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Yellow Water Buttercup
Ranunculus flabellaris
  
About Yellow Water Buttercup (Ranunculus flabellaris) 0 Nurseries Carry This Plant Ranunculus flabellaris is a species of flowering plant in the buttercup genus, Ranunculus, known by the common name yellow water buttercup. It is native to much of North America, including the southern half of Canada and most of the United States. It is aquatic or semi-aquatic, growing in water or in or near muddy areas in many habitat types. It is a perennial herb that produces stems up to about 70 centimeters long that float in water or spread along wet ground, sometimes rooting where they come in contact with moist substrate. Leaves are variable in morphology; as in many types of aquatic plants, leaves that develop submerged in water look different from those that develop in air. This phenomenon, heterophylly, has been studied extensively in this species, and leaf morphology has been shown to be influenced by many environmental factors, including temperature and the concentration of abscisic acid. A number of other factors affect leaf shape in heterophyllous plants. In this species, leaves that develop in the open air have somewhat rounded blades that are divided into a number of short, blunt, wide lobes. Leaves that develop underwater have narrow, even threadlike lobes. The inflorescence is made up of one or more flowers with five to fourteen, but generally no more than eight, shiny yellow petals. The petals, each up to 1. 3 centimeters in length are arranged around a central nectary with many stamens and pistils. The fruit is an achene borne in a dense cluster.
Plant Description
Plant Type
Plant Type
Perennial Herb

Size
Size
2.3 ft tall

Flower Color
Flower Color
Yellow

Landscaping Information
Natural Setting
Climate
Climate
Annual Precipitation: 16.4" - 69.5", Summer Precipitation: 1.40" - 2.86", Coldest Month: 31.3" - 44.3", Hottest Month: 56.5" - 66.7", Humidity: 1.30" - 17.72", Elevation: 3029" - 6359"


Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora


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