Notes:
This species is rather robust, in particular in its rather large leaves and flowers. It is similar to Ladenbergia pavonii, but differs in having the leaves glabrous to sparsely appressed-pubescent below, the calyx limb longer (5-7 mm), and the corolla lobes longer (19-30 mm), vs. the leaves sparsely to densely hirtellous below, the calyx limb shorter (2.7-3.1 mm), and the corolla lobes shorter (12-17 mm) in L. pavonii. Ladenbergia epiphytica is also similar to L. heterophylla, however L. heterophylla can be separated by its smaller flowers, with the corolla tube 38-50 mm long, and leaves that are plane, vs. the corolla tube 65-75 mm long and the leaf margins thinly revolute in L. epiphytica.
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