The Jepson Manual: Higher Plants of California

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  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

Names are linked to treatments from the Manual


Key to GRATIOLA

N.B.: couplets are linked, e.g., 1. is linked to 1'.

  1. Pedicel with 2 sepal-like bractlets below calyx; corolla 2–3 × calyx
 G. neglecta
  1' Pedicel without bractlets; corolla ± = calyx
 
    2. Leaves and sepals long-tapered; sepals 8–11 mm, equal; corolla throat yellow, limb white
 G. ebracteata
    2' Leaves and sepals truncate; sepals 4–6 mm, unequal; corolla yellow (only 3 lower lobes white)
 G. heterosepala

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