Lentibulariaceae, Richard, 1808

Guedes, Felipe Martins, Miranda, Vitor Fernandes Oliveira & Alves, Marccus, 2022, Diversity and distribution of Lentibulariaceae in Bahia state, Brazil: implications for phytogeography and conservation, Phytotaxa 556 (3), pp. 213-255 : 224-225

Key to the Lentibulariaceae species in Bahia state

1. Calyx with 5 sepals............................................................................................................................................................. Genlisea 2

- Calyx with 2 sepals......................................................................................................................................................... Utricularia 9

2. Spur parallel to the pedicel .................................................................................................................................................................3

- Spur parallel to the lower corolla lip ..................................................................................................................................................5

3. Pedicels strongly circinate in fruits and spur uncinated ......................................................................................... Genlisea uncinata

- Pedicels ascending, recurved or abruptly recurved in fruits and spur straight...................................................................................4

4. Corolla lips with lobe tips entire; palate non-gibbous............................................................................................... G. exhibitionista

- Corolla lips with lobe tips divided; palate gibbous ............................................................................................................... G. lobata

5. Corolla lilac .................................................................................................................................................................... G. guianensis

- Corolla yellow or pale yellow ............................................................................................................................................................6

6. Scape thick, succulent and slightly stiff ................................................................................................................................. G. aurea

- Scape slender and flexible ..................................................................................................................................................................7

7. Stolons with tubers; bracts, bracteoles and sepals covered with eglandular and glandular trichomes ............................. G. tuberosa

- Stolons without tubers; bracts, bracteoles and sepals glabrous............................................................................................ G. repens

9. Hydrophytes .....................................................................................................................................................................................10

- Terrestrial, helophytes, lithophytes, epiphytes or rheophytes ..........................................................................................................16

10. Scape with a basal whorl of floats................................................................................................................... Utricularia breviscapa

- Scape without a basal whorl of floats...............................................................................................................................................11

11. Leaves verticillate; corolla magenta.................................................................................................................................................12

- Leaves dichotomous; corolla yellow, white or pink.........................................................................................................................13

12. Traps with a ventral appendage recurved, ciliate ............................................................................................................. U. cucullata

- Traps with a central fascicle of glandular-stipitate trichomes........................................................................................ U. myriocista

13. Corolla yellow ..................................................................................................................................................................................14

- Corolla white or pink........................................................................................................................................................................15

14. Scape inflated and slightly stiff; corolla lower lip bilobed................................................................................................... U. foliosa

- Scape slender and flexible; corolla lower lip orbicular to slightly 3-crenate ......................................................................... U. gibba

15. Scape always bearing a basal cleistogamous flower; corolla pink............................................................................... U. hydrocarpa

- Cleistogamous flowers absent; corolla white ................................................................................................................ U. poconensis

16. Bracts tubular; corolla lower lip reflexed (giving an aspect of resupinate flower) ........................................................ U. resupinata

- Bracts non-tubular; corolla lower lip not reflexed ...........................................................................................................................17

17. Bracts peltate; bracteoles absent.......................................................................................................................................................18

- Bracts basifixed; bracteoles present .................................................................................................................................................24

18. Rheophyte; corolla white............................................................................................................................................... U. neottioides

- Terrestrial, helophytes or lithophytes; corolla yellow ......................................................................................................................19

19. Lithophyte; spur truncate, shorter than the lower lip ......................................................................................................... U. flaccida

- Terrestrial or helophytes; spur subulate, bifid or quadrifid, as long as, longer or twice as long as the lower lip ............................20

20. Presence of sterile bracts on the raceme axis; spur twice as long as the lower lip............................................................... U. pusilla

- Absence of sterile bracts on the raceme axis; spur as long as or longer than the lower lip .............................................................21

21. Sepals with nerves inconspicuous; leaves pinnatifid................................................................................................... U. trichophylla

- Sepals with nerves conspicuous; leaves linear .................................................................................................................................22

22. Scape with base pubescent ................................................................................................................................................. U. nervosa

- Scape with base glabrous..................................................................................................................................................................23

23. Sepals with nerves prominent, converging at the apices...................................................................................................... U. triloba

- Sepals with nerves non-prominent, not converging at the apices...................................................................................... U. subulata

24. Bracts and bracteoles basally connate ..............................................................................................................................................25

- Bracts and bracteoles free.................................................................................................................................................................28

25. Epiphyte; stolons with tubers; spur curved upwards, 3-5 times longer than and perpendicular to the lower lip....... U. jamesoniana

- Terrestrial or helophytes; stolons without tubers; spur straight or curved, as long as or longer than and parallel to the lower lip.26

26. Leaves linear; bracts with margins laciniate-denticulate; corolla yellow....................................................................... U. praelonga

- Leaves spatulate or orbicular; bracts with margins entire; corolla lilac, white or purple.................................................................27

27. Corolla lilac or white, lower lip trilobed, spur straight and acute ............................................................................... U. amethystina

- Corolla purple or lilac, lower lip entire to 3-crenate, spur curved and obtuse or emarginate ............................................. U. tricolor

28. Spur obsolete ................................................................................................................................................................. U. guyanensis

- Spur non-obsolete.............................................................................................................................................................................29

29. Upper sepal with apex rostrate ........................................................................................................................................... U. rostrata

- Upper sepal with apex non-rostrate..................................................................................................................................................30

30. Scales and bracts auriculate, with margins deeply fimbriate............................................................................................. U. simulans

- Scales and bracts non-auriculate, with margins entire or denticulate...............................................................................................31

31. Lower corolla lip galeate, spur perpendicular to the lower lip.........................................................................................................32

- Lower corolla lip plan, spur parallel to the lower lip .......................................................................................................................36

32. Sepals with margins involute.......................................................................................................................................... U. erectiflora

- Sepals with margins plan..................................................................................................................................................................33

33. Sepals with nerves inconspicuous, non-prominent ..........................................................................................................................34

- Sepals with nerves conspicuous, prominent.....................................................................................................................................35

34. Upper corolla lip orbicular, spur longer than the lower lip .............................................................................................. U. adpressa

- Upper corolla lip oblong, spur as long as the lower lip............................................................................................................ U. laxa

35. Nerves prominent on both sepals, margins non-auriculate................................................................................................... U. juncea

- Nerves prominent only on the upper sepal, margins auriculate .............................................................................................. U. nana

36. Sepals with margins denticulate or microscopically denticulate......................................................................................................37

- Sepals with margins entire................................................................................................................................................................39

37. Leaves obovate to oblanceolate; sepals with margins microscopically denticulate; palate with a prominent crest ....... U. longifolia

- Leaves linear; sepals with margins denticulate; palate with no crest ...............................................................................................38

38. Corolla purple to lilac, upper lip subreniform, spur slightly curved and subulate .......................................................... U. blanchetii

- Corolla white with purple streaks on the upper lip, upper lip cuneate and trilobed, spur straight to slightly curved and acute or bifid........................................................................................................................................................................... U. parthenopipes

39. Lower corolla lip entire to crenulated or shallowly trilobed, palate with no crest...........................................................................40

- Lower corolla lip trilobed, lateral lobes well-developed, middle one obsolete, palate with two prominent crests .........................41

40. Lower lip shallowly trilobed; spur obtuse........................................................................................................................... U. costata

- Lower lip entire to crenulate; spur subulate or bifid .......................................................................................... U. purpureocaerulea

41. Leaves circular, peltate; corolla purple to pale lilac .................................................................................................... U. nelumbifolia

- Leaves reniform; corolla white................................................................................................................................... U. nephrophylla