CACTACEAE

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

CACTACEAE

Acanthocereus tetragonus (L.) Hummelinck, Succulenta (Leeuwarden) 20: 165 (1938) Syn: Acanthocereus pentagonus (L.) Britton & Rose; Cactus pentagonus L. Common name: Arching Acanthocereus . Habit: Shrub. Habitat: Littoral deciduous seasonal forest, sometimes forming thickets or large colonies by rooting of the tips of branches. IUCN: LC. Star: GN. RBS Distribution Plots: TOBAGO: Little Tobago-St.Giles; TRINIDAD: Chacachacare; Huevos; Longdenville-Talparo; Monos; NW Peninsular Corner. RBS Vegetation Classes: Moist lowland forest (Vegnum 4: 1% RBS samples); Dry lowland forest (Vegnum 6: 60% RBS samples). Vouchers (selected): TOBAGO: Store Bay, Williams s.n. (TRIN 11169). TRINIDAD: Chacachacare, Johnson 880 (TRIN 32750). Global range: Greater Antilles, Lesser Antilles, United States (Florida, Missouri, Texas), Mexico, Central America, Colombia, Venezuela.

Cereus hexagonus (L.) Mill., Gard. Dict. (ed.8) n.1 (1768) Syn: Cereus lepidotus Salm-Dyck ; Cereus northumberlandianus Lamb. Common name: Six-angled Cereus . Habit: Shrub. Habitat: On dry banks, occasional in deciduous seasonal forest. IUCN: LC. Star: GN. RBS Distribution Plots: TRINIDAD: Gasparee; Monos; NW Peninsular Corner; Point Radix. RBS Vegetation Classes: Moist lowland forest (Vegnum 5: 3% RBS samples); Dry lowland forest (Vegnum 6: 30% RBS samples). Vouchers (selected): TRINIDAD: Chacachacare, ridge above Rust Bay, W. Johnson sight record, 1994.05.04; Bocas Islands, Chaguaramas, Carenage, St. Joseph, San Fernando Hill (ex Britton; ex Flora). Tobago: (ex Hardy: 26, citing Gregson, 1949: 59). Voucher needed. Global range: Colombia, Venezuela, Guianas, northern Brazil.

Cylindropuntia caribaea (Britton & Rose) F.M.Knuth , Kaktus-ABC 123 (1936) Syn: Opuntia caribaea Britton & Rose Habit : Shrub. IUCN: NE. Star: GD. Vouchers (selected): TRINIDAD: Without locality, Lockhart s.n. (K). Global range: Greater Antilles, Venezuela.

Epiphyllum phyllanthus (L.) Haw., Syn. Pl. Succ. 197 (1812) Syn: Cereus hookeri Link & Otto ; Epiphyllum hookeri (Link & Otto) Haw. ; Phyllocactus hookeri Salm-Dyck Common Name : Night-Blooming Cactus . Habit: Epiphyte. Habitat: Trees and cliffs. IUCN: LC. Star: GN. RBS Distribution Plots: TOBAGO: E Coast; Vouchers (selected): TRINIDAD: Arima-Blanchisseuse Rd N; Biche-Poole; Central Range; Grande Riviere-Matelot ; Longdenville-Talparo; Nariva; North Central Coast; Princes Town; Rio Claro-Mayaro; Southern Watershed; Tabaquite-Brickfield; Trinity Hills. Diego Martin, McLean s.n. (TRIN 5731); Woodbrook, Broadway 7397 (BM, MO); Guanapo Heights Road, Adams 13370 (TRIN). RBS Vegetation Classes: Moist lowland forest (Vegnum 3: 6% RBS samples; Vegnum 4: 15% RBS samples; Vegnum 5: 3% RBS samples); Dry lowland forest (Vegnum 6: 10% RBS samples). Global range: Northern Venezuela, Brazil.

Hylocereus lemairei (Hooker) Britton & Rose, Contr. U.S. Natl. Herb. 2: 428 (1909) Syn: Cereus lemairei Hooker Common name: Harjor, Lady-of-the-Night, Night-blooming Cereus . Habit: Climber. Habitat: Trees and rocks; common in association with mud volcanoes, deciduous seasonal forest. IUCN: LC. Star: GN. RBS Distribution Plots: TOBAGO: E Coast; Little Tobago-St.Giles; NE Coast-Main Ridge F.R.; SW Coastal; Scarborough-Plymouth; Trinidad: Catshill-Basse Terre; Central Range; Gasparee; Grande Riviere-Matelot ; Manzanilla-Fishing Pond; NW Peninsular Corner; Nariva; North Central Coast; Princes Town; Rio Claro-Mayaro; SW Erin-Guapo; San Fernando; Southern Watershed; Tabaquite-Brickfield; Trinity Hills; Tucker-Mt.Catherine. RBS Vegetation Classes: Moist lowland forest (Vegnum 3: 2% RBS samples; Vegnum 4: 22% RBS samples; Vegnum 5: 42% RBS samples); Dry lowland forest (Vegnum 6: 30% RBS samples; Vegnum 8: 40% RBS samples). Vouchers (selected): TRINIDAD: Chacachacare, Williams & Cheesman s.n. (TRIN 11485), Philcox 7985 (K); Huevos, Philcox & Kalloo 7118 (K). Global range: Mexico, Central America, Colombia, Venezuela (Patos), Ecuador, Peru.

