l - CNCFlora

Volume 91, Number 4
2004
Croat
Revision of Dieffenbachia
Figure 21. Dieffenbachia panamensis. A. Habit of flowering plant (Croat 67526). B. Potted plant showing ovate
blades (Cirino s.n.). C. Habit showing ovate-elliptic blades and inflorescences (Croat 74856). D. Crown of plant
with blade showing quilted blades and close-up of open inflorescence (Croat 67526).
(MO); W of Tole, Rfo Cuvibora, Hammel 6264 (MO); Burica
Peninsula, vic. of Puerto Armuelles, San Bartolo Limite,
10-12 km W of Puerto Armuelles, Croat 22173 (MO).
Cocle: 4-6 km N of E1 Cope, Montenegro & Chung 1462
(PMA, STRI), Aranda et al. 2860 (PMA); La Mesa, N of
680-770 m, 25 Mar. 1993, T B. Croat 74856
(holotype, MO-4342614!; isotypes, B!, CAS!,
COL!, DUKE!, F!, GH!, INB!, Lt, K!, MEXU!,
NY!, PMA!, UB!, US!, VEN!). Figures 21,
E1 Valle de Ant6n, 2 km W of Cerro Pil6n, Croat 37351
(MO). Veraguas: vic. Santa Fe, 1.7 km past Escuela Alto
30A.
Piedra, Croat & Zhu 76859 (MO); 6-7 km past school,
Nee 99121 (MO), Luteyn & Wilbur 4569 (DUKE).
Cultivated plants. Mexico. Veracruz: Catemaco, cultivated,
Bunting 1692, Lankester Gardens, Cultivated, Kew
70-76-494 (K); Finca La Selva, originally collected by Helen
Young, 17 June 1971, Croat 68449 (CM, CR, MO).
Planta 0.75-2.5 m; internodia brevia, 34 cm diam.;
petiolus 10-14 cm longus, vaginatus ad apicem; vagina
effusa; lamina ovata ad elliptica, (26345-75 cm longa,
(13.5)1740 cm lata; inflorescentia 3 per axillam; pedunculus
10-18 cm longus; spatha 13-20 cm longa; spadix
12-18 cm longa, cum parte pistillata 5-9 cm longa.
21. Dieffenbachia panarnensis Croat, sp. nov.
TYPE: Panama. Cocle: vic. of E1 Cope, 4.1 mi.
N of village, along old logging road which
leads down to the lowlands, 8°39'N, 80°36'W,
743
Stout erect herb, 0.75-2.5 m tall; internodes
short, typically tnore than twice as broad as long,
1-3 cm long (typically somewhat longer on one side
than on the other), 3-4(5) cm diam., dark green,