Ranunculus allenii

Ranunculus allenii is a plant of the family Ranunculaceae.

Description

The stems are 5-19 inches long, erect or decumbent and weak fine hairs. Each stem bears 1-4 flowers. The roots are slender and 0.2 to 0.8 millimeters thick. The basal leaves are subject to change. Your leaf blade is 1.4 to 2.1 × 1.7 to 2.8 inches in size, kidney-shaped to semicircular and undivided or three parts. The leaf base is cordate or truncate, leaf margin has more than 5 scores and on the blade tip is rounded. The flower stalk is fine or sometimes sparsely hairy on. The Rezeptakel is hispid. The sepals are covered with fine hair 4-6 × 2-3 mm tall and on the bottom. The hairs are colorless. The 5 petals are 4-5 × 2-4 mm in size. Nectar scale is hairless. The head of achenes n is 4-7 × 4-6 mm in size and ovoid to cylindrical. The achenes are 1.6 to 1.8 × 1.2 to 1.4 millimeters long and hairless. The beak is 0.4 to 0.6 mm long, lanceolate - subulate and bent.

The chromosome number is 2n = 32

The species flowers from July to August.

Occurrence

Ranunculus allenii occurs in Newfoundland, Quebec and Nunavut. The species grows on moist alpine grassland, where it is often found to not yet melted off snow drifts, as well as on the banks of flowing and standing waters at altitude 700-1300 meters.

System

Ranunculus allenii was first described in 1905 by Benjamin Lincoln Robinson.

Documents

• Alan T. Whittemore: Ranunculus allenii. In: Flora of North America. Vol 3 online