Melocactus broadwayi (Britton & Rose) A.Berger, Entwicklungslin. Kakt. 103 (1926) Syn: Cactus broadwayi

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BAKSH-COMEAU ET AL.

Britton & Rose Common name: Tobago Turk’s Cap. Habit: Herb. Habitat: Near the sea in close turf on exposed windward coast. IUCN: NE. Star: BK. Vouchers (selected): TOBAGO: opposite Melville Island, Freeman & Williams s.n. (TRIN 11695). Global range: Lesser Antilles.

Opuntia boldinghii Britton & Rose , Cactaceae 1: 155 (1919) Common name: Boldingh’s Prickly Pear. Habit: Shrub. Habitat: Dry banks and hillsides, and littoral deciduous seasonal forest. Star: BK. Vouchers (selected): TRINIDAD: Chacachacare, Finlay s.n. (TRIN 2127), Williams & Cheesman s.n. (TRIN 11076), Philcox & Olivier [7986] (K). Global range: Venezuela (Patos), Curaçao.

Opuntia cochenillifera (L.) Mill., Gard. Dict. (ed. 8.), Opuntia no. 6 (1768) Syn: Cactus cochenillifera L.; Nopalea cochenillifera (L.) Salm-Dyck Common Name: Cojoneel, Prickly Pear, Rachette. Exotic.

Opuntia ficus-indica (L.) Mill., Gard. Dict. ed. 8, Opuntia no. 2 (1768) Exotic.

Opuntia wentiana Britton & Rose , Cactaceae 1: 116 (1919) Habit: Shrub. Habitat: Seashore. IUCN: NE. Star: GD. Vouchers (selected): TRINIDAD: Chacachacare, Comeau 1580 (TRIN 32548), Johnson 878 (TRIN 32572). Global range: Lesser Antilles, Colombia, Venezuela ( Margarita, Patos ), Aruba, Bonaire, Curaçao.

Pereskia aculeata Mill., Gard. Dict. (ed.8) 'Pereskia' (1768) Syn: Pereskia pereskia (L.) H.Karst. Common Name: Barbados Gooseberry. Exotic.

Pereskia bleo (Kunth) DC., Prodr. 3: 475 (1828) Exotic.

Pereskia grandifolia Haw., Suppl. Pl. Succ. 85 (1819) Exotic.

Pilosocereus lanuginosus (L.) Byles & Rowley, Cact. Succ. J. Gr. Brit. 19: 67 (1957) Habit: Shrub. Habitat: Littoral deciduous seasonal forest, and on hills and cliffs, thickets on exposed coasts. IUCN: NE. Star: GD. RBS Distribution Plots: TOBAGO: E Coast; TRINIDAD: Chacachacare. RBS Vegetation Classes: Dry lowland forest (Vegnum 6: 20% RBS samples). Vouchers (selected): TRINIDAD: Chacachacare, Johnson 879 (TRIN 32751). Global range: Venezuela (Patos Is.), Curaçao.

Rhipsalis baccifera (J.S.Muell.) Stearn, Cact. J. (Croydon) 7: 107 (1939) Syn: Rhipsalis cassutha Gaertn. Common name: Mistletoe, Old Man’s Beard. Habit: Epiphyte. Habitat: Cosmopolitan. IUCN: LC. Star: GN. RBS Distribution Plots: TOBAGO: NE Coast-Main Ridge F.R.; TRINIDAD: Arena-Cumuto; Arima-Blanchisseuse Rd N; Biche-Poole; Catshill-Basse Terre; Central Range; Guanapo-Chaguaramal; Maracas-Tucuche; Mt.St.Benedict-Caura; P.O.S.-Santa Cruz; Princes Town; San Fernando; Southern Watershed; Tabaquite-Brickfield; Trinity Hills; Tucker-Mt.Catherine. RBS Vegetation Classes: Moist lowland forest (Vegnum 3: 8% RBS samples; Vegnum 4: 19% RBS samples; Vegnum 5: 19% RBS samples). Global range: Greater Antilles, Virgin Is., Lesser Antilles, United States (Florida), Mexico, Central America, Colombia, Venezuela, Guianas, Brazil, Ecuador, Peru, Bolivia.