Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.
1 Leaves 1-4 (-5) mm wide; tepals distinct or only slightly connate at the base; flowers 3-6 (-10) per umbel; flowers not fragrant (or sweetly fragrant)
1 Leaves 4-12 mm wide; tepals connate up to 1/3 of their length; flowers 10-20 per umbel; flowers fragrant (similar to cocoa)