flora neotropica - CNCFlora

Systematic Treatment 9
30. Petals unguiculate, much exceeding calyx lobes; filaments
scarcely exceeding petals.
38. Flowers 5-6 mm long; pedicels 2-2.5 mm long; ovary
pilose (Brazil, Amazonia).
22. L. unguiculata.
38. Flowers 3 mm long; pedicels 0-0.25 mm long; ovary
glabrescent (Peru; Brazil, Amazonia). 23. L. longipetala.
1. Petals absent; stamens 8-14. Subg. Moquilea sect. Leptobalanus.
39. Leaf underside glabrous or lanate, the venation not prominent, the stomatal cavities absent.
40. Most flowers borne in small groups or cymules on distinct secondary branches (peduncles) of
inflorescence; peduncles over 2 mm long.
41. Rachis of inflorescence densely yellow-villous-tomentose (Venezuela; Brazil, Amazonia).
24. L. wurdackii.
41. Rachis of inflorescence gray-puberulous.
42. Inflorescence short and compact, 3-5 cm long; flowers 4-5 mm long; leaves ovate
(NE Brazil).
25. L. turbinata.
42. Inflorescence longer and spreading, 6-20 cm long; flowers 2-3.5 mm long; leaves
oblong to elliptic.
43. Flowers 3.5-5 mm long; petioles deeply canaliculate; with two prominent glands
at lamina base; rachis arachnoid-pubescent when young (Amazonia). 26. L. lata.
43. Flowers 2-3 mm long; petioles terete to shallowly canaliculate; lamina base eglandular;
rachis puberulous (Guianas; Brazil to S Amazonia). 27. L. apetala.
40. Flowers sessile or nearly so on primary branches of inflorescence.
44. Leaf apex predominantly obtuse to rounded.
45. Rachis of inflorescence densely villous-tomentose; flowers ca. 4 mm long (Venezuela;
Brazil, NW Amazonia).
24. L. wurdackii.
45. Rachis of inflorescence gray-puberulous; flowers 3 mm long (Guianas; Brazil, Amazonia).
28. L. parvifolia.
44. Leaf apex distinctly acuminate (rarely only bluntly acuminate, L. jefensis).
46. Flowers 4-5 mm long; receptacle cupuliform.
47. Leaves glabrous beneath, inflorescence gray-villous-tomentose (Brazil, Mato
Grosso).
29. L. maguirei.
47. Leaves with short persistent waxy lanate-pulverulent pubescence beneath; inflorescence
brown-puberulous to tomentellous when mature (Amazonian Colombia;
Peru; Brazil).
26. L. lata.
46. Flowers 2-3.5 mm long; receptacle urceolate or campanulate.
48. Stipules persistent on young branches; petioles densely tomentose when young,
2.5-3.5 mm thick; upper portion of ovary glabrous (central Brazil). 30. L. gardneri.
48. Stipules usually caducous; petioles sparsely lanate-pubescent, puberulous, or glabrous,
to 2 mm thick; upper portion of ovary pubescent.
49. Inflorescence sparsely hirsutulous or yellow-arachnoid-tomentose; flower exterior
yellow-brown-tomentose; petioles 2-3 mm long, canaliculate.
50. Inflorescence sparsely hirsutulous; leaf apex finely acuminate, the acumen
5-10 mm long (N Colombia).
31. L. cuspidata.
50. Inflorescence arachnoid-tomentose; leaf apex acute or bluntly acuminate,
the acumen 3-5 mm long (Panama).
31.1. L. jefensis.
49. Inflorescence puberulous to tomentose; flower exterior gray-tomentose; petioles
3-11 mm long, terete or shallowly canaliculate towards base.
51. Leaf bases subcordate (Panama).
31.2. L. morii.
51. Leaf bases cuneate or subcuneate to rounded.
52. Leaf undersurface rufous-brown-pubescent, with deeply reticulate
venation; petioles 8-11 mm long; leaf apex cuspidate; inflorescence
brown-tomentellous (Colombia, Valle). 31.3. L. cuatrecasasii.
52. Leaf undersurface glabrous or rarely white-arachnoid-pubescent, venation
smooth, not deeply reticulate; petioles 3-8 mm long; leaf
apex acuminate; inflorescence brown or gray-puberulous to tomentose.
53. Rachis and branches of inflorescence tomentose; petioles usually
bearing two distinct glands (Central America).
32. L. sparsipilis.
53. Rachis and branches of inflorescence puberulous; petioles
eglandular.
54. Inflorescence and flower exterior sparsely puberulous; leaves
thickly coriaceous, the apex finely attenuate with acumen
10-25 mm long (Guianas; N Amazonian Brazil).
27.1. L. granvillei.