| 1 | Inflorescences with numerous capillaceous branches and mostly abortive flowers; normal flowers 1.5-2 rum diam., greenish yellow; mericarps of fruits ovate or obovate, green with reddish base. |
| 1' | Inflorescences without capillaceous branches; mericarps of fruits brown or greyish. |
| 2 | Flowers 1.5 mm wide at anthesis, greenish; sepals acute at apex; petals obovate or oblong; mericarps involute at the margins and at the sutures when dry. |
| 2' | Flowers ca. 3 rum wide at an thesis, yellowish; sepals acute to rounded at apex; petals unguiculate; mericarps not manifestly involute at the margins and at the sutures when dry. |
