|Group I||Group II||Group III|
A Field Key to the Palms of Belize
GROUP IV Stems slender, cane like,
usually green or brown, rarely taller than 5 m
(* potential species)
|2a.||Stems, clumped via rhizomes, <1 cm diameter.||*Chamaedorea brachypoda|
|2b.||Stems solitary, often >1 cm diameter.|
|3a.||Stems 35 cm diameter or acaulescent adults; leaves 815 or more, usually leaf sheaths brownish.|
|4a.||Apparently acaulescent (stems short, underground); leaves usually not simple; inflorescences spicate and with a deciduous bract (leaving a conspicuous scar) near the apex of the peduncle; fruits obovoid to 2 cm diameter, green to black.||Calyptrogyne ghiesbreghtiana|
|4b.||Stems not underground (as adults), 35 cm diameter; leaves bifid; inflorescences branched, fruits reddish.||Asterogyne martiana|
Leaves mostly 3–8, bifid or not; leaf sheaths green; stems <2 cm (to 3 cm in C. pinnatifrons) diameter.
|5a.||Leaf blades bifid or compound, thick, leathery and rigid, with a velvety aspect, blue-gray- green; female infl. spicate, male infl. with 210 branches; restricted to limestone hilltops.||Chamaedorea adscendens|
|5b.||Leaf blades bifid or not, thin, not blue-gray-green.|
|6a.||Leaves bifid for 1/3 of their length, but usually some leaves pinnate; leaf sheaths tubular only near the base; stem <0.75 m tall, often apparently stemless; female infl. spicate or bifurcate, male infl. with 1025 branches.||*Chamaedorea pygmaea|
|6b.||Leaves bifid for >1/3 of their length; leaf sheaths tubular for +1/2 of their length; stem conspicuous, potentially >0.75 m.|
|7a.||Leaf blade obscurely nerved above, <15 cm wide, to 30cm long, more or less oblong; female infl. usually with up to 3 flowering branches, male infl. with 1-6 branches.||Chamaedorea geonomiformis|
|7b.||Leaf blade prominently nerved above, usually >20 cm wide, to 75 cm long, more or less obovate; female infl. with >3 flowering branches or spicate.|
|8a.||Leaf blades thick, simple, with >12 major veins per side; female infl. usually spicate, rarely with up to 4 branches, male infl.with 1325 branches.||Chamaedorea ernesti-augustii|
|8b.||Blades thin, rarely all simple, with <10 major veins per side; female infl. usually with up to 20 flowering branches, rarely spicate, male infl. with 2-45 branches.||Chamaedorea pinnatifrons|
|1b.||Leaves compound.||Go to Group IV, p.2|
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