Dendropanax arboreus (L.) Decne. & Planch.

Dendropanax schippii A. C. Smith, Trop. Woods 66: 3. 1941.
Gilibertia Schippii A. C. Smith, Brittonia 2: 252. 1936.
Shrub 1-2 m. high, the branchlets slender, cinereous, rugose; petioles often canaliculate, 5-25 mm. long; leaf-blades thin-coriaceous, oblong or obovate-elliptic, 7-13 cm. long, 3-5 cm. broad, acute or narrowly cuneate at the base, obtuse or subacute and callose-mucronate at the apex, remotely callose-denticulate at the margins, pinnately veined, the costa prominent beneath, the secondary nerves about 6 per side, with the reticulate veinlets prominulous on both surfaces; inflorescence a simple terminal umbel, the peduncle straight, 15-25 mm. long, bracteate about 5 mm. above the base (the bracts about 3, ovate, 1-2 mm. long, separate); flowers not seen; fruits 10-20 per umbel, the receptacle about 4 mm. broad, the pedicels slender, 5-7 mm. long, the fruits coriaceous, subglobose, 4-7 mm. in diameter, 5-sulcate, surmounted by the short 5-denticulate calyx-limb and stylar column (the styles 5, connate into a column about 1 mm. long, free at the apex).
Type locality: British Honduras.
Distribution: Known only from the type locality, near sea level.

Dendropanax arboreus (L.) Dec. & Planch. Rev. Hortic IV. 3: 107. 1854.
Aralia arborea L. Syst. Nat. ed. 10. 967. 1759.
Hedera arborea Sw. Fl. Ind. Occ. 1: 518. 1797.
Hedera alaris Schlecht. Linnaea 9: 605. 1834.
Dendropanax alare Dec. & Planch. Rev. Hortic. IV. 3: 107. 1854.
Sciadophyllum Jacquini Griseb. Fl. Brit. W. Ind. 306. 1860. Dendropanax Juergcnseni Seem. Jour. Bot . 2: 301. 1864.
Sciadophyllum samydifolium Wright; Griseb. Cat. PI. Cub. 117. 1866.
Dendropanax samydifolium Seem. Jour. Bot. 6: 140. 1868.
Gilibcrtia Langcana Marchal. Bull. Acad. Belg. II. 47: 79. 1879.
Sciadophyllum capitation Eggers. Vidensk. Meddel. 1889: 17. 1889.
Scheflera arborea Maza. Anal. Soc. Esp. Hist. Nat. 19: 249. 1890.
Scheflera samvdifolia Maza, Anal. Soc. Esp. Hist. Nat. 19: 249. 1890.
Gilibcrtia arborea Marchal. Bull. Soc. Bot. Belg. 30': 2S1. 1891.
Sciodaphyllum arbor eum Hitchc. Rep. Mo. Bot. Card. 4: 91. 1893.
Aralia fruticosa Sesse & Moc. El. Mex. 86. 1894.
Aralia luxtlensis Sesse & Moc. HI. Mex. 86. 1894.
Gilibcrtia Rotkschuhii Harms. Bot. Jahrb. 23: 126. 1896.
Gilihertia insularis Rose, N. Am. Fauna 14: 83. 1899.
Gilibertia samydifolia Marchal; Urban. Svmb. Ant. 1: 201. 1899.
Gilibcrtia brachvpoda Urban, Svmb. Ant. 5: 432. 1908.
Dendropanax brachypodum R. C. Schneid. Bull. Torrev Club 36: 644. 1909.
Dendropanax insulare R. C. Schneid. Bull. Torrev Club 36: 644. 1909.
Gilibertia stenocarpa Donn. Smith, Bot. Gaz. 55: 435. 1913.
Gilibertia Smithiana I. M. Johnston. Contr. Grav Herb. 70: 81. 1924.
Gilibertia eitrycarpa I. M. Johnston, Contr. Grav Herb. 70: 82. 1924.
Gilibertia alaris I. M. Johnston. Contr. Grav Herb. 70: 82. 1924.
Dendropanax Langeanum Marchal; Standley, Contr. U. S. Nat. Herb. 23: 1084, as syn. 1924.
Gilibertia Jucrgenseni Standley, Contr. U. S. Nat. Herb. 23: 1084. 1924.
Dendropanax monticola Standley, Jour. Wash. Acad. 17: 316. 1927.
Gilibertia concinna Standley, Trop. Woods 18: 30. 1929.
Gilibertia Matudai Lundell. Phvtologia 1: 372. 1940.
Dendropanax Matudai A. C. Smith, Trop. Woods 66: 3. 1941.
Shrub or slender tree, up to 12 m. high, the branchlets slender, terete, often rugose; juvenile leaves long-petioled (the petioles up to 40 cm. long), the blades papyraceous, up to 45 cm. in diameter, often deeply 3or 5-lobed, the lobes oblong or obovate, the principal nerves spreading from the base; petioles of mature leaves slender, up to 23 cm. long (averaging about 6 cm.), the blades usually thin-coriaceous, ovate to elliptic or oblong or obovate-oblong, 6-28 (usually about 15) cm. long, 3-14 (usually about 7) cm. broad, obtuse to acute or cuneate at the base, usually obtusely acuminate or cuspidate at the apex, entire or undulate or remotely crenate at the margins, pinnately veined, the costa usually prominent, the secondary nerves 4-8 per side, often raised on both surfaces, the veinlets reticulate, often conspicuously prominulous on both surfaces, sometimes obscure; umbels 5-20 per inflorescence, arranged in a terminal raceme, the distal ones fasciculate, appearing to form a compound umbel ; rachis stout, 1-10 cm. long, the peduncles divaricate, usually straight, 1-7 cm. long, sometimes bracteate slightly below the middle (the bracts coriaceous, about 1 mm. long) ; flowers 3-35 (usually 20-25) per umbel, the receptacle 3-5 mm. broad, the pedicels slender, 3-S mm. long at anthesis (up to 13 mm. in fruit); flowers 5-7-merous, the calyx 1-2 mm. long and in diameter, the teeth usually inconspicuous, sometimes deltoid; petals oblong or deltoid-oblong, 1.5-2 mm. long, 1-1.5 mm. broad; filaments up to 2 mm. long, the anthers subglobose-oblong, less than 1 mm. long; styles connate in a very short column or cone, free only at the apex; fruit 4—8 mm. in diameter, sometimes considerably narrower, the persistent stylar column 1-2 mm. long, the styles free in the distal half, the seeds 5-7.
Tvpk locality: Ja
Distribution: Sinaloa to Tamaulipas, Cuba, Puerto Rico, and southward; also in South America; common.

