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Project Name Data (Last Modified On 8/1/2013)

Flora Data (Last Modified On 8/1/2013)
Species Psiguria bignoniacea (Poepp. & Endlicher) Wunderlin
PlaceOfPublication Phytologia 38: 219. 1978.
Synonym Anguria bignoniacea Poepp. & Endlich., Nov. Gen. Sp. P1. 2: 53. 1838. TYPE: not known. Anguria triphylla Miq., Linnaea 19: 136. 1845. TYPE: not known. Anguria pachyphylla Donnell Smith, Bot. Gaz. (Crawfordsville) 54: 236. 1912. TYPE: Costa Rica, Tonduz 11535 (US, holotype). Anguria longeracemosa Pittier, J. Wash. Acad. Sci. 19: 185. 1929. TYPE: Panama, Pittier 6582 (US, holotype; US, isotype).
Description Dioecious vines; stems puberulent at the nodes, otherwise glabrous. Leaves 3-foliolate or sometimes simple, the leaflets 9-21 cm long, 6-13 cm wide, the middle leaflet usually slightly larger, elliptic to obovate, the lateral leaflets asym- metrical, sometimes with a lateral lobe, the apex of the leaflets acute to acumi- nate, the base cuneate to slightly rounded, the margins entire or undulate, cori- aceous, the upper surface minutely white pustulate, the lower surface glabrate; petioles 2.5-5.0 cm long, glabrate; tendrils simple, robust, glabrate. Staminate flowers axillary, sessile in a subcapitate cluster at the end of a long pedunculate raceme; peduncle 15-25 cm long, glabrate; calyx flask-shaped, 8-11 mm long, the outer surface appressed puberulent, the inner surface sparsely villous, the lobes lanceolate, 2-3 mm long, spreading or reflexed; corolla reddish orange, the lobes obovate, subacute, 4-6 mm long, both the surfaces papillose pubescent; anthers linear, 5-6 mm long, appendix ca. 0.5 mm long, glabrous. Pistillate flowers 1-3 in the axils of the leaves, often at the ends of the branches in the axils of the reduced leaves; calyx and corolla as in the staminate flowers; ovary oblong, glabrous, ca. 2 cm long, not sharply differentiated from the calyx tube. Fruits green with lighter green stripes, 4-6 cm long, 2.0-2.5 cm in diameter, the base rounded, the apex attenuate; seeds oblong ovate, gray, ca. 7 mm long, ca. 4 mm wide, smooth.
Habit vines
Distribution occurs from southern Mexico to Peru and Ecuador.
Note It occurs usually in the canopy in moist or wet forests at elevations up to about 1,000 m. The leaves are highly variable with both simple and 3-foliolate forms encoun- tered. In the sterile condition it can be easily confused with P. warscetviczii, also a highly variable species. The latter species is usually encountered along streams, the leaves are submembranaceous to chartaceous, and the calyx tube is cylindrical.
Specimen BOCAS DEL TORO: Fish Creek Hills, Chiriqui Lagoon, Wedel 2429 (GH, MO, US). BARRO COLORADO ISLAND: Croat 8082 (F, MO), 8485 (F, MO, NY), 12218, 14573, 16518 (all MO). COCLE: Cerro Pilon, El Valle, by weather station, Duke &o Lallathin 15007 (USF). COLON: Santa Rita Ridge, 5-6 mi E of Transisthmian Highway, Lewis et al. 5393 (MO). Santa Rita Ridge Road, 1.9 km from Boyd-Roosevelt Highway, Mori & Kallunki 1818 (MO). Santa Rita Ridge Road, 6 km from Boyd-Roosevelt Highway, Mori & Kallunki 5085 (MO, USF). DARIEN: Summit camp, between Sasardi and Morti, Duke 10045 (MO). Forests around Yaviza, Pittier 6582 (US). Canai and vicinity, Williams 941 (NY). LOS SANTOS: Lon-a Prieta, Cerro Grande, Lewis et al. 2217 (GH, MO, US). PANAMA': 1 mi beyond La Eneida, region of Cerro Jefe, Correa & Dressler 963 (MO). 5-6 mi N of El Llano, near San Blas border, Gentry 5808 (F, MO). 1-2 mi beyond Goofy Lake, Gentry & Dwyer 3412 (MO). 6 km above Pan- american Highway on road from El Llano to Carti-Tupile, Kennedy 1789a (MO). El Llano- Carti Road, 9.6 km from Panamerican Highway, Mori & Kallunki 1838 (MO). El Llano- Carti Road, 12.7 km from Panamerican Highway, Mori & Kallunki 4680 (MO); Mori et al. 4690 (MO). Along El Llano-Carti Road, 8 km N of Panamerican Highway at El Llano, Nee & Warmbrodt 10351 (MO, USF); Nee et al. 8803 (MO, USF). Cerro Azul, Porter et al. 4088 (MO). VERAGUAS: Beyond Rio Tres Brazos, 11 km beyond Santa Fe, Croat 25652 (MO).
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