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Triadenum
See list of 2 species in this genus-
1a. Sepals 5–8 mm long, acute to acuminate at the apex; petals 8–10 mm long; styles 2–3 mm long; capsules gradually tapering to the apex
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1b. Sepals 3–5 mm long, obtuse to rounded at the apex; petals 5–8 mm long; styles 0.5–1.5 mm long; capsules somewhat abruptly tapering to the apex
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Each photo represents one species in this genus.