flora neotropica - CNCFlora

Systematic Treatment 63
59. Pedicels 6-15 mm long; exterior of receptacle and calyx
lobes short gray-sordid-I erulent. 21. C. cataractae.
59. Pedicels not exceeding 6 mm in length; exterior of receptacle
and calyx lobes spreading brown-tomentose.
60. Leaves 4-8.5 cm long, 2-3.8 cm broad, rufous-pubescent
beneath, graying with age. 45. C. comosa.
60. Leaves 7.5-18 cm long, 3.5-9 cm broad, gray-pubescent
beneath.
61. Leaves coriaceous, rounded to bluntly acuminate
at apex.
27. C. grandiflora.
61. Leaves chartaceous, prominently acuminate.
46. C. venosa.
54. Petals glabrous except for ciliate margins.
62. Receptacle cylindrical or subcylindrical.
63. Inflorescence of densely clustered glomerules; primary leaf veins
impressed above. 52.1. C. coarctata.
63. Inflorescence a loosely branched panicle; primary leaf veins
plane to prominent above.
64. Stamens ca. 35; leaf base subcordate to rounded.
16. C. subcordata.
64. Stamens 15-28; leaf base rounded to cuneate.
65. Flowers borne on distinctly articulated pedicels with
lower part of pedicel persistent after fall of some flowers.
6.2. C. monteclarensis.
65. Pedicels not conspicuously articulated and no part remaining
after flower fall.
66. Leaves 10-16 cm long, rounded at base; primary
veins 14-19 pairs.
67. Receptacle cylindrical, usually glabrous at base
within; stamens ca. 24. 38. C. trapezioana.
67. Receptacle subcylindrical, pubescent within
to base; stamens ca. 16. 47.1. C. nutans.
66. Leaves 4.5-13 cm long, cuneate to rounded at
base; primary veins 8-15 pairs.
68. Receptacle cylindrical; stamens 20-28.
6. C. sandwithii.
68. Receptacle subcylindrical; stamens 11-21.
47. C. polyandra.
62. Receptacle broadly campanulate or turbinate.
69. Stamens 14-20.
70. Leaves ovate, 4-9 cm long; primary veins 11-15; flowers
8-12 mm long; petioles 4-8 mm long. 25. C. ovalifolia.
70. Leaves oblong, 10-18 cm long; primary veins 16-20; flowers
11-15 mm long; petioles 10-15 mm long. 26. C. schottii.
69. Stamens more than 28.
71. Receptacle broadly turbinate, flattened, 3 mm long, almost
solid. 48. C. platycalyx.
71. Receptacle subcampanulate, not flattened, 4-12 mm long,
hollow.
72. Petioles 14-18 mm long; inflorescence densely crowded.
52.2. C. longipetiolata.
72. Petioles 2-10 mm long; inflorescence lax.
73. Leaves 2.5-5.5 cm long, 1.5-3.5 cm broad.
20. C. uiti.
73. Leaves 9-27 cm long, 4-12 cm broad.
74. Leaf margins undulate and revolute.
49. C. rufa.
74. Leaf margins plane.
75. Leaf with short and blunt acumen, the
lower surface rufous-pubescent; calyx
lobes rufous-pubescent on exterior and