flora neotropica - CNCFlora

84 Flora Neotropica
6. Young stem and inflorescence rachis pilose or puberulous, never hispid.
7. Young stem and inflorescence thick-pilose or pilose-tomentose, the stem with persistent
hairs 2-3 mm long; stamens 3-6.
8. Leaf margins hispid-ciliate; stamens 5-6; pedicels 1.5-3 mm long; bracts axillary.
53. H. pilosissima.
8. Leaf margins eciliate; stamens 3; pedicels 3-6 mm long; bracts inserted on pedicels.
34. H. leonotis.
7. Young stem and inflorescence usually puberulous, sometimes tomentellous; stamens
4-6.
9. Leaves thin, membranous; stamens 4-5; ovary inserted midway up receptacle.
41. H. rodriguesii.
9. Leaves thick, coriaceous; stamens 5-6; ovary inserted at mouth of receptacle.
10. Bracts and bracteoles caducous, with minute translucent secretions, sessile glands
present or absent; pedicels 6-25 mm long.
11. Bracts with sessile glands in addition to translucent secretion; pedicels 6-
16 mm long, thick; inflorescence 4.5-14 cm long; leaves sparsely appressedpubescent
on venation or glabrescent beneath. 54. H. gracilipes.
11. Bracts with translucent glandular secretions only, other glands absent; pedicels
12-25 mm long, very slender; inflorescence 1.5-5 cm long; leaves
glabrous beneath. 55. H. brachystachya.
10. Bracts and bracteoles persistent, with sessile glands only; pedicels 1.5-10.5 mm
long.
12. Primary veins 6-10 pairs; leaves 3.5-18.5(-19.5) cm long, glabrous or
sparsely appressed-pubescent beneath; mature leaves plane, not bullate.
56. H. racemosa.
12. Primary veins 11-15 pairs; leaves 19.5-25 cm long or if smaller (7-13 cm
long) then hirsutulous beneath; mature leaves slightly bullate.
13. Leaves 19.5-25 cm long; primary veins 13-15 pairs; lower surface
with few sparse appressed hairs. 57. H. juruensis.
13. Leaves 7-13 cm long; primary veins 11-13 pairs; lower surface hirsutulous.
58. H. kuhlmannii.
3. Either bracts and bracteoles bearing stipitate glands, or with one or more solitary stipitate glands
arising from some pedicels, and bracts often glandular at apex only.
14. Bracts and bracteoles eglandular, or with sessile glands and a glandular apex only; some
pedicels with 1-3 stipitate glands.
15. Leaves ovate, cordate at base; bracts and bracteoles with a few sessile glands.
59. H. standleyi.
15. Leaves oblong to oblong-lanceolate, usually rounded to subcuneate at base, rarely subcordate;
bracts and bracteoles eglandular or with sessile glands.
16. Primary veins 17-19 pairs; leaves 19-26 cm long; pedicels 8-12 mm long.
60. H. longifolia.
16. Primary veins 8-15 pairs; leaves 8-18 cm long (to 24 cm in one species with short
pedicels 0.5-2 mm long); pedicels 0.5-9 mm long.
17. Pedicels slender, 4.5-9 mm long (or if 3.5-5 mm then leaf constricted above
base); leaves glabrous beneath except for pubescence on midrib and margin of
extreme base of lamina; bracteoles eglandular or glandular.
18. Fertile stamens 3; leaves oblong-elliptic; bracts with apical glands.
61. H. lemsii.
18. Fertile stamens 5-7; leaves elliptic to oblong-lanceolate; bracts glandular
or eglandular.
19. Leaves elliptic to oblong-elliptic, 3.5-8 cm long; bracts usually with
sessile and apical glands.
56. H. racemosa.
19. Leaves oblong-lanceolate, 8-18 cm long; bracts eglandular.
20. Leaves subauriculate because of slight constriction above base;
primary veins 11-13 pairs; ovary inserted near mouth of receptacle;
fertile stamens 5. 62. H. schultesii.
20. Leaves not constricted above base; primary veins 8-15 pairs;
ovary inserted at mouth or middle of receptacle; fertile stamens
4 or 6.
21. Primary veins 12-15 pairs; secondary venation slightly impressed;
ovary inserted midway up receptacle; fertile stamens
4. 63. H. paraensis.