Tropicos | Name - Trema micranthum (L.) Blume

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Trema micranthum (L.) Blume

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Flora Data (Last Modified On 1/17/2013)

Species	TREMA MICRANTHA (L.) Blume
PlaceOfPublication	Ann. Mus. Bot. Lugd. Bat. 2:58. 1853.
Synonym	Rhamnus micranthus L. Syst. Nat. ed. 10. 2:937. 1759. Celtis mollis Humb. & Bonpl. ex Willd. Sp. P1. 42:996. 1806. Celtis rugosa Willd. loc. cit. 1806. Celtis canescens HBK. Nov. Gen. & Sp. 2:28. 1817. Celtis riparia HBK. loc. cit. 1817. Celtis macrophylla HBK. loc. cit. 3 0. 1817. Celtis schiedeana Schlecht. in Linnaea 7:140. 1832. Sponia micrantha (L.) Decne. in Nouv. Ann. Mus. Par. 3:498. 1834. Sponia mollis (Humb. & Bonpl. ex Willd.) Decne. loc. cit. 1834. Sponia canescens (HBK.) Decne. loc. cit. 1834. Sponia riparia (HBK.) Decne. loc. cit. 1834. Sponia macrophylla (HBK.) Decne. loc. cit. 1834. Sponia lima Decne. loc. cit. 1834. Sponia schiedeana (Schlecht.) Planch. in Ann. Sc. Nat. Ser. 3. 10:33 5. 1848. Celtis microcarpa Salzm. ex Planch. loc. cit. 333. 1848. Celtis rufescens Banks, ex Planch. loc. cit. 334. 1848. Celtis chichilea Ruiz & Pav. ex Planch. loc. cit. 335. 1848. Sponia crassifolia Liebm. in Vidensk. Selsk. Skr. 52:340. 1851. Sponia grisea Liebm. loc. cit. 1851. Trema canescens (HBK.) Blume, loc. cit. 1853. Trema schiedeana (Schlecht.) Blume, loc. cit. 1853. Trema lima (Decne.) Blume, loc. cit. 1853. Trema riparia (HBK.) Blume, loc. cit. 1853. Trema mollis (Humb. & Bonpl. ex Willd.) Blume, loc. cit. 1853. Trema macrophylla (HBK.) Blume, loc. cit. 1853. Trema chichilea (Ruiz & Pavon, ex Planch.) Blume, loc. cit. 1853. Trema rufescens (Banks, ex Planch.) Blume, loc. cit. 1853. Trema melinona Blume, loc. cit. 64. 1853. Sponia integerrima Beurl. in Vet. Akad. Handl. Stockh. 1854:144. 1856. Celtis lima (Decne.) Sw. Prod. 53. 1888. Trema micrantha var. obtusatum Urb. Symb. Ant. 4:19 5. 1905. Trema integerrima (Beurl.) Standl. in Contrib. Arn. Arb. 5:5 5. 1933. Trema strigillosa Lund. in Phytologia 1 :337. 1939. Trema micrantha var. strigillosa Standl. & Steyerm. in Fieldiana Bot. 244:9. 1946.
Description	Monoecious trees to 20 m. tall, the young branches flexuose, villous; stipules narrowly lanceolate. Leaves lanceolate to ovate-elliptic, 5-17 cm. long, 1.5-7.0 cm. broad, attenuate at the apex, hirsute and scabrous above, sparsely to densely villous below, serrate or entire; petiole 0.5-1.8 cm. long, villous. Flowers small, subsessile, bracteolate. Staminate flowers: sepals 5, 0.75-1.0 mm. long, hirsute on outer surface; stamens 5, torus hairy; pistillode more or less cylindrical, about 0.5 mm. long, 0.5 mm. in diameter. Pistillate flowers: perianth as in staminate flowers; staminodes 0; the ovary globose, strigose toward the apex, the styles two, fused at the base. Fruit ovoid or subglobose, 3-4 mm. long, around 3 mm. in diameter, red, malodorous.
Habit	tree
Note	An extremely variable species which has been variously divided in the past. Very common in Panama on cut over land.
Specimen	BOCAS DEL TORO: Water Valley, von Wedel 867, I624, I79I; Changuinola Valley, Cooper & Dunlap I8, Dunlap 442; Changuinola Valley, Lincoln Creek, Dunlap 43i. CANAL ZONE: two miles below Madden Dam, Bro. Maurice 82i; south of island, P. White IIO; vicinity of Miraflores Lake, G. White I53; Fort Kobe Road, Woodson, Allen d Seibert I409; France Field, Colon, Riley IOI; Barro Colorado Island, Aviles 58. CHIRIQUI: vicinity of San Bartolome, Peninsula de Burica, alt. 0-50 m., Woodson d Schery 9ii; vicinity of Chiriqui Lagoon, Old Bank Island, von Wedel 2II7; Rio Chiriqui to Remedios, ca. 15-50 m., Woodson, Allen & Seibert ii90; vicinity of Rio Tinta, along main high- way, Woodson, Seibert d Allen 4Io; trail from Paso Ancho to Monte Lirio, upper valley Rio Chiriqui Viejo, alt. 1500-2000 m., Allen I485; Boquete, Volcin de Chiriqui, 7000 ft., Davidson 924; Boquete, BaIo Mono, el. 4500 ft., Davidson 485; vicinity of Casita Alta, Volcain de Chiriqui, ca. 1500-2000 m., Woodson, Allen d Seibert 9I7; vicinity of Finca Lerida, alt. 1750 m., Woodson d Schery 208; forested ridges south of Finca Lerida, alt. 6000-7000 ft., Allen 4760; vicinity of Puerto Armuelles, alt. 0-75 m., Woodson d Schery 837. COLON: vicinity of Camp Pina, alt. 25 m., Allen 3670. PANAMA: vicinity of Arenoso, lower Rio Trinidad, 26-50 m., Seibert 62I; Isla Taboga, ca. 0-186 m., Woodson, Allen d Seibert I543; San Jose Island, Between Headquarters and Main Beach, Johnston II9i, ii92; San Jose Island, M-area road, edge of forest, Johnston 269. SAN BLAS: Cooper 289.

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