Ipomoea

A. V., Kattee, S. B., Patil & Shimpale, V. B., 2024, Ipomoea simoesiana (Convolvulaceae): a new species from the Western Ghats, India, Rheedea 34 (5), pp. 476-482 : 481

Key to yellow flowered Ipomoea in India

1. Leaves palmatipartite; sepals protuberant at centre ............................................ I. tuberculata

1. Leaves entire; sepals flat ................................ 2.

2. Roots fibrous; stems glabrous to puberulous; seeds glabrous or tomentellous ..................... 3.

2. Roots tuberous; stems densely hirsute; seeds hirsute ............................................ I. simoesiana

3. Corolla tubes ≤ 1.5 cm; corolla 2–3 cm wide at mouth ................................................... I. obscura

3. Corolla tubes ≥ 2 cm long; corolla 5–6 cm wide at mouth ……… ..............................…………… 4

4. Plants with milky latex; stamens equaling the corolla tube; fruits globose …....... ..… I. clarkei

4. Plants without milky latex; stamens ¼ of corolla tube; fruits ovoid .................. I. ochracea

Table 1. Morphological comparison of Ipomoea ochracea and I. simoesiana along with cytological data