Types of enrichment axes in Poaceae

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

doi:10.1016/j.flora.2008.05.002

Cited by 7 publications

(5 citation statements)

References 11 publications

(12 reference statements)

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“…2D). Consequently, in these species, the SIZ behaves as a zone of innovation as well as as a zone of enrichment -a rare character in the Poaceae (Tivano et al, 2009) and only present in very few genera within the Chloridoideae (Campbell et al, 1983).…”

Section: Discussionmentioning

confidence: 99%

“…1 and 2). These models correspond to the following synflorescence types (Table 2) characterized by Tivano et al (2009): synflorescence type S I (P. pappiferum), synflorescence type S II (the rest of the studied species of Pappophorum, Schmidtia, Kaokochloa and the species of Enneapogon without cleistogamous UIF), synflorescence type S III (Enneapogon desvauxii, E. asperatus, E. caerulescens, E. cylindricus) and synflorescence type S IV (C. pappophoroides).…”

mentioning

confidence: 91%

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Growth forms in Pappophoreae (Poaceae)

Tivano

Vegetti

2010

Flora - Morphology, Distribution, Functional Ecology of Plants

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Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 91%

Growth forms in Pappophoreae (Poaceae)

Tivano

Vegetti

2010

Flora - Morphology, Distribution, Functional Ecology of Plants

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“…Both the type specimen and photos were used for making descriptions. The terms applied to the flowering structure in the analysis mainly follow the synflorescence concept applied to grasses (Cai and Xia 2021 ; Muchut et al 2018 ; Reinheimer and Vegetii 2008 ; Stapleton 1997 ; Tivano et al 2009 ; Vegetti and Müller-Doblies 2004 ). As the feature of branches bearing only a single foliage leaf is uncommon among bamboos, we specially examined and documented branch complements and axes at different stages of flowering to adduce their development from onset of flowering to senescence.…”

Section: Methodsmentioning

confidence: 99%

Gelidocalamus fengkaiensis (Poaceae: Bambusoideae), a new bamboo species from Guangdong, China, with an analysis of branch development in relation to flowering

et al. 2021

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Background Bamboos, widely distributed in temperate and tropical Asia, Africa and America, refer to a group of special plants in Poaceae, Bambusoideae. China is rich in bamboo species. However, due to a long flowering cycle, the flowering habit and the flowering structure of many bamboo species are still not well understood. Here, we report a new bamboo species from Guangdong, China and an analysis of its interesting branch development in relation to flowering. Results This species is similar to G. stellatus, the type species, but differs in the characteristics of its lemma and palea, mid-culm branch complement, and culm-sheath ligules. The initial branches at a culm node do not apically develop flowering structures during a flowering episode; instead, these form on what appears to be specialized flowering branches. Conclusions The results of morphological comparison support the recognition of Gelidocalamus fengkaiensis as a new species. And during a flowering episode, two branch types (‘foliage branch’ and ‘flowering branch’) can be distinguished in this species.

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“…A special case of enrichment axes is found in the short internode zone in which cleistogamous, often underground, spikelet-bearing axes may be observed (Tivano et al, 2009). This syndrome is present in several taxa of subfamily Pooideae (Barker, 2005) and in tribe Pappophoreae Vegetti, 2004, 2010;Tivano et al, 2009).…”

Section: Enrichment Zonementioning

confidence: 99%

“…This syndrome is present in several taxa of subfamily Pooideae (Barker, 2005) and in tribe Pappophoreae Vegetti, 2004, 2010;Tivano et al, 2009).…”

Section: Enrichment Zonementioning

confidence: 99%