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Scrophulariaceae
See list of 4 genera in this family-
1a. Amphibious plants of tidal shores with horizontal stems emitting from the nodes clusters of linear leaves and sometimes also peduncles bearing a solitary flower with a ± actinomorphic, 5-merous corolla
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1b. Terrestrial plants with upright stems and variable leaves wider than linear, with inflorescences borne on a stem bearing flowers with weakly to conspicuously zygomorphic corollas (actinomorphic in Buddleja, but then 4-merous)
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2a. Plants woody; flowers actinomorphic
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2b. Plants herbaceous (though often with firm, persistent stems); flowers weakly to conspicuously zygomorphic [Figs. 907,908]
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3a. Foliage leaves all basal or alternate; corolla weakly zygomorphic, rotate [Fig. 908]; androecium composed of 5 stamens, all of which bear pollen; plants biennial
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3b. Foliage leaves opposite; corolla zygomorphic, bilabiate [Fig. 907]; androecium composed of 5 stamens—4 pollen-bearing, 1 sterile; plants perennial
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Each photo represents one genus in this family.