ONAGRACEAE

Baksh-Comeau, Yasmin S., Maharaj, Shobha S., Adams, Dennis, Harris, Stephen A., Filer, Denis L. & Hawthorne, William D., 2016, An annotated checklist of the vascular plants of Trinidad and Tobago with analysis of vegetation types and botanical ‘ hotspots’, Phytotaxa 250 (1), pp. 448-450 : 448-450

ONAGRACEAE

Ludwigia affinis (DC.) H.Hara, J. Jap. Bot. 28: 291 (1953) Syn: Jussiaea affinis DC. Habit : Herb. Habitat: Wet places, marsh forest and disturbed areas. IUCN: LC. Star: GN. Vouchers (selected): TRINIDAD: Guanapo, Corstorphine & Corstorphine s.n. (BM); Nariva Swamp, Adams 14265 (TRIN). Global range: Greater Antilles, Lesser Antilles, Central America, Colombia, Venezuela, Guianas, Brazil, Ecuador, Peru, Bolivia.

Ludwigia decurrens Walter, FI. Carol. 89 (1788) Syn: Jussiaea decurrens (Walter) DC. Habit : Herb. Habitat: Marshes, palm marsh, swampy land and a weed in rice fields in standing water. IUCN: LC. Star: GN. RBS Distribution Plots: TRINIDAD: Caroni; Chaguanas-Couva. RBS Vegetation Classes: Swamp/marsh (Vegnum 11: 15% RBS samples). Vouchers (selected): TRINIDAD: Aripo Savanna, Adams 13737 (TRIN); California, Broadway 7837 (BM). Global range: Widespread in Central and South America and the Caribbean.

Ludwigia erecta (L.) H.Hara, J. Jap. Bot. 28: 292 (1953) Syn: Jussiaea acuminata Sw. ; Jussiaea erecta L. Habit : Herb. Habitat: Marshes and a weed in rice fields. IUCN: LC. Star: GN. RBS Distribution Plots: TRINIDAD: Chaguanas-Couva; Piarco-Arima; SW Icacos-Cedros. RBS Vegetation Classes: Dry lowland forest (Vegnum 7: 10% RBS samples); Savanna/plantation (Vegnum 12: 33% RBS samples); Swamp/marsh (Vegnum 11: 8% RBS samples). Vouchers (selected): TOBAGO: Scarborough, Broadway 3376 (BM). TRINIDAD: Diego Martin, Broadway 9288 (BM); St. Augustine, Cheesman & Wright s.n. (TRIN 13114); Princes Town, Broadway 4439 (BM); San Fernando, Broadway 9312 (BM). Global range: Widespread in Central and South America and the Caribbean.

Ludwigia foliobracteolata (Munz) H.Hara, J. Jap. Bot. 28: 292 (1953) Habit: Herb. Habitat: Along forest streams. IUCN: LC. Star: GN. Vouchers (selected): TRINIDAD: Arima, Kuntze 1125 (NY), Britton et al. 608 (GH, NY); Arena Government Forests, Broadway 5193 (F), Williams & Freeman s.n. (K, TRIN 11323). Global range: Mexico, Central America, Colombia, Venezuela, Guyana, French Guiana, Ecuador, Peru, Bolivia, Paraguay.

Ludwigia hyssopifolia (G.Don) Exell, Revisao das Onagraceae , e Trapaceae da Guine portugesa, Garcia de Orta 5: 471 (1957) Syn: Jussiaea linifolia Vahl Habit : Herb. Habitat: Marshes, marsh forest, open water and seasonally wet sites. IUCN: LC. Star: GN. Vouchers (selected): TRINIDAD: Aripo Savanna, Adams 13739 (TRIN); Upper Carapichaima, Broadway 7830 (BM); California, Broadway 7834 (BM); Pitch Lake, Broadway s.n. (BM). Global range: Widespread in the subtropics and tropics.

Ludwigia leptocarpa (Nutt.) H.Hara, J. Jap. Bot. 28: 292 (1953) Syn: Jussiaea leptocarpa Nutt. ; Jussiaea pilosa Kunth ; Jussiaea variabilis G.Mey. Habit : Herb. Habitat: Ditches, lakesides and riverbanks and standing water in marshy savannas. IUCN: LC. Star: GN. RBS Distribution Plots: TRINIDAD: Caroni; SW Icacos-Cedros. RBS

CHECKLIST TO VASCULAR PLANTS OF TRINIDAD AND TOBAGO

Phytotaxa 250 (1) © 2016 Magnolia Press • 297

Vegetation Classes: Dry lowland forest (Vegnum 7: 10% RBS samples); Swamp/marsh (Vegnum 11: 8% RBS samples). Vouchers (selected): TRINIDAD: Waller Field, Adams 13611 (TRIN); Aripo Savanna, Adams 13740 (TRIN). Global range: Widespread in the subtropics and tropics.

Ludwigia octovalvis (Jacq.) P.H.Raven, Kew Bull. 15(3): 476. 1962 Syn.: Jussiaea octofila DC. , Jussiaea octovalvis (Jacq.) Sw. , Jussiaea suffruticosa L., Jussiaea villosa Lam. , Ludwigia suffruticosa (L.) M.Gomez, Oenothera octovalvis Jacq. Common Name : Wild Clove, Zebpik. Habit: Shrub. Habitat: Marshes, marsh forest, palm marsh and wet places generally. IUCN: LC. Star: GN. Distribution Plots: TRINIDAD: SW Icacos-Cedros. RBS Vegetation Classes: Dry lowland forest (Vegnum 7: 10% RBS samples). Vouchers (selected): Tobago: Bacolet, Eggers 5563 (K); Runnymede, Eggers 5944 (K); Scarborough, Broadway 2295 (BM), Broadway 3394 (BM); Roxborough to Main Ridge Road, Clement & Ryves 291 (BM); Tobago Forest Reserve, Clement & Ryves 470 (BM). TRINIDAD: Without locality, Fendler 362 (BM); Diego Martin, Broadway 7883 (BM); Woodbrook, Broadway 7654 (BM); Maracas, Broadway 6977 (BM); St. Joseph Road, Broadway 7178 (BM); Piarco Savanna, Britton & Hazen 699 (NY); Arouca, Broadway 6809 (BM); Arima-Blanchisseuse Road, Broadway 5516 (BM); Shark River forests, Broadway 9036 (BM); North Aripo Savanna, Adams 13510 (TRIN); Tabaquite, Broadway 6346 (BM). Global range: Widespread in the subtropics and tropics.