Gynocraterium

<<<Flowers>Calyx>Posterior lobes>Vein number

3-veined1

1. 005-003-002-001

<<<Flowers>Calyx>Remaining lobes>Lobe number

42

2. 005-003-003-001

<<<Flowers>Calyx>Remaining lobes>Vein number

1-veined3

3. 005-003-003-002

<<<Flowers>Corolla>Lobes>Shape

orbicular4

4. 005-004-006-001

<<<Flowers>Corolla>Lobes>Upper pair

upper pair enclosing lower lobes in flower bud5

5. 005-004-006-002

<<<Flowers>Corolla>Lower half>Shape

cylindrical6

6. 005-004-003-001

<<<Flowers>Corolla>Upper half>Shape

infundibular7

7. 005-004-004-001

<<<Flowers>Stamens>Anthers>Theca number

2-thecous8

8. 005-005-002-001

<<<Flowers>Stamens>Staminodes>Staminode number

19

9. 005-005-004-001

<<<Flowers>Stamens>Thecae>Shape

ovoid, minutely apiculate basally10

10. 005-005-003-001

<<Capsules>Seeds>Seed number

numerous11

11. 006-003-001

<<Flowers>Calyx>Lobe number

5-lobed12

12. 005-003-001

<<Flowers>Calyx>Posterior lobes

posterior lobe similar to bracteole, ,13

13. 005-003-002

<<Flowers>Calyx>Remaining lobes

remaining lobes equal, shorter and much narrower, ;14

14. 005-003-003

<<Flowers>Corolla>Colour

white or pinkish-white15

15. 005-004-001

<<Flowers>Corolla>Limbs

limb short,16

16. 005-004-005

<<Flowers>Corolla>Lobes

lobes subequal, , ;17

17. 005-004-006

<<Flowers>Corolla>Lower half

lower half18

18. 005-004-003

<<Flowers>Corolla>Shape

tubular19

19. 005-004-002

<<Flowers>Corolla>Upper half

upper half20

20. 005-004-004

<<Flowers>Disk>Ovule number per locule

621

21. 005-006-001

<<Flowers>Disk>Stigma

stigma included, crateriform.22

22. 005-006-002

<<Flowers>Stamens>Anthers

anthers ,23

23. 005-005-002

<<Flowers>Stamens>Stamen number

424

24. 005-005-001

<<Flowers>Stamens>Staminodes

staminode ;25

25. 005-005-004

<<Flowers>Stamens>Thecae

thecae equal, ,26

26. 005-005-003

<<Inflorescences>Bracts and bracteoles>Shape

narrow and extremely long, fimbriate27

27. 004-002-001

<<Leaves>Blade>Cystoliths

cystoliths absent.28

28. 003-001-002

<<Leaves>Blade>Shape

elliptic to ovate29

29. 003-001-001

<<Stems>Roots>Colour

whitish30

30. 002-003-001

<Capsules>Retinacula

retinacula lacking;31

31. 006-002

<Capsules>Seeds

seeds , minute, irregularly shaped.32

32. 006-003

<Capsules>Shape

ellipsoid33

33. 006-001

<Flowers>Calyx

calyx deeply ,34

34. 005-003

<Flowers>Corolla

corolla , , , ,35

35. 005-004

<Flowers>Disk

disk short, cupular, ovary with ovules per locule,36

36. 005-006

<Flowers>Flower number

solitary or in 3's37

37. 005-002

<Flowers>Position

axillary38

38. 005-001

<Flowers>Stamens

stamens , didynamous, inserted in middle of tube,39

39. 005-005

<Inflorescences>Bracts and bracteoles

bracts and bracteoles .40

40. 004-002

<Inflorescences>Position

terminal41

41. 004-001

<Leaves>Blade

blades ,42

42. 003-001

<Stems>Colour

green43

43. 002-002

<Stems>Roots

roots .44

44. 002-003

<Stems>Shape

quadrangular and articulated45

45. 002-001

Capsules

Capsules , seed bearing nearly its entire length, placentae papilliform,46

46. 006

Description

Herbs or subshrubs. Stems quadrangular and articulated, green; roots whitish. Leaves petiolate; blades elliptic to ovate, cystoliths absent. Inflorescences dense terminal spikes; bracts and bracteoles narrow and extremely long, fimbriate. Flowers axillary, solitary or in 3's, as long as bracts; calyx deeply 5-lobed, posterior lobe similar to bracteole, 3-veined, remaining 4 lobes equal, shorter and much narrower, 1-veined; corolla white or pinkish-white, tubular, lower half cylindrical, upper half infundibular, limb short, lobes subequal, orbicular, upper pair enclosing lower lobes in flower bud; stamens 4, didynamous, inserted in middle of tube, anthers 2-thecous, thecae equal, ovoid, minutely apiculate basally, staminode 1; disk short, cupular, ovary with 6 ovules per locule, stigma included, crateriform. Capsules ellipsoid, seed bearing nearly its entire length, placentae papilliform, retinacula lacking; seeds numerous, minute, irregularly shaped.

Distribution

Amazonian Brazil endemic, Guianas endemic

One species endemic to the Guianas and Amazonian Brazil.

Flowers

Flowers , , as long as bracts;47

47. 005

Habit

Herbs or subshrubs.48

48. 001

Inflorescences

Inflorescences dense spikes;49

49. 004

Leaves

Leaves petiolate;50

50. 003

Stems

Stems , ;51

51. 002

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