flora neotropica - CNCFlora

Systematic Treatment 61
23. Leaves 9-17 cm long, densely appressed-lanate pubescent beneath; primary
veins 12-15 pairs.
35. C. williamsii.
23. Leaves 5-8 cm long, sparsely pubescent beneath; primary veins 7-10 pairs.
35.2. C. marleneae.
22. Receptacle with dense brown pubescence on exterior.
24. Leaves oblong-lanceolate.
23. C. krukovii.
24. Leaves oblong to oblong-elliptic.
25. Primary veins 24-30 pairs.
22. C. macrophylla.
25. Primary veins 16-20 pairs.
26. Leaf apex with prominent well-developed acumen. 36. C. chrysocalyx.
26. Leaf apex rounded to bluntly acuminate. 24. C. latifolia.
1. Inflorescence a panicle.
27. Bracts and bracteoles persistent at flowering, at least half as long as receptacle.
28. Flowers 20-25 mm long; exterior of receptacle and calyx lobes with a long ferrugineous sericeous
pubescence; leaves glabrous (rarely glabrescent) beneath. 37. C. eriantha.
28. Flowers 7-20 mm long; exterior of receptacle shortly brown- to gray-tomentose; leaves arachnoid-pubescent
beneath.
29. Leaves thick and coriaceous; bracteoles always persisting through flowering; rachis of
inflorescence and receptacle longitudinally striate, or if not, petioles 13-18 mm long.
30. Flowers 7-15 mm long; leaf bases subcordate, rarely rounded; rachis and receptacle
with longitudinal striations. 15. C. bracteosa.
30. Flowers 18-22 mm long; leaf bases rounded to subcuneate; rachis and receptacle not
longitudinally striate. 17. C. belemii.
29. Leaves thin and membranous; bracteoles persistent only in bud; rachis and receptacle not
longitudinally striate; petioles 4-8 mm long.
31. Stamens connate at base for at least 1 mm; receptacle tapering to base, subturbinate.
38. C. trapezioana.
31. Stamens free almost to base; receptacle subcylindrical.
16. C. subcordata.
27. Bracts and bracteoles not persistent at flowering, or small and inconspicuous.
32. Interior of receptacle filled with hairs to base.
33. Primary veins 10-15; exterior of receptacle and calyx lobes with sparse appressed pubescence
not completely covering surface. 3. C. paraensis.
33. Primary veins 17-28; exterior of receptacle and calyx lobes densely pubescent, completely
covering surface.
34. Petioles canaliculate above; flowers 12-17 mm long; exterior of receptacle and calyx
lobes with short brown pubescence; stamens 38-40. 19. C. excelsa.
34. Petioles not canaliculate; flowers 8-12 mm long; exterior of receptacle and calyx lobes
with sparse short gray pubescence; stamens 20-35. 18. C. caryophylloides.
32. Interior of receptacle glabrous except for deflexed hairs at throat.
35. Leaf underside completely glabrous; exterior of receptacle usually almost glabrous.
36. Peduncles elongated (30-80 cm long); exterior of calyx lobes with 2 sessile glands.
37. Exterior of receptacle pubescent; calyx tube 14-22 mm long, cylindrical-turbinate;
stamens ca. 32; petioles 4-8 mm long.
41. C. longipendula.
37. Exterior of receptacle glabrous or almost so; calyx tube campanulate, 4-6 mm
long; stamens 16-21; petioles 10-12 mm long.
41.1. C. dolichopoda.
36. Peduncles short (less than 10 cm long); exterior of calyx lobes eglandular.
38. Inflorescence a much-branched corymbose panicle, rachis and branches glabrous;
petioles 1.5-2.5 cm long; stamens 17-20; disc very thick with only small central
cavity.
8-4. Acioa edulis.
38. Inflorescence little or much-branched, not corymbose; rachis and branches sparsely
puberulous; petioles 4-12 mm long; stamens 25-120; disc thin with large central
cavity.
39. Leaves oblong to oblong-lanceolate, prominently acuminate; inflorescence
little-branched, almost racemose; petioles 8-12 mm; stamens ca. 110.
35.1. C. glabra.
39. Leaves ovate to elliptic, bluntly acuminate; inflorescence much-branched;
petioles 4-7 mm; stamens 25-45. 3. C. paraensis.
35. Leaf undersurface lanate; exterior of receptacle pubescent.
40. Exterior of receptacle and calyx lobes sparsely appressed-puberulous, the pubescence
not forming a complete covering.
41. Stipules persistent, adnate to the base of petiole; rachis of inflorescence 3-5 mm
thick; petal margins glabrous.
39. C. stipularis.