Dendropanax stenodontus (Standley) A. C. Smith, Trop. Woods 66: 3. 1941.
Gilibertia stenodonla Standley. Ann. Mo. Bot. Gard. 24: 196. 1937.
Shrub about 4 m. high, the branchlets slender, subterete, with elongate internodes; petioles 2-5 cm. long; leaf-blades papyraceous, oblong or oblanceolate-oblong, 14-21 cm. long, 4-7 cm. broad, acute at the base, narrowed into a long slender acumen 15-25 mm. long, remotely serrate at the margins with spreading or ascending linear teeth 1-4 mm. long, the costa prominent, the secondary nerves 7-9 per side, nearly plane above, raised beneath, anastomosing very close to the margins, the veinlets reticulate, prominulous on both surfaces; umbels 4-6 per inflorescence, arranged in a terminal raceme, the rachis slender, 1 .5-3 cm. long, the peduncles slender, straight, 1.5-2.5 cm. long, obscurely bracteate near the middle; flowers 15-25 per umbel, the receptacle small, 2-3 mm. broad, the pedicels slender, 4-5 mm. long at anthesis; flowers 5-merous, the calyx less than 1 mm. long and in diameter, with inconspicuous teeth; petals oblong or deltoid-oblong, about 1.5 mm. long and 0.8 mm. broad; filaments 1-1.5 mm. long, the anthers oblong, about 0.7 mm. long; styles connate into a short conic column, scarcely free at the apex.
Type locality: Panama (Canal Zone). Distribution: Known only from the type locality.