{{Speciesbox | image = Edwards's botanical register (Plate 32) (9201043582).jpg | taxon = Trollius acaulis | authority = Lindl. }}{{Short description|Species of flowering plant}}

'''''Trollius acaulis''''' is a species of flowering plant within the family Ranunculaceae.<ref name=":0">{{Cite web |date=2025-09-26 |title=Trollius acaulis Lindl. |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:715063-1 |access-date=2025-09-26 |website=Royal Botanical Gardens, Kew}}</ref>

== Description == ''Trollius acaulis'' is a clump forming perennial species.<ref name=":1">{{Cite book |last=Phillips |first=Roger |title=Perennials Volume 1 Early Perennials |last2=Rix |first2=Martyn |publisher=Macmillan Publishers |year=1991 |isbn=9780330327749 |page=23}}</ref><ref name=":0" /> This species has deeply lobed leaves with long petioles.<ref>{{Cite web |date=2025-09-26 |title=Trollius acaulis |url=http://encyclopaedia.alpinegardensociety.net/plants/Trollius/acaulis#:~:text=Botanical%20Description,Photo:%20Steve%20Clayton. |access-date=2025-09-26 |website=Alpine Garden Society}}</ref><ref name=":2">{{Cite web |date=2025-09-26 |title=Trollius acaulis Lindl. |url=http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=242426058 |access-date=2025-09-26 |website=eFloras Flora of Pakistan}}</ref> The flowers of this species are yellow in colour and possess 12 to 16 petals.<ref name=":2" /><ref name=":1" /> Flowers are solitary and measure up to 5 cm in diameter.<ref name=":2" />

== Distribution and habitat == ''Trollius acaulis'' is native to Southern Asia, where it is distributed within the countries of Afghanistan, Pakistan and Nepal. It can also be found within the Western Himalayas mountain range.<ref name=":0" /> It is the only known ''Trollius'' species native to Pakistan.<ref>Abdullah, . & Fatima, Abiha & Chen, Chengyu & Yan, Rushan & Naz, Irum & Li, Hui & Shah, Sayed & Islam, Madiha & Ahmed, Ibrar & Tian, Xiaoxuan & Jingjing, Liu. (2025). The chloroplast genome of Trollius acaulis: insights into comparative genomics and phylogenetic relationships. Journal of Asia-Pacific Biodiversity. 10.1016/j.japb.2025.03.008. </ref> The species grows on elevated alpine meadows slopes in moist soils.<ref name=":1" /><ref name=":2" /> Plants can be found at altitudes up to 4100 metres above sea level.<ref name=":2" />

== References == <references />

{{Taxonbar|from=Q1734867}}

acaulis