Flora of Dominica, Part 2 - Smithsonian Institution Libraries

NUMBER 77 Rum iCEAE 199
........................... Amyris
1. Leaves alternate, usually compound; flowers unisexual;
hit of dry, dehiscent follicles , . , . , , , Zanthoxylum
Amy& Browne
Amyris elemtfera
Amyris elemifera Linnaeus, 1759a:lW.
Shrub or small tree to 8 m; leaves opposite, leaflets 3 or 5,
glabrous; petals glandular.
West Indies and Central America; in Dominica along the dry
west coast: Badineau Estate (Hodge 2232), Cabrits (Ernst
2097, Whitefoord 3994), Grand Savanne (Stern & Wusshausen
2454,2458), Pointe Ronde (Hodge 2654).
Zanthoxylum Linnaeus
Zanthoxylum spinosum (Swartz) Swartz was attributed to
Dominica by Grisebach (1860:137) as Tobiniu spinosu
(Linnaeus) Desvaux ex Hamilton. As suggested by Howard
(1988, 4:567), the Dominican material collected by Imray is
probably misidentified.
1. Leaflets pubescent, at least below.
2. Hairs simple; carpels 5 ........ Z. martinicense
2. Hairs stellate; carpels 2 or 3 ..... Z. microcarpurn
1. Leaflets glabrous.
3. Leaves simple. ............ Z. monophyllum
3. Leaves compound.
4. Leaf-rhachis winged; leaflets c2 cm long ......
..................... Z. spintfex
4. Leaf-rhachis not winged; leaflets >2 cm long.
5. Leaflets 6-16; flowers 5-merous .........
.................. Z. canbaeum
5. Leaflets 2-7, commonly 3; flowers 3-merous
.................. Z. punctatum
Zanthoxylum caribaeum
Zanthoxylwn caribaewn Lamarck. 1786,239.
Fagara caribaea (Lamarck) Krug & Urban in Urban, 1896562.
L'epin6.
Medium tree to 10 m with stout spines; follicles 5, on stipes
1-3 mm long.
Neotropics; in interior of Dominica and along west: Clarke
Hall (Ernst 1974, Nicolson 2001, Stern & Wusshuusen 2417),
Laudat (Hodge 2034), Petit Coulibri (Whitefoord 6008, seen at
Syndicate and near Woodford Hill, DHN!). Flowering April,
fruiting in July.
Zanthoxylum martinicense
Zanthoxylum martiniceme (Lamarck) A.P. Candolle, 1824, 1926.
Fagara martinicensk Lamarck. 1792, Tabl., 1:334, no. 1635.-Poiret
in
Lamarck, 1812, Encycl., Suppl., 2:627.
Large tree with stout spines: follicles connate below or to
middle, with prominent glands.
Neotropics; in lowlands of Dominica: Cabrit Swamp (Emst
1181), Clarke Hall (Stern & Wusshuusen 2439). Flowering in
April, fruiting in July.
Zanthoxylum microcarpum
Zanthoxylwn microcarpwn Grisebach, 1860:138.
Fagara microcarpa (Grisebach) Krug & Urban in Urban, 1896570.
L'epineux, l'epineux blanc.
Shrub or tree to 10 m with stout spines; follicles solitary or
paired, with prominent glands.
Neotropics; in lowlands of Dominica to 500 m: Badineau
Estate (Hodge 2224), Carib Reserve (Hodge 3370), Fond Hunte
Estate (Whitefoord 4309), Layou River mouth (Stern &
Wusshuusen 2480, South Chiltern (Ernst 1875), Woodford
Hill Bay (Wilbur 8308). Flowering at 500 m in July, fruiting
near sea level in July-August.
Originally described from Dominica. Doubtfully distinct
from Zanthoxylum rhoifolium Lamarck (teste Wilson in North
Amer. Fl., 1911,25(3):196).
Zanthoxylum monophyllum
Zanthoxylwn monophyllwn (Lsmarck) Wilson, 1910:86.
Fagara monophylla Lamarck, 1792, Tabl., 1:334.
Zanthoxylwn ochroxylwn A.P. Candolle, 1824, 1 :7Z.
Shrubby tree to 6 m; the only unifoliolate Zanthoxylum in the
flora.
West Indies and northern South America; in Dominica in dry
west coastal woods and scrub: Badineau Estate (Hodge 2225))
Canefield (Whitefoord 6098), Gabriel (Wilbur 8234)) Grand
Savanne (Wilbur 7655), Hillsborough Estate (Webster 13288),
Macoucherie Estate (Nicolson 2044), Mero (Ernst 1144A,
1428), Salisbury (Whitefoord 4530). Flowering April-June,
fruiting July-October.
Zanthoxylum punctatum
Zanthoxylum punctatwn Vahl in West, 1793:310.
Fagara trifoliata Swartz, 1788:33.
Zanthoxylwn ternatwn Swartz, 1797570.
Zanthoxylwn trifoliatwn (Swartz) Wright, 1828:240, non Linnaeus.
Tobinia termto (Swartz) Hamilton, 182556.
Tobinia punctata (Vahl) Grisebach, 1860:137.
Shrubby tree; leaflets 2-7, often 3; carpels 2.
West Indies; occasional in Dominica in dry scrub of west
coast Cabrits (Hodge 652,3702,3704, Whitefoord 3998,4019,
5990), St. Joseph (Webster 13272). Flowering May-June,
fruiting July-October.