| 11. | It has simple linear flat leaves that have an pinnatifid shape and are long and wide.
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| 12. | The small leaves ( 0.75 inch ) are irregular and pinnatifid, giving the plant an airy appearance.
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| 13. | Leaves alternate and variable in shape, simple or pinnatifid, the leaf margins wavy . 12 to 20 cm long.
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| 14. | The leaf blades are usually pinnate in cutting rarely pinnatifid or bipinnatifid, bearing free veins which lack hydathodes at their terminus.
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| 15. | It is a short-lived plant often treated as leaves are bi-pinnatifid ( = finely divided ) and downy beneath.
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| 16. | There are typically no more than three pairs of pinnae, and sometimes even the most basal part of the leaf is pinnatifid.
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| 17. | The bottom half, more or less, of the blade is cut into pinnae, while the upper half is merely pinnatifid.
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| 18. | The leaves are usually lobed or pinnatifid ( i . e . consisting of several not entirely separate leaflets ), or much divided.
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| 19. | Blades are either entirely pinnatifid ( lobed but not completely cut ), or cut to form a single pair of pinnae at the base.
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| 20. | The inflorescence have 3 leaf-like bracts similar in appearance to the basal leaves but simple and greatly reduced in size, pinnatifid in shape.
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