Episcia xantha

<<<Calyx>Corolla>Base>Width

0.3 cm wide1

1. 005-005-004-001

<<<Calyx>Corolla>Limbs>Width

2 cm wide2

2. 005-005-006-001

<<<Calyx>Corolla>Lobes>Dimensions

0.5 x 0.6-0.7 cm3

3. 005-005-007-003

<<<Calyx>Corolla>Lobes>Growth form

spreading4

4. 005-005-007-001

<<<Calyx>Corolla>Lobes>Shape

broadly suborbicular5

5. 005-005-007-002

<<<Calyx>Corolla>Margins>Margin type

entire6

6. 005-005-008-001

<<<Calyx>Corolla>Throat>Hairs

outside hirsute in upper half, glabrous in lower, inside partially pubescent with glandular hairs7

7. 005-005-005-002

<<<Calyx>Corolla>Throat>Width

0.7-0.8 cm wide8

8. 005-005-005-001

<<<Calyx>Corolla>Tube>Length

1.6 cm long9

9. 005-005-003-001

<<<Calyx>Ovary>Style>Hairs

glabrous10

10. 005-007-004-002

<<<Calyx>Ovary>Style>Length

1 cm long11

11. 005-007-004-001

<<<Leaves>Blade>Base>Hairs

above hirto-pilose, below sparsely hirto-pubescent12

12. 003-002-006-002

<<<Leaves>Blade>Base>Shape

rounded, subcordate, or less often cuneate13

13. 003-002-006-001

<<<Leaves>Blade>Margins>Margin type

crenate-serrate14

14. 003-002-004-001

<<Calyx>Apex>Dorsal lobes

dorsal lobe narrower than other 415

15. 005-004-003

<<Calyx>Apex>Hairs

outside and inside sparsely and minutely pubescent16

16. 005-004-002

<<Calyx>Apex>Teeth number

2-517

17. 005-004-001

<<Calyx>Corolla>Base

base spurred, , middle curved and becoming wider,18

18. 005-005-004

<<Calyx>Corolla>Colour

yellow19

19. 005-005-001

<<Calyx>Corolla>Length

2.6 cm long20

20. 005-005-002

<<Calyx>Corolla>Limbs

limb ,21

21. 005-005-006

<<Calyx>Corolla>Lobes

lobes subequal, , , ,22

22. 005-005-007

<<Calyx>Corolla>Margins

margin ;23

23. 005-005-008

<<Calyx>Corolla>Throat

throat not contracted, , ,24

24. 005-005-005

<<Calyx>Corolla>Tube

tube obliquely infundibuliform, ,25

25. 005-005-003

<<Calyx>Lobes>Dimensions

1-1.2 x 0.5-0.8 cm26

26. 005-002-002

<<Calyx>Lobes>Shape

obovate, gradually narrowed towards base27

27. 005-002-001

<<Calyx>Margins>Margin type

conspicuously ciliate28

28. 005-003-001

<<Calyx>Ovary>Dimensions

0.3-0.4 x 0.2-0.3 or 0.15-0.25 cm29

29. 005-007-002

<<Calyx>Ovary>Hairs

hirsute except for glabrous base30

30. 005-007-003

<<Calyx>Ovary>Shape

ovoid, laterally compressed31

31. 005-007-001

<<Calyx>Ovary>Stigma

stigma large, capitate.32

32. 005-007-005

<<Calyx>Ovary>Style

style , ,33

33. 005-007-004

<<Flowers>Pedicels>Hairs

pilose or glabrous34

34. 004-003-002

<<Flowers>Pedicels>Length

0.3-1.2 cm long35

35. 004-003-001

<<Flowers>Peduncle>Hairs

sparsely pilose or glabrous36

36. 004-002-002

<<Flowers>Peduncle>Length

1.5-5 cm long37

37. 004-002-001

<<Leaves>Blade>Apex

apex obtuse or acute,38

38. 003-002-005

<<Leaves>Blade>Base

base ,39

39. 003-002-006

<<Leaves>Blade>Dimensions

5-20 x 3-15 cm40

40. 003-002-003

<<Leaves>Blade>Margins

margin ,41

41. 003-002-004

<<Leaves>Blade>Shape

elliptic or ovate42

42. 003-002-002

<<Leaves>Blade>Texture

membranaceous when dry43

43. 003-002-001

<<Leaves>Petiole>Hairs

hirsute44

44. 003-001-002

<<Leaves>Petiole>Length

1-8 cm long45

45. 003-001-001

<Calyx>Apex

apex obtuse, with teeth, , ;46

46. 005-004

