1960] 



SPATHIPHYLLUM 



35 



Spathe erect, cucullate, conspicuously decurrent on the peduncle; segments 

 of the perianth membranous, separate, or conglutinate or connate toward the 

 base; pistil typically much exceeding the perianth, apically conic to attenuate. 

 Plants mostly 5 dm or more tall. 



Type species: Spathiphyllum lanceaefolium (Jacq.) Schott, Melet. Bot. 22. 

 1832 (which is also the generic type). 



Distribution : Mexico, Central America, coastal Venezuela and Colombia. 



24. S. friedrichsthalii Schott, Aroid. 1: 2. pi. 4. 1853. Figure 7. 

 Spathiphyllum fendleri Schott, Oesterr. Bot. Wochenbl. 7: 159. 1857. 

 Spathiphyllum friedrichsthalii var. brevifolium Engl. Bot. Jahrb. 6: 280. 1885. 



Leaf-blade oblique, typically narrowly elliptic to oblanceolate, varying to 

 broadly elliptic, widest at or just above the middle, 25-48 (-70) cm long and 

 8-17 (-22) cm wide, the apex acuminate-cuspidate, the base cuneate or acute, the 

 primary lateral veins many, arising at an angle of 60-75° ; petiole equaling or to 

 1.5 times as long as the blade, 24-50 (-87) cm long, prominently winged nearly or 

 quite to the geniculum ; geniculum (1. 2-) 1.7-2.7 cm long. Peduncle mostly 2-3 

 times as long as the blade, 50-90 (-127) cm long; spathe strongly naviculate, 

 broadly oblanceolate to elliptic, 12-14 (-33) cm long and (3.5-) 4.5-8 (-9.2) cm 

 wide, typically broadest above the middle, the apex long-acuminate-cuspidate 

 [1.5-4 cm long], the base cuneate and decurrent on the peduncle 2.5-4.5(-6) cm; 

 spadix 3-7 (-9.8) cm long, stout, densely flowered, sessile or on a stipe to 0.5 (-1.0) 

 cm long ; perianth of separate segments ; pistil greatly exceeding the perianth, the 

 style subcylindric, fluted, apically blunt, the stigmatic area prominent; ovary 

 (2-)3-locular, the ovules superposed, varying from 8 to 5 (-3) in each of the 3 

 locules, totaling 24-15 (-12) ovules per ovary; fruiting spadix roughened by the 

 persistent styles; fruit obovoid, rostrate; seeds as many as the ovules or fewer, 

 oblique-reniform to oblong in profile, the surface commonly smooth or occasion- 

 ally verruculose between the vertical rows of foveola. 



Type collection: C. W. Dodge & V. F. Goerger 9414, "in Gynaerium sagitta- 

 tum thickets along Rio Reventazon below farmhouse, Finca Castilla," 30 m, 

 prov. Limon, Costa Rica, 27 Jul 1936 (neotype F, duplicate MO). The holotype, 

 Friedrichsthal s.n., deposited at Vienna, was probably burned. No duplicates of 

 this collection have been found. 



Distribution : Caribbean coastal forests of Nicaragua, Costa Rica, and Panama, 

 along the shores of Barro Colorado Island in Gatun Lake, along the coast of the 

 Gulf of Uraba, Colombia, and southward along the Pacific slope of Colombia to 

 the Patia Valley (Narino). 



COSTA RICA: Hacienda de Boston, United Fruit Co. 291 (US). Alajuela: vie. of Los 

 Chiles, along Rio Frio (11°02' N, 84°44'W), Aug 1949, Holm cf litis 795 (F, G-DEL, NY, U). 

 Limon: near farmhouse at Finea Castilla, along Rio Reventazon, Jul 1936, Bodge 4- Goerger 

 9499 (MO) ; Sigiiirres, Feb 1932, Kupper 581 (M) ; bosque de Suerre y Dos Bocas, drenajes de 

 los Rios Parismina y Reventazon, Oct 1951, Shank $• Molina B. 4173 (US) ; Hamburg Finca, 

 on the Rio Reventazon below Cairo, Feb 1926, Standley $ Valerio 48861 (US) ; Finca Monte- 

 cristo, on the Rio Reventazon below Cairo, Feb 1926, Standley £ Valerio 49023 (US). 



NICARAGUA: vie. of El Recreo, dept. Bluefields, Apr 1947, Long 47 (F) ; area de la 

 Bahia de Bluefields, Rio Escondido, dept. Zelaya, brenas a lo largo del Rio Yanten, Apr 1949, 

 Molina E. 2083 (F) ; guamil de la region de Toumarin a lo largo del Rio Grande, Apr 1949, 

 Molina B. 2412 (F) ; Castillo El Vie jo, Shimefc # Smith 420 (NY) ; am Strands bei Laguna in 

 Bluefields, Mosquito, Mai 1855, Wullschlaegel 1766 (BR). 



PANAMA: Moore 13 (F, US); Seeman s.n. (BM). Bocas del Toro: Water Valley, Sep 

 1940, von Wedel 820 (MO) ; vie. of Chiriqui Lagoon, Water Valley, Oct 1940, von Wedel 

 1360 (F, G, MO); vie. of Chiriqui Lagoon, Water Valley, Nov 1940, von Wedel 1506 (F, G, 

 MO) ; vie. of Chiriqui Lagoon, Big Bight, Isla Colon, Nov 1941, von Wedel 2979 (F, MO) ; 



