Celiantha

<<<Flowers>Calyx>Apex>Shape

abruptly acute to acuminate1

1. 004-002-005-001

<<<Flowers>Calyx>Fusion>Relative distance

1/2-3/4 of total length2

2. 004-002-001-001

<<<Flowers>Calyx>Lobes>Shape

elliptic to triangular, with a low dorsal keel, thickened3

3. 004-002-004-001

<<<Flowers>Corolla>Fusion>Relative distance

1/2-2/3 of total length4

4. 004-004-001-001

<<<Flowers>Stamens>Anthers>Appendages

without sterile appendages5

5. 004-006-001-002

<<<Flowers>Stamens>Anthers>Shape

linear to oblong6

6. 004-006-001-001

<<<Fruits>Seeds>Testa pattern>Shape

cupuliform and concave7

7. 005-001-002-001

<<Flowers>Calyx>Apex

apex ;8

8. 004-002-005

<<Flowers>Calyx>Fusion

fused for9

9. 004-002-001

<<Flowers>Calyx>Lobes

lobes ,10

10. 004-002-004

<<Flowers>Calyx>Shape

campanulate11

11. 004-002-003

<<Flowers>Calyx>Texture

coriaceous12

12. 004-002-002

<<Flowers>Corolla>Fusion

fused for13

13. 004-004-001

<<Flowers>Corolla>Length

30-65 mm long14

14. 004-004-003

<<Flowers>Corolla>Shape

thin, narrowly funnel-shaped15

15. 004-004-002

<<Flowers>Pistil>Stigma

stigma bilamellate.16

16. 004-008-001

<<Flowers>Stamens>Anthers

anthers , ;17

17. 004-006-001

<<Fruits>Seeds>Shape

irregular to rounded, sometimes flattened18

18. 005-001-001

<<Fruits>Seeds>Testa pattern

testa pattern (C. imthurniana).19

19. 005-001-002

<<Leaves>Blade>Length

0.8-17 cm long20

20. 002-001-001

<<Leaves>Vein number>Vein number

3-veined21

21. 002-002-001

<Flowers>Androecium

androecium zygomorphic with stamens and style bent towards bottom of corolla mouth;22

22. 004-005

<Flowers>Calyx

calyx , , ,23

23. 004-002

<Flowers>Corolla

corolla , , ;24

24. 004-004

<Flowers>Corolla bud apex

corolla bud apex tapering;25

25. 004-003

<Flowers>Merosity

4-5-merous26

26. 004-001

<Flowers>Pistil

pistil without(?) a disk (C. bella),27

27. 004-008

<Flowers>Pollen

pollen in polyads;28

28. 004-007

<Flowers>Stamens

stamens inserted in lower half of corolla tube, of unequal length,29

29. 004-006

<Fruits>Seeds

seeds ,30

30. 005-001

<Habit>Texture

sometimes woody at base31

31. 001-001

<Inflorescences>Bracts and bracteoles

bracts and bracteoles leaf-like or scale-like (bracts leaf-like, floral bracteoles scale-like).32

32. 003-002

<Inflorescences>Position

terminal33

33. 003-001

<Leaves>Blade

blade ;34

34. 002-001

<Leaves>Vein number

.35

35. 002-002

Description

Erect herbs, sometimes woody at base. Leaves sessile to petiolate, blade 0.8-17 cm long; 3-veined. Inflorescences terminal, either diffuse panicles or cymes, dichasial; bracts and bracteoles leaf-like or scale-like (bracts leaf-like, floral bracteoles scale-like). Flowers pedicellate, 4-5-merous, actinomorphic; calyx fused for 1/2-3/4 of total length, coriaceous, campanulate, lobes elliptic to triangular, with a low dorsal keel, thickened, apex abruptly acute to acuminate; corolla bud apex tapering; corolla fused for 1/2-2/3 of total length, thin, narrowly funnel-shaped, 30-65 mm long; androecium zygomorphic with stamens and style bent towards bottom of corolla mouth; stamens inserted in lower half of corolla tube, of unequal length, anthers linear to oblong, without sterile appendages; pollen in polyads; pistil without(?) a disk (C. bella), stigma bilamellate. Fruit a capsule, with persistent calyx and corolla; seeds irregular to rounded, sometimes flattened, testa pattern cupuliform and concave (C. imthurniana).

Distribution

E Guyana present, Guyana present, N Brazil present, S-SE Venezuela present

3 species in N Brazil, E Guyana, S-SE Venezuela; 1 species in Guyana.

Flowers

Flowers pedicellate, , actinomorphic;36

36. 004

Fruits

Fruit a capsule, with persistent calyx and corolla;37

37. 005

Habit

Erect herbs, .38

38. 001

Inflorescences

Inflorescences , either diffuse panicles or cymes, dichasial;39

39. 003

Leaves

Leaves sessile to petiolate,40

40. 002

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