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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Key to groups

Family key to Group 22

Group 22: Leaves simple; perianth in 2 or more whorls or spirals; petals 4 or more (rarely fewer), free; stamens > 2 × as many as petals; pistil 1, ovary superior

1. Ovary chamber 1

2. Hypanthium present

3. Sepals fused into conical cap that falls away as flower opens, 0 in open flower; petals 4 — funnel-shaped receptacle readily misinterpreted as a hypanthium ..... PAPAVERACEAE (Eschscholzia)

3' Sepals present in open flower; petals (2)5

4. Flowers ± radial; petals generally 5, oblanceolate to ± round, not recurved ..... ROSACEAE (2) {G10,15,20,21,23}

4' Flowers strongly bilateral; petals 2, narrowly awl-like, recurved — sepals obovate; fruit opening before seeds mature, becoming widely dehiscent ..... SAXIFRAGACEAE (Bensoniella)

2' Hypanthium 0

5. Inflorescence a spike or 1–many heads

6. Shrub or tree; fruit a legume ..... FABACEAE (Mimosoideae)

6' Herb; fruit a capsule, dehiscent at tip ..... RESEDACEAE (Reseda)

5' Inflorescence a cyme, raceme, panicle, or umbel, or flower solitary

7. Sepals 2–3 (fused into conical cap in Eschscholzia), early-deciduous, 0 in open flower; latex generally present [at least in roots], generally milky or colored ..... PAPAVERACEAE {G15,20,24}

7' Sepals 2–5(8), persistent; milky or colored latex 0

8. Filaments fused at base into 3–5 bunches ..... HYPERICACEAE (2) {G24}

8' Filaments free to base

9. Sepals 3 or 5; placentas parietal, ovary chamber 1 (or ± 3–12 from intruded placentas); annual to shrub; plant hairy (± glabrous), not at all fleshy; capsule splitting by valves ..... CISTACEAE

9' Sepals 2–8; placentas free-central, ovary chamber 1; annual or taprooted perennial herb; plant ± glabrous, generally ± fleshy; capsule circumscissile or splitting by valves ..... MONTIACEAE {G19,24}

1' Ovary chambers 2–many

10. Leaves hollow, tubular, often holding watery fluid within ..... SARRACENIACEAE

10' Leaves with ordinary flat blades

11. Plant aquatic; leaves 1–4 dm, oblong or ovate to round, floating or rising a short distance above the water surface ..... NYMPHAEACEAE (Nuphar)

11' Plant terrestrial, sometimes in wet soil; leaves often < 1 dm

12. Flowers unisexual — ovary 3-lobed ..... EUPHORBIACEAE (Ditaxis) {G24}

12' Flowers bisexual

13. Filaments fused into tube around style; anther chamber 1 or appearing so

14. Flowers radial; stamens many; filament tube cylindric ..... MALVACEAE {G8,19,20}

14' Flowers bilateral; stamens 6–8; filament tube open on one side ..... POLYGALACEAE {G15,18,23,24}

13' Filaments free or fused at base into groups; anther chambers 2

15. Leaves opposite or whorled (distal occasionally alternate), entire

16. Petals yellow (salmon) ..... HYPERICACEAE (2) {G24}

16' Petals white to purple

17. Shrub — ovary actually 1/2 inferior but easily interpreted as superior ..... HYDRANGEACEAE (Carpenteria) {G16,21}

17' Herb ..... LYTHRACEAE {G24}

15' Leaves alternate throughout, entire to lobed

18. Hypanthium present ..... ROSACEAE (2) {G10,15,20,21,23}

18' Hypanthium 0

19. Petals 4–5; sepals 4–5, present in open flower, persistent in fruit; stamens 12–15 ..... NITRARIACEAE {G20}

19' Petals 6; sepals 3, early-deciduous, 0 in open flower; stamens many ..... PAPAVERACEAE (Romneya) {G12}


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