flora neotropica - CNCFlora

86 Flora Neotropica
35. Inflorescence glabrescent or very sparsely setose.
37. Stamens 3; calyx glandular. 75. H. excelsa.
37. Stamens 5-6; calyx eglandular.
38. Leaf gradually tapered to apex from near base;
pedicels 3-5 mm long. 76. H. adenophora.
38. Leaf apex cuspidate; pedicels 8-15 mm long.
77. H. caduca.
1. Bracts and pedicels eglandular.
39. Inflorescence clustered, fasciculate; leaves slightly bullate, 8-12.5 cm long; ovary inserted near base
of receptacle.
78. H. fasciculata.
39. Inflorescence of elongate racemes; leaves usually plane, if bullate then small; ovary inserted at or
near mouth of receptacle.
40. Receptacle elongate-cylindrical; calyx lobes glandular.
41. Inflorescences densely tomentose; leaves 10-15 cm long; flowers 17-20 mm long.
79. H. couepiiflora.
41. Inflorescences sparsely puberulous; leaves to 8.5 cm long; flowers 7-9 mm long.
80. H. tubiflora.
40. Receptacle campanulate; calyx lobes eglandular.
42. Leaves orbicular, predominantly retuse to rounded at apex; pedicels 7-20 mm long.
68. H. longipedicellata.
42. Leaves oblong-lanceolate to ovate, acuminate at apex; pedicels to 15 mm long, usually
shorter.
43. Lower surface of leaf hirsute, pilose or hispid at least on primary and secondary
venation.
44. Leaves oblong, oblong-lanceolate, or lanceolate, the venation sometimes deeply
impressed above; fertile stamens 7-9.
45. Leaves oblong, 3.5-8 cm long, venation deeply impressed above; flowers 4
mm long.
81. H. floribunda.
45. Leaves lanceolate to oblong-lanceolate, 5-15 cm long; venation plane above;
flowers ca. 6 mm long.
82. H. angustifolia.
44. Leaves ovate to elliptic, the venation usually prominent above, rarely slightly
impressed but then leaves broadly ovate; fertile stamens 3-9.
46. Leaf venation slightly impressed above; leaves broadest near base, 2.5-8 cm
long, subcordate at base; inflorescence densely crowded, with short rachis.
83. H. rugosa.
46. Leaf venation level to slightly prominent above; leaves broadest at or above
middle, subcuneate to rounded at base; inflorescence lax with longer rachis.
47. Stamens 3. 35. H. mutisii.
47. Stamens 5-7.
48. Leaf apex mucronate to abruptly acuminate; pedicels 2-3 mm long.
84. H. scaberula.
48. Leaf apex acute to acuminate but never mucronate or abruptly
acuminate; pedicels 5-8 mm long.
49. Inflorescence and exterior of flowers densely tomentose; flowers
5-8 mm long.
85. H. hebeclada.
49. Inflorescence and exterior of flowers puberulous, flowers 4-5
mm long.
56. H. racemosa.
43. Lower surface of leaf glabrous or with few sparse appressed hairs on midrib and
primary veins.
50. Leaves narrowly lanceolate, 5.5-18 cm long, 0.5-2.2 cm broad.
51. H. angustissima.
50. Leaves ovate to oblong.
51. Fertile stamens 7-9.
52. Petals slightly clawed, leaf base subcuneate; young branches glabrescent;
inflorescence of densely crowded racemes. 70.1. H. parviunguis.
52. Petals not clawed; leaf base subcordate to subcuneate; young branches
puberulous to hispid; inflorescence of single racemes.
53. Leaf base subcordate; calyx lobes 4-6 mm long; young branches
sparsely hispid. 82. H. angustifolia.
53. Leaf base subcuneate to rounded; calyx lobes 1.5-2.5 mm long;
young branches sparsely puberulous.
86. H. enneandra.
51. Fertile stamens 3-6.
54. Fertile stamens 3; inflorescence either 2-3-flowered or densely manyflowered
and tomentose; filaments only slightly exceeding calyx lobes.