Small branches with lenticels; leaflets ovate-oblong to elliptic-oblong, obtuse to acuminate, base rounded to cuneate, sometimes almost heart-shaped, 4-9 cm, glandular, lepidote, reticulate; flowers dark pink-violet; calyx spathaceous, 1.6-1.8 cm, separate on one side up to the middle; corolla 4-5 cm; capsule some 11 cm, 1.3 cm wide, slightly twisted or straight, glandular, lepidote.
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