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Project Name Data (Last Modified On 9/11/2013)
 

Flora Data (Last Modified On 9/11/2013)
Genus Palicourea Aubl.
PlaceOfPublication Hist. P1. Guiane Fr. 1: 172. 1775.
Note TYPE: P. guianensis Aublet.
Synonym Palicurea Schultes in R. & S., Syst. Veg. 5: 11, 193. 1819. Palicourea Aubl. orth. mut.
Description Shrubs or small trees. Leaves mostly opposite, occasionally ternate or qua- ternate, petiolate; stipules interpetiolar, usually persistent, usually connate, each fused part of the sheath with 2 lobes or cusps, ascending and often varying in
Habit Shrubs or small trees
Description length. Inflorescences terminal, rarely axillary, often paniculate, the flowers dis- posed in racemose, corymbose or thrysoid cymes. Flowers with the perianth and stamens usually 5-merous; hypanthium short, the teeth reduced or absent; corolla often orange, yellow or purple, the tube cylindrical, usually curved or dilated basally, the lobes short, valvate; anthers the same number as the corolla lobes; ovary 2-celled, the cells 1-ovulate, the ovules arising from the base, the septum median, thick. Fruits fleshy, composed of 2 pyrenes.
Distribution a genus of about 200 species, is common in the tropics of Middle America and South America. It also occurs in the West Indies.
Note Standley's (1938) key to the Costa Rican species, which covers 13 of the 25 species in Panama, is noteworthy.
Reference Bremekamp, C. E. B. 1934. Palicourea. Rec. Trav. Bot. Neerl. 31: 283. Standley, P. C. 1938. Palicourea (Flora Costa Rica). Field Mus. Nat. Hist., Bot. Ser. 18(4): 1330-1338. & L. 0. Williams. 1975. Palicourea in Flora Guatemala. Fieldiana Botany 24: 130-133.
Key 1. Fruits less than 1 cm long; leaves chartaceous or membranous. 2. Calycine lobes (at flowering) foliose or imbricate. 3. Calycine lobes foliose ...... 2. P. bella 3'. Calycine lobes imbricate ...... 15. P. ochnoides 2'. Calycine lobes (at flowering) not foliose or imbricate. 4. Leaves 3 per node ...... 20. P. triphylla 4'. Leaves 2 per node. 5. Inflorescence corymbiform, usually flat topped, the branches strongly ascending ...... 6. P. fastigiata 5'. Inflorescences not corymbiform or flat topped, the branches not strongly ascending. 6. Corolla obliquely gibbous at the base ...... 8. P. gibbosa 6'. Corolla not obliquely gibbous at the base. 7. Calycine lobes more than 2.5 mm long. 8. Leaves with lateral veins 15-20. 9. Leaves 4-13 cm long, the lateral veins ca. 20; largest bracts with a median subulate process at the apex and 2 short lateral processes ...... 12. P. macrosepala 9'. Leaves 18-21 cm long, the lateral veins 15-18; largest bracts acute at the apex ......9. P. grandibracteata 8'. Leaves with lateral veins 11-15 ...... 17. P. pauciflora 7'. Calycine lobes less than 2.5 mm long. 10. Leaves with the lateral veins ca. 30; inflorescence bright yellow (fresh and dried) ...... 24. P. vestita 10'. Leaves with lateral veins 8-21; inflorescence not bright yellow. 11. Leaves with lateral veins 7-10. 12. Flowers purple, lavender or rose ...... 1. P. angustifolia 12'. Flowers green, yellow or white. 13. Leaves pubescent beneath; corolla tube 10-15 mm long ...... 7. P. galeottiana 13'. Leaves glabrous beneath; corolla tube to 8 mm long. 14. Flowers white; corolla tube 3-4 mm long ...... 4 . P . chiriquina 14'. Flowers colored; corolla tube to 8 mm long ...... 14. P. montivaga 11'. Leaves with lateral veins 11-21. 15. Corolla ca. 40 mm long, webby pubescent outside ...... 18. P. rigidifolia 15'. Corolla to 20 mm long, not webby pubescent outside. 16. Leaves glabrous beneath. 17. Stipular sheath rounded at the apex, scarcely retuse ...... 22. P. tumidonodosa 17'. Stipular sheath with 2 distinct awns or lobes. 18. Calycine lobes obtuse; corolla 10-20 mm long, pubescent outside; anthers 3-5 mm long ...... 10. P. guianensis 18'. Calycine lobes acute to subulate; corolla 4.5-7.0 mm long, glabrous outside; anthers less than 3 mm long. 19. Inflorescences with the upper branches spreading; leaves with the lateral veins ca. 10; corolla green or yellow ...... 14. P. montivaga 19'. Inflorescences with the upper branches contracted; leaves with the lateral veins 12(-14); corolla red ...... 5. P. crocea 16'. Leaves variously pubescent beneath. 20. Stipules with awns. 21. Leaves with lateral veins ca. 20. 22. Flowers yellow ......24. P. vestita 22'. Flowers purple, lavender or magenta ...... 16. P. panamensis 21'. Leaves with lateral veins 10-15. 23. Fruits turbinate ....... 23. P. veraguensis 23'. Fruits not turbinate. 24. Inflorescence pink; corolla glabrous outside ....... 19. P. subrubra 24'. Inflorescence not pink; corolla pubescent outside. 25. Leaves narrowly elongate lanceolate; corolla puberulent, purple, lavender or rose. 26. Leaves 6-11 cm wide ..... 16. P. panamensis 26'. Leaves to 2 cm wide ...... 1. P. angustijolia 25'. Leaves elliptic oblong; corolla hirtellous or villous, yellow ...... 11. P. lasiorrachis 20'. Stipules without awns, the lobes ovate-rotund ...... 13. P. montensis 1'. Fruits 1.1-1.5 cm long; leaves coriaceous or subcoriaceous 27. Leaves acute at apex, drying dark brown, the lateral veins ca. 16 ...... 3. P. carpirostrata 27'. Leaves rounded at apex, drying yellowish, the lateral veins 7-10 ...... 21. P. tubuliflora
 
 
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