Ranunculus allenii
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Ranunculus allenii is a species of the buttercup family.
description
The stems are 5 to 19 centimeters long, erect or prostrate and slightly hairy. Each stem bears 1 to 4 flowers. The roots are slender and 0.2 to 0.8 millimeters thick. The basal leaves are permanent. Your leaf blade is 1.4 to 2.1 × 1.7 to 2.8 centimeters in size, kidney-shaped to semicircular and undivided or three-part. The leaf base is heart-shaped or truncated, the leaf edge has more than 5 notches and the leaf tip is rounded. The flower stalk is fine or sometimes hairy sparsely. The recipe is stiff-haired. The sepals are 4 to 6 × 2 to 3 millimeters in size and finely hairy on the underside. The hair is colorless. The 5 petals are 4 to 5 × 2 to 4 millimeters in size. The nectar scale is hairless. The head of the achenes is 4 to 7 × 4 to 6 millimeters in size and ovoid to cylindrical. The achenes are 1.6 to 1.8 × 1.2 to 1.4 millimeters in size and hairless. The beak is 0.4 to 0.6 millimeters long, lanceolate-subulate and curved.
The number of chromosomes is 2n = 32.
The species blooms from July to August.
Occurrence
Ranunculus allenii is found in Newfoundland , Quebec, and Nunavut . The species grows on moist alpine grassland, where it can often be found on snowdrifts that have not yet melted, as well as on the banks of flowing and standing water at altitudes of 700 to 1300 meters.
Systematics
Ranunculus allenii was first described by Benjamin Lincoln Robinson in 1905 .
supporting documents
- Alan T. Whittemore: Ranunculus allenii . In: Flora of North America. Vol. 3 . on-line
Web links
- Distribution map of Ranunculus allenii in the Flora of North America