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Key to Campanulaceae
https://fsus.ncbg.unc.edu/main.php?pg=show-key.php&keyid=40505
1 Corollas radially symmetrical (actinomorphic); carpels (2-) 3-5; [subfamily Campanuloideae]. | |
2 Corolla tube conspicuously lengthened (8-16 cm long), flowers white; leaves sharply toothed; [uncommon non-native, s. FL] | |
2 Corolla tube not conspicuously lengthened (to 1 cm long); leaves sharply toothed to entire; [native and non-natives, collectively widespread] | |
3 Capsule dehiscent apically; flowers solitary or in very diffuse panicles (Platycodon, Wahlenbergia), or in compact involucrate umbels (Jasione); [exotics, generally in weedy or disturbed situations]. | |
5 Flowers small, several to many, borne in a diffuse inflorescence; leaves small, linear to narrowly elliptic; [Wahlenbergioid clade] | |
6 Inflorescence spicate, the flowers sessile, mostly in the axils of well-developed leaves; corollas rotate and style straight. | |
7 Stamen filaments hairy towards the base; stem strict, unbranched; flowers chasmogamous, but often with the lowest flowers cleistogamous | |
6 Inflorescence racemose or paniculate, the flowers pedicelled, sometimes axillary to well-developed leaves; corollas campanulate, funnelform, or rotate, with a straight or curved style | |