Argyreia

Simões, A. R., Silva, H. & Silveira, P., 2011, The Convolvulaceae of Timor with special reference to East Timor, Blumea 56 (1), pp. 49-72 : 50

Key to the species of Argyreia

1. Sepals unequal, two outer ones (10 –) 15–18 mm long, two inner ones (7–) 8 –9 mm; the outer ones with more or less undulate margins. Corolla funnel-shaped, purplish pink, 3 –4.5 cm long................... 2. A. reinwardtiana

1. Sepals subequal, 5 –8 mm long; margins entire. Corolla tubular to funnel-shaped, whitish or yellowish, 2 – 3 cm long. 2

2. Leaves broadly ovate to ovate; length less than two times the width. Lower surface densely pubescent to tomentose with short curled hairs................. 3. A. walshae

2. Leaves narrowly ovate; length two or more times the width. Lower surface sparsely to rather densely pilose with short appressed, straight hairs................. 1. A. paivae