Synaphea parviflora is a species of flowering plant in the family Proteaceae and is endemic to the south west of Western Australia. It is a shrub with hairy stems, pinnatipartite leaves, the end lobes thick, linear to triangular, and spikes of moderately crowded yellow flowers.
Synaphea parviflora is a shrub with stems up to long and covered with woolly hairs. The leaves are widely spaced, pinnatipartite, long and wide on a petiole long, the end lobes linear to triangular, wide and thick. The flowers are yellow and moderately crowded, borne in spikes long on a peduncle up to long and covered with woolly hairs. The bracts are long and hairy. The perianth is ascending with a moderately opening, the upper tepal long and wide and curved, the lower tepal long. The stigma is oblong with two lobes long, wide, and the ovary is covered with silky hairs. Flowering occurs from July to October, and the fruit is oval, long, beaked and hairy.
Synaphea parviflora was first formally described in 1995 by Alex George in the Flora of Australia from specimens collected near Tarin Rock in 1964. The specific epithet (parviflora) means 'small-flowered'.
This species of Synaphea grows kwongan in the Tarin Rock-Lake Grace area.
Synaphea parviflora is listed as "Priority Two" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions, meaning that it is poorly known and from one or a few locations.