Ormocarpum, IN

Adema, F., 2024, The genus Ormocarpum (Fabaceae - Papilionoideae) in Malesia and the Pacific, Blumea 69, pp. 27-35 : 28-29

KEY TO THE SPECIES OF ORMOCARPUM IN MALESIA AND PACIFIC

(See also Table 1 for differences)

1. Petioles and rachises glabrous, very rarely with bulbous-based hairs. Leaflet blades 13–45 by 3–20 mm. Pedicels glabrous...................................... 2

1. Petioles and rachises (±) sericeous to ± hirsute, usually with bulbous-based hairs. Leaflet blades 1–16 by 1–8.5 mm. Pedicels glabrous to sericeous or hirsute, with or without bulbous-based hairs............................ 4

2. Calyx 3.5–7 mm long. Standard blade 5–12 by 5–13 mm. Ovary and pods with bulbous-based hairs........... 3

2. Calyx 9–17 mm long. Standard blade 13–18 by 13–17 mm. Ovary and pods glabrous, very rarely with some appressed hairs......................... 1. O. cochinchinense

3. Calyx c. 3.5 mm long. Standard blade c. 5 by 5 mm. Wings not sculptured outside. — Fiji............ 2. O. fijiense

3. Calyx c. 7 mm long. Standard blade c. 12 by 13 mm. Wings sculptured outside. — Philippines.... 4. O. philippinense

4. Calyx 6–16 mm long. Wings not or faintly sculptured out- side......................................... 5

4. Calyx 5–9 mm long. Wings sculptured outside........ 6

5. Petiole, rachis and pedicels with bulbous-based hairs. Calyx 6–13 mm long. Wings not sculptured. — New Caledonia............................. 3. O. neocaledonicum

5. Petiole, rachis and pedicels without bulbous-based hairs. Calyx 10–16 mm long. Wings not or faintly sculptured. — Vanuatu........................ 8. O. vanuatuense

6. Pedicels glabrous or with some hairs............... 7

6. Pedicels thinly sericeous, sometimes with bulbous-based hairs. — Calyx 6.4–9 mm long. Standard blade 9–12 by 8–14 mm ......................... 6. O. sennoides

7. Venation on lower surface of leaflets brownish, similar in colour to darker than the rest of the surface. Calyx 5–7 mm long. Standard blade 6–10 by 4–9 mm. — Fiji, New Caledonia............................ 5. O. sculptilium

7. Venation on lower surface of leaflets black. Calyx c. 8 mm long. Standard blade c. 12 by 15 mm. — Philippines, Lesser Sunda Islands......................... 7. O. smitsii