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Key to Hydrophyllaceae
https://fsus.ncbg.unc.edu/main.php?pg=show-key.php&keyid=40379
4 Leaves pinnatifid into 7-13 lanceolate lobes; calyx lobes lacking auricles in between; capsule 4-seeded; seeds lacking an elaiosome | |
5 Inflorescence repeatedly branched subdichotomously; larger leaf blades > 8 cm wide; stamens well exserted from the corolla (3 mm or more beyond the corolla); plants perennial from fibrous roots; [tribe Hydrophylleae] | |
5 Inflorescence with a strong central axis (some secondary branching in P. bipinnatifida, but not as above); larger leaf blades < 5 cm wide (except P. bipinnatifida); stamens slightly exserted from the corolla (< 3 mm beyond the corolla) (except well-exserted in P. bipinnatifida, included in P. covillei); plants annual (biennial in P. bipinnatifida) from a taproot; [tribe Romanzoffieae] |