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Project Name Data (Last Modified On 9/5/2013)

Flora Data (Last Modified On 9/5/2013)
Species Isertia hypoleuca Benth.
PlaceOfPublication Hook. L. Jour. Bot. 3: 220. 1841.
Note TYPE: British Guiana, Schomburghk 281 (K, not seen).
Synonym Isertia coccinea var. hypoleuca (Benth.) Schum. in Mart., Fl. Bras. 6(6): 286. 1889. Cassupa panamensis Standley, Contr. U.S. Natl. Herb. 18: 135. 1914. TYPE: Panama, Pittier 3889 (US). Isertia panamensis (Standley) Standley, Field Mus. Nat. Hist., Bot. Ser. 8: 346. 1931.
Description Trees to 20 m tall, the branches stout, grooved, densely puberulent. Leaves oblong, to 40 cm long, to 27 cm wide, deltoid at the apex, shortly cuspidate, the cusp slender, to 2.5 cm long, often falcate, obtuse, deltoid to cuneate at the base, the costa subplane to prominulous above, slender, prominent, especially proxi- mally beneath, the secondary veins ca. 22, strict, subcoriaceous, discolorous, usually chocolate brown above, grey green, drying grey or tan brown beneath, glabrate above except puberulent on the costa and the veins, densely puberulent beneath; petioles to 0.9 cm long, to 0.4 cm wide, stout, often curved, puberulent, delicately winged on the adaxial side; stipules oblong lanceolate, 1-2 cm long, acute, coriaceous, pubescent marginally. Inflorescences terminal, solitary, pu- berulent, shorter than or as long as the terminal leaves, to 35 cm long, to 15 cm wide, oblong, ovate or subrotund in outline, thyrsiform; peduncles stout, to 7(-8?) cm long, to 0.7 cm wide, lignose, angular, the branches alternate or subverticillate except the lowermost which are often disposed as 2 opposite pairs, stiff, well spaced; bracts and bracteoles minute, widely subulate. Flowers sessile or con- spicuously pedicellate; hypanthium oblong, truncate, 2.0-3.5 mm long, coria- ceous, glabrous, marcescent, the teeth scarcely evident or absent, with small patches of obtuse glands within the cup, corolla white, turning brown to red, the tube narrow cylindrical, to 50 mm long, 2.0-3.5 mm wide at the middle, puber- ulent outside, densely villose within above the middle, coriaceous, the lobes 5, oblong, 9-15 mm long, cucullate, subcoriaceous, villose within below the middle; stamens 6, the anthers oblong, ca. 7.5 mm long, acute, minutely apiculate, dor- sifixed, the surface honeycomb-like, the filaments short, attached a few mm below the mouth; style linear, 25-27 mm long, ca. 0.7 mm wide, ciliolate at the apex; the stigmas 2, erect, oblong, ca. 5.5 mm long, 1.8-2.5 mm wide, the ovary oblong rotund in cross section, the wall thick, replete with reddish glands, the septum thick, 2-loculate, the placentas T-shaped, crassate, the ovules minute. Fruits rotund or oblong, to 1.5 cm in diam., smooth, glabrescent, drying black.
Habit Trees
Distribution known from Panama, Colombia, Surinam, French Guiana, Brit- ish Guiana, Venezuela, and Brazil.
Specimen BOCAS DEL TORO: Chiriquicito, Lewis et al. 2054 (GH, MO, US). Nances Cay Island, Wedel 580 (MO). Old Bank Island, Wedel 1937 (MO, US). CANAL ZONE: Pipeline Road, Folsom 2848 (MO). Rio Pifia-Rio Media Divide, Johnston 1603 (MO). COCLi: La Mesa, Gentry 6845 (MO). Above El Valle, Road to La Mesa, 2500 ft, Tyson 6930 (MO). COL6N: Rio Piedras, road to Puerto Pil6n, Correa 143 (MO). Guasimo, Croat 9929 (MO). 1 mi N of Maria Chiquita, Croat 11368 (MO). Santa Rita Ridge, Croat 13175 (MO). Maria Chiquita, Dwyer & Kirkbride 7801A (MO), 7812 (GH, MO, US). Santa Rita Ridge, Gentry 1856 (MO). Gatin, Lao 127 (MO). Between Pifia and Gatin, Luteyn 1309 (MO). Santa Rita Ridge, Stimson & Gallegos 5254 (MO). Achiote, Tyson et al. 4551 (MO). DARIEN: Quebrada Venado and Peje Swamp, Bristan 1056 (MO). Cerro Pirre, Bristan 1228 (MO, US). Rio Paya, Duke & Kirkbride 14069 (MO). Puerto St. Dorothea, Dwyer 2201 (MO). PANAMA: Cerro Jefe, Duke 9393 (MO). Cerro Jefe and La Eneida, Dwyer 8213 (MO). Capira, Bro. Maurice 803 (US). Cerro Azul, Tyson 2196, 4051 (both MO). Cerro Jefe, Tyson 3330 (MO). SAN BLAS: Puerto Obaldia, Croat 16756 (MO). VERAGUAS: Cerro Tute, Gentry 6218 (MO). COLOMBIA: CHOCO: Rio Mutata, Rio El Valle, base of Alto De Buey, 100-150 m, Gentry & Fallen 17303 (MO).
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