Disporum undetermined

Hareesh, V. S., Floden, A. & Sabu, M., 2018, Disporum mishmiensis (Colchicaceae), a new species from North East India, Blumea 63 (2), pp. 121-124 : 124

KEY TO THE DISPORUM SPECIES OF INDIA

Modified from Liang & Tamura (2000) with data from Hara (1972, 1984, 1988).

1. Inflorescences terminal on stem or branches......... 2

1. Inflorescences all or partly pseudo-lateral, terminal on short branches opposite a leaf......................... 4

2. Perigone pink....................... D. mishmiensis

2. Perigone white................................. 3

3. Leaves with obvious cross-veins; tepals oblong or broad oblong, apex obtuse............. D. leschenaultianum

3. Leaves without obvious cross-veins, tepals broad ovate/ narrow ovate/spathulate, apex acute.... D. leucanthum

4. Spur cylindric and often recurved, 4–8 mm long........................................... D. calcaratum

4. Spur gibbous, 1–2 mm long....................... 5

5. Pedicels papillose-scabrous on ridges; perigone typically white or purplish.................... D. cantoniense

5. Pedicels not papillose on ridges; perigone green-white........................ D. cantoniense var. sikkimense