Jepson eFlora: Key page
Vascular Plants of California
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Key to Plantaginaceae

View taxon page for Plantaginaceae

 

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Plant generally aquatic, or plants in wet soil or mud

2. Corolla and calyx clearly present; plants in wet soil or mud

3. Stamens 4, staminode 0 ..... BACOPA (2)

3' Stamens 2, staminodes 2 (forming corolla throat ridges and with free, filament-like tips in Lindernia)

4. Distal leaves scale-like; corolla 4–7 mm ..... DOPATRIUM (2)

4' Distal leaves  to ; corolla 7–10 mm ..... LINDERNIA (2)

2' Corolla 0; calyx generally 0, except occasionally present as minute rim on ovary; plants aquatic

5. Leaves generally ; ovary superiorstyles 2 ..... CALLITRICHE

5' Leaves in whorls of 6–12; ovary inferiorstyle 1 ..... HIPPURIS

1' Plant generally terrestrial, generally of drier habitats

6. Corolla dry, scarious, translucent, persistent in fruit; leaves generally veins generally ± parallel; fruit  ..... PLANTAGO

6' Corolla of petal-like texture, variously colored, but not scarious or translucent, generally not persistent in fruit; leaves basal or basal and cauline, veins generally  or ; fruit generally not circumscissile

7. Leaves generally  (except proximal generally opposite in Antirrhinum, Cymbalaria, Mohavea, Pseudorontium; proximal-most opposite on seedlings in Maurandella), not all basal

8. Corolla base neither spurred nor sac-like, throat open, floor without longitudinal folds, or throat ± closed; fruit generally  or opening by irregular bursting near tip

9. Corolla 40–60 mm, lower lip not swollen, throat open; fruit generally loculicidal ..... DIGITALIS

9' Corolla 8–9 mm, lower lip swollen, ± closing throat; fruit opening by irregular bursting near tip ..... PSEUDORONTIUM

8' Corolla base spurred or sac-like (except Holmgrenanthe, corolla throat open, floor with 2 longitudinal folds); fruit generally  by terminal slits or pores (circumscissile)

10. Leaves palmately veined,  to lobed;  5–33 mm

11. Corolla base spurred ..... CYMBALARIA

11' Corolla base not spurred

12. Leaves ± round to ; neither stems or petioles twining; corolla white to pale yellow;  1–4 mm ..... HOLMGRENANTHE

12' Leaves  to sagitate; corolla pink, red, to violet distally; stems or petioles twining; pedicels 12–47 mm ..... MAURANDELLA

10' Leaves not palmately veined, generally entire, generally ±  (or petioles <= 30 mm)

13. Stem twining or 

14. Plant glabrous (except stem base, inflorescence); pedicels twining or U-shaped, or bractlets subtended by twining branchlets, these reduced at distal ; leaves  to ovate ..... ANTIRRHINUM (2)

14' Plant hairy; pedicels straight; branchlets subtending bracts 0; leaves ovate to hastate or  – fruit circumscissile ..... KICKXIA (2)

13' Stem 

15. Corolla base spurred; plant generally glabrous

16. Flowers yellow, red-violet, purple, or occasionally 2-colored; corolla lower lip >= upper lip ..... LINARIA (2)

16' Flowers blue to violet; corolla lower lip >> upper lip ..... NUTTALLANTHUS (2)

15' Corolla base sac-like; plant generally hairy (at least inflorescence), rarely glabrous throughout

17. Stamens 4, anther sacs 2 per stamen; fruit , dehiscing by 1–2 pores near tip ..... ANTIRRHINUM (2)

17' Stamens 2, anther sacs 1 per stamen; fruit symmetric, dehiscent by irregular slit at tip ..... MOHAVEA

7' Leaves generally opposite, sometimes  or all basal

18. Stamens 2, staminodes 0 or 2

19. Leaves basal, long-petioled; inflorescence  ..... SYNTHYRIS

19' Leaves cauline, sessile to short-petioled; inflorescence not scapose

20. Corolla ± , generally 4-lobed, tube << sepals generally 4(5) ..... VERONICA

20' Corolla 2-lipped, 5-lobed, tube > lobes; sepals generally 5

21. Anther sacs of each stamen separated, parallel; corolla tube 4-angled ..... GRATIOLA

21' Anther sacs of each stamen touching, not parallel; corolla tube 

22. Distal leaves scale-like; corolla 4–7 mm ..... DOPATRIUM (2)

22' Distal leaves lanceolate to ovate; corolla 7–10 mm ..... LINDERNIA (2)

18' Stamens 4, staminode 0 or 1

23. Calyx tube well developed

24. Stamens  in keeled lower central corolla  ..... COLLINSIA

24' Stamens , lower central corolla lobe not keeled ..... TONELLA

23' Calyx segments ± free

25. Corolla spurred at base of tube

26. Stem decumbent; flower 1 in axils ..... KICKXIA (2)

26' Stem erect; inflorescence a terminal 

27. Flowers yellow, red-violet, purple, or occasionally 2-colored; corolla throat swelling obvious, not white-ridged ..... LINARIA (2)

27' Flowers blue; corolla throat swelling ± obscure, white-ridged ..... NUTTALLANTHUS (2)

25' Corolla not spurred, occasionally sac-like at base

28. Staminode 0

29. Leaves in whorls of 3; flowers > 2 cm, bright red ..... GAMBELIA

29' Leaves opposite; flowers < 2 cm, not red

30. Leaves generally narrowly ± ovate to ± round, ± entire; corolla generally white to pink ..... BACOPA (2)

30' Leaves ± lanceolate, toothed; corolla violet to purple ..... STEMODIA

28' Staminode 1

31. Fertile filament bases glabrous, attached to corolla at different levels ..... PENSTEMON

31' Fertile filament bases densely hairy, attached to corolla at 1 level

32. Subshrub or shrubanthers glabrous; seeds angled ..... KECKIELLA

32' Perennial herb; anthers woolly; seeds winged ..... NOTHOCHELONE

 

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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, http://ucjeps.berkeley.edu/eflora/ [accessed on ]

Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .

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