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Tuesday, February 13, 2018

Western Thimbleberry, Rubus parviflorus

Western Thimbleberry, Rubus parviflorus:

recommended as better than salmonberry by paul odonnel





Rubus parviflorus (Thimbleberry) is a species in the Rosaceae (Rose) family native to western and northern North America, from Alaska east to Ontario and Michigan and south to northern Mexico. It is widespread in California. It grows from sea level in the north, up to 2,500 meter altitude in the south of the range. It is a dense shrub up to 2.5 meter tall with canes 3-15 millimeter diameter, often growing in large clumps which spread through the plant's underground rhizome. Rubus is the genus of raspberries and blackberries, but unlike most other members of the genus, it has no thorns. The leaves are palmate, 5-20 centimeter across, with five lobes; they are soft and fuzzy in texture. The flowers are 2-6 centimeter diameter, with five white petals and numerous pale yellow stamens. It produces a tart edible composite fruit 10-15 millimeter diameter, which ripen to a bright red in mid to late summer. Like other raspberries it is not a true berry, but instead an aggregate fruit of numerous drupelets around a central core; the drupelets may be carefully removed separately from the core when picked, leaving a hollow fruit which bears a resemblance to a thimble, perhaps giving the plant its name; it is also said that it may get its name from the Thimble Islands in Connecticut, though it is rarely seen there.

 "Rubus parviflorus"



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