P. suchaniense
– Umbels with well developed peduncles
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3
3. Stem zig-zags, sparsely to densely hirsute; leaves sparsely to
densely hirsute underneath; bracts densely hairy all over; hairs longer
than double the width of fruits ———- P.
hirsuta
– Stem never zig-zags glabrous or pubescent; leaves glabrous to
pubescent with soft hairs underneath; bracts hairy on margins; hairs
equal to or shorter than double the length of width
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4
2. Basal branches widely divergent; leaves 2– or 3–pinnatisect, with
segments cuneate, glabrous schizocarps ovoid
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