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1 Sepals acuminate apically, persistent on the fruit; capsule elliptical, 1.0-1.6 cm long, 6-8 mm broad, the tapering tip bearing a definite beak 2.4-4.2 3 mm long; seeds wingless; flowers odorless (rarely fragrant), usually golden-yellow; leaf with small patch of spreading trichomes at extreme base on the lower surface
1 Sepals obtuse to broadly acute, not persistent on the fruit; capsule oblong, 1.5-2.5 cm long, 8-12 mm broad, very abruptly narrowed to a beak 1.5-2 mm long; seeds with a prominent membranous wing sharply differentiated from the body of the seed; flowers fragrant, usually lemon-yellow; leaf glabrous on the lower surface