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See list of 2 species in this genus
  • 1a. Corolla ochroleucous to pink or red-striate, (4–) 5–9 mm long; basal connate portion of calyx 1–2 mm long; stipules inconspicuous glands; flowers solitary, borne on axillary peduncles; plants annual
  • 1b. Corolla yellow, 10–14 mm long; basal connate portion of calyx 2.5–3.5 mm long; stipules foliaceous, resembling the leaflets; flowers borne in peduncled umbels; plants perennial

 Show photos of:   Each photo represents one species in this genus.