| 1. | They are paniculate and pendant, reaching a length of around.
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| 2. | Heads number up to 160, in an elongate paniculate array.
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| 3. | Inflorescences are paniculate, sometimes with as many as 100 flowers.
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| 4. | Produces numerous yellow or pale green flower heads in a paniculate array.
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| 5. | Inflorescence paniculate, having usually 12-17 whorls.
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| 6. | The inflorescence can be solitary, successive, paniculate.
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| 7. | The inflorescence can be simple or paniculate with a hispid, ribbed calyx.
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| 8. | Inflorescence is paniculate, up to 18 cm long.
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| 9. | Flower heads are born in a dense paniculate array.
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| 10. | Inflorescences unisexual, in a paniculate arrangement, up to 46 cm long.
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