sampling protocols for open ecosystems Australian Journal of Botany Y Ti conservative assessment is recommended, with the crucial point being that the leaf-sheath count is restricted to the section considered to be the short internode zone.…”

Section: Methodsmentioning

confidence: 99%

“…they decompose), although the scars may still be evident. In this case, a value of zero is simply recorded for the number of leaf sheaths; we suggest that the length of the short internode zone is still measured, because it can provide insights into the architectural flexibility of the species (Perreta et al 2011). Considering this trait alongside information on tuft basal diameter and number of culms may provide a more complete assessment of the degree to which buds are protected.…”

Section: Notesmentioning

confidence: 99%

A handbook for the standardised sampling of plant functional traits in disturbance-prone ecosystems, with a focus on open ecosystems

et al. 2020

View full text Add to dashboard Cite

show abstract

“…Grasses rank among the most successful groups of plants, having colonized most ecosystems around the world. This feat was facilitated by the flexibility of their growth plan and variation in life strategies [ 11 – 13 ], but the intraspecific dynamics underlying the emergence and spread of distinct growth forms within grasses are poorly studied. The grass genus Alloteropsis is composed of five recognized species [ 14 , 15 ].…”

Section: Introductionmentioning

confidence: 99%

Hybridization boosts dispersal of two contrasted ecotypes in a grass species

et al. 2022

View full text Add to dashboard Cite

Genetic exchanges between closely related groups of organisms with different adaptations have well-documented beneficial and detrimental consequences. In plants, pollen-mediated exchanges affect the sorting of alleles across physical landscapes and influence rates of hybridization. How these dynamics affect the emergence and spread of novel phenotypes remains only partially understood. Here, we use phylogenomics and population genomics to retrace the origin and spread of two geographically overlapping ecotypes of the African grass Alloteropsis angusta . In addition to an ecotype inhabiting wetlands, we report the existence of a previously undescribed ecotype inhabiting Miombo woodlands and grasslands. The two ecotypes are consistently associated with different nuclear groups, which represent an advanced stage of divergence with secondary low-level gene flow. However, the seed-transported chloroplast genomes are consistently shared by distinct ecotypes inhabiting the same region. These patterns suggest that the nuclear genome of one ecotype can enter the seeds of the other via occasional pollen movements with sorting of nuclear groups in subsequent generations. The contrasting ecotypes of A. angusta can thus use each other as a gateway to new locations across a large part of Africa, showing that hybridization can facilitate the geographical dispersal of distinct ecotypes of the same grass species.

show abstract

Descriptive characters of growth form in Poaceae—An overview

Cited by 13 publications

References 39 publications

Corrigendum to: A handbook for the standardised sampling of plant functional traits in disturbance-prone ecosystems, with a focus on open ecosystems

Corrigendum to: A handbook for the standardised sampling of plant functional traits in disturbance-prone ecosystems, with a focus on open ecosystems

A handbook for the standardised sampling of plant functional traits in disturbance-prone ecosystems, with a focus on open ecosystems

Hybridization boosts dispersal of two contrasted ecotypes in a grass species

Contact Info

Product

Resources

About