Eastern Mojave Vegetation Flower of Coll. No. 2274, Ranunculus acris  


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  Ranunculaceae Ranunculus acris
Coll. No. 2274, Ranunculus acris.

Native and Naturalized Flora of the Golden Area, Jefferson County, Colorado

Ranunculus acris L.  Tall Buttercup.

Tucker Gulch (lower), Jefferson County, Colorado. Creekside just below the First Street Bridge, 1.69 km. north northwest of the GNIS location of Golden 39.7665N, 105.2265W. WGS 1984 Elev. 1761 m. Rooted in the lowest bank of the creek. Also collected nearby: Chorispora tenella, Euphorbia esula, and Poa bulbosa.

Collected by permit: City of Golden, 2020, issued: Apr 9, 2020, to: Tom Schweich.

Tom Schweich 2274. 12-May-2020

Coll. No. 2274, 12 May 2020, characters observed: Perennial herb, to 30 cm., aquatic; Leaves, mostly basal with few cauline, compound, deeply parted, margins toothed; Petioles, spreading hairs; Flowers, actinomorphic, sepals, present, 9 mm. × 2.5 mm. wide, ovate, hairy, white/translucent, petals, yellow, 17 mm. × 12.5 mm. wide, obovate, notched, not spurred; Pistil, many; Achenes, immature, small, glabrous, abruptly curved short beak.

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Date and time this page was prepared: 5/10/2024 11:15:37 AM