<Calyx>Colour

pale green47

47. 005-001

<Calyx>Corolla

corolla oblique in calyx, , ,48

48. 005-005

<Calyx>Lobes

lobes free, , ,49

49. 005-002

<Calyx>Margins

margin ,50

50. 005-003

<Calyx>Ovary

ovary , , ,51

51. 005-007

<Calyx>Stamens

stamens included, inserted on base of corolla tube;52

52. 005-006

<Flowers>Flower number per cyme

few to many53

53. 004-001

<Flowers>Pedicels

pedicel , .54

54. 004-003

<Flowers>Peduncle

peduncle , ;55

55. 004-002

<Habit>Height

less than 10 cm56

56. 001-001

<Leaves>Blade

blade , , ,57

57. 003-002

<Leaves>Petiole

petiole , ;58

58. 003-001

<Mature capsules>Colour

light brown59

59. 006-001

<Mature capsules>Dimensions

1 x 0.8-0.9 or 0.6 cm60

60. 006-003

<Mature capsules>Shape

subglobose, laterally compressed61

61. 006-002

<Stems>Hairs

hirto-pilose62

62. 002-001

Calyx

Calyx ,63

63. 005

Common Name

English (French Guiana): tapu

Description

Terrestrial herb, less than 10 cm. Stem sappy, decumbent, hirto-pilose. Leaves equal or subequal in a pair; petiole 1-8 cm long, hirsute; blade membranaceous when dry, elliptic or ovate, 5-20 x 3-15 cm, margin crenate-serrate, apex obtuse or acute, base rounded, subcordate, or less often cuneate, above hirto-pilose, below sparsely hirto-pubescentFlowers few to many in cymes; peduncle 1.5-5 cm long, sparsely pilose or glabrous; pedicel 0.3-1.2 cm long, pilose or glabrous. Calyx pale green, lobes free, obovate, gradually narrowed towards base, 1-1.2 x 0.5-0.8 cm, margin conspicuously ciliate, apex obtuse, with 2-5 teeth, outside and inside sparsely and minutely pubescent, dorsal lobe narrower than other 4; corolla oblique in calyx, yellow, 2.6 cm long, tube obliquely infundibuliform, 1.6 cm long, base spurred, 0.3 cm wide, middle curved and becoming wider, throat not contracted, 0.7-0.8 cm wide, outside hirsute in upper half, glabrous in lower, inside partially pubescent with glandular hairs, limb 2 cm wide, lobes subequal, spreading, broadly suborbicular, 0.5 x 0.6-0.7 cm, margin entire; stamens included, inserted on base of corolla tube; ovary ovoid, laterally compressed, 0.3-0.4 x 0.2-0.3 or 0.15-0.25 cm, hirsute except for glabrous base, style 1 cm long, glabrous, stigma large, capitate. Mature capsule light brown, subglobose, laterally compressed, 1 x 0.8-0.9 or 0.6 cm.

Distribution

French Guiana endemic, Guianas endemic, Guyana endemic

Endemic to the Guianas (Guyana, French Guiana); 63 collections studied (GU: 3; FG: 60).

Flowers

Flowers in cymes;64

64. 004

Habit

Terrestrial herb, .65

65. 001

Individuals Association

Guyana, Potaro-Siparuni Region, Iwokrama Rainforest Reserve, Clarke et al. 4260 Mt. Atachi Bacca, de Granville et al. 10638 Guyana, Potaro-Siparuni Region, Iwokrama Rainforest Reserve, Mori et al. 24647 Mt. Bellevue de l'Inini, Feuillet 3699

Leaves

Leaves equal or subequal in a pair;66

66. 003

Mature capsules

Mature capsule , , .67

67. 006

Notes

Seeds often germinate in the capsule.
Photograph: Feuillet & Skog, 2002 (pl. 65 b (Mori et al. 22285)).

Phenology

Collected in flower and fruit from .

Stems

Stem sappy, decumbent, .68

68. 002

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