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Lithospermum Linnaeus. Gromwell, Puccoon, Stoneseed.

Key to Lithospermum

A genus of about 80 species, herbs (mostly perennials), nearly cosmopolitan. Studies strongly suggest that Onosmodium is better included in a broadened Lithospermum (Cohen & Davis 2009; Weigend et al. 2009), as Onosmodium is embedded within Lithospermum in a subclade also including L. tuberosum; morphologically, Onosmodium shows a subset of the characteristics in a broader and more diverse Lithospermum.

Ref: Al-Shehbaz (1991); Cochrane (1976); Cohen (2022); Cohen & Davis (2009); Cusick (1985); Turner (1995a); Weakley et al. (2011); Weigend et al. (2009); Weigend et al. (2016) In Kadereit & Bittrich (2016). Show full citations.

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