1a. Leaves deeply incised or pinnatisect; calyx softly woolly. 1. P. abrotanoides
1b. Leaves crenate serrate, rarely shortly incised; calyx hispid. 2. P. atriplicifolia |
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1a. Leaves deeply incised or pinnatisect; calyx softly woolly. 1. P. abrotanoides
1b. Leaves crenate serrate, rarely shortly incised; calyx hispid. 2. P. atriplicifolia |