Butia yatay: Difference between revisions

Glassman inIn his 1979 key to the genus ''[[Butia]]'', Glassman compares this species with ''[[Butia paraguayensis|B. paraguayensis]]'', the main differences being the taller trunk, the longer leaf rachis with more wider and longer pinnae, the spathe (being almost twice the size), and larger fruit, beyond the range of ''B. paraguayensis''.<ref name=Glassman1979/>

In Brazil it only occurs in the southernmost state of [[Rio Grande do Sul]], and there only in the municipalities of [[Giruá]] and [[Quaraí]].<ref name=Brazil2020/><ref name=Soares2015/> In Argentina it occurs in the northern-center provinces of [[Chaco Province|Chaco]], [[Corrientes Province|Corrientes]], [[Entre Ríos Province|Entre Ríos]], [[Misiones Province|Misiones]] (in the municipalities of [[Candelaria (Misiones)|Candelaria]] and [[San Ignacio, MisionesArgentina|San Ignacio]]) and [[Santa Fe Province|Santa Fe]]. In Uruguay it only occurs to the west in the departments of [[Paysandú Department|Paysandú]] and [[Río Negro Department|Río Negro]].<ref name=Conosur/>

This slow-growing palm grows to 12<ref name=PALMweb>{{cite web |url=http://www.palmweb.org/cdm_dataportal/taxon/399e3b32-290e-4a25-bb9e-01ca937ce77b |title=Butia yatay (Mart.) Becc., Agric. Colon. 10 498 (1916) - PALMweb |author=<!--Not stated--> |date=2013 |website=Palmweb - Palms of the World Online |publisher=Royal Botanic Gardens, Kew |access-date=14 September 2018}}</ref>-18m<ref name=Palmar/> tall, with a trunk diameter of 50&nbsp;cm,<ref name=Palmar/> in giant, ancient, almost monoculture groves in savannah habitats (called ''[[Pampas|pampa]](s)'' in BrazilLatin America).<ref name=Brazil2020/><ref name=CNCFlora/><ref name=Palmar/><ref name=PALMweb/><ref name=Anodorhynchus>{{Cite journal|last1=Yamashita |first1=Carlos |last2=de Paula Valle |first2=Mauro |year=1993 |title=On the linkage between Anodorhynchus macaws and palm nuts, and the extinction of the Glaucous Macaw |journal=[[Bulletin of the British Ornithologists' Club]] |volume=113 |pages=53–60 |url=http://biostor.org/reference/112167 |access-date=14 September 2018}}</ref> It is usually found in sandy soils,<ref name=Palmar/> which are often much rockier than that in which other ''Butia'' are found.<ref name=pollen/> It grows at altitudes of 0-500m.<ref name=Conosur/>

In 2008 the conservation status in Brazil was classified as 'data deficient' by the federal Ministério do Meio Ambiente. In 2012 the conservation status in Brazil was evaluated as 'vulnerable' by the [[Centro Nacional de Conservação da Flora]]. Although it occurs over an extensive range, both the size and quality of the remaining habitat is threatened due to the expansion of forestry and agricultural activities.<ref name=CNCFlora/>