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Project Name Data (Last Modified On 1/22/2013)

Flora Data (Last Modified On 1/22/2013)
PlaceOfPublication Gac. Lit. Mexico, Suppl. 7. 1794.
Synonym Castilla panamensis Cook, in Science, n. ser. 18:438. 1903.
Description Trees 5-10 m. tall, the young branches densely hirsute with spreading (less frequently appressed) golden hairs, eventually glabrate. Leaves oblong-obovate, more or less cordate and usually not strongly inequilateral at the base, subcuspidate- acuminate at the tip, 20-30 cm. long, 10-14 cm. broad, membranaceous, minutely and closely ciliate-denticulate, both surfaces golden spreading-hirsute but par- ticularly beneath, the petioles about 1 cm. long; stipules 3-6 cm. long. Inflores- cences in clusters of 2-4 in catenate series of the upper leaf-axils, occasionally solitary. Staminate heads conduplicate-reniform, about 1.5 cm. long and 2 cm. broad, the peduncle about 1 cm. long. Fruiting heads thickly discoid, 4-5 cm. in diameter, about 1.5 cm. thick, sessile or subsessile, the component flowers half or more coherent, developing an orange or reddish pulp at maturity.
Habit Tree
Distribution Southern Mexico to Colombia and perhaps southward; in moist forests at low elevations.
Common Ule-ule hule
Common caucho mastate blanco
Specimen BOCAS DEL TORO: Laguna de Chiriqui, Hart I40; Chiriquicito, Seibert 155i; Punta Rovalo, Seibert if66; Almirante, Seibert 1574; Fruit Dale Farm, Seibert if586, 1587, If588. CANAL ZONE: old site of Gorgona, Maxon 6783; Las Cascadas Plantation, Standley 25697, 29497, Cook & Martin 46; Ancon Hospital grounds, Maxon 6769, Gaillard s. n. COCLE: El Valle de Anton, Allen 3625. DARIEN: along Sambu' River, Pittier 5526; Boca de Pau- arando, Pittier 57I4. PANAMA: Rio Tapia, Standley 28048, 26i86, 26I77; Juan Dias region, Maxon & Harvey 6748; Arraijain, Maxon & Cook 7032, 7033; Rio Tecumen, Standley 29374; Tumba Muerto Road, near Panama', Standley 298I8.
Note This species has been of more than passing interest to economic botanists for nearly two centuries, but has never become of commercial value.
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