A new species of Ceroxylon (Arecaceae) from Cordillera Azul National Park - Peru Author Valdivia, María Isabel Villalba 0000-0002-2311-6829 Jardín Botánico de Missouri, Prolongación Bolognesi Mz. E, Lote 6, Oxapampa - Pasco, Perú. i.villalba.v@gmail.com Author Gamarra, Luis Valenzuela 0000-0002-6191-0580 Jardín Botánico de Missouri, Prolongación Bolognesi Mz. E, Lote 6, Oxapampa - Pasco, Perú. luis_gin@yahoo.es text Phytotaxa 2021 2021-02-12 483 3 267 276 journal article 305142 10.11646/phytotaxa.483.3.6 a832b794-6beb-4ade-b3d7-2cc878b7f8a7 1179-3163 5420976

TABLE 1. Differences in distribution and morphological characters between C. amazonicum, C. parvifrons, C. parvum, C. quindiuense and C. ravenii.

Distinguishing characters	C. amazonicum	C. parvum	C. quindiuense	C. parvifrons	C. ravenii
Elevation	800–1500 m	800–1500 m	+2000 m	+2000 m	1240 m
Habit	Arborescent	Arborescent	Arborescent	Arborescent	Acaulescent
Hastula-like projection	2 mm	-	2 mm	0.1–2 mm	1–3.1 cm
Number of pistillate inflorescence born at a time	6–7	4	2–5	2–5	1
Peduncle length in pistillate inflorescence	124	133 cm	150–280 cm	106–248 cm	50–60 cm
Rachis length in staminate inflorescence	-	-	102 cm	-	32–38 cm
Sepal length in staminate flowers	1–1.5 mm	1–1.3 mm	1–1.2 mm	1–1.5 mm	1.5–2 mm
Connation of staminate sepals	0.1 mm	0.5–0.6 mm	0.4 mm	0.4 mm	0.2 mm
Pistillate sepal length	1–1.5 mm	1.1–1.3 mm	1.5 mm	1–1.2 mm	1.7–2 mm
Connation of pistillate sepals	0.6–1.0 mm	0.3–0.5 mm	1 mm	0.8–1 mm	0.2 mm
Pistillate petal length	5–6.5 mm	2.9–3.5 mm	4–7.5 mm	3.5–5	5–6 mm
Staminate petal length	5–6.5 mm	2.9–3.5 mm		-	5–6 mm
Staminode filament length	1.0 mm	0.2–0.5 mm	3 mm	1.5–2 mm	0.8–1.6 mm
Abortive anther length	0.9–1.2 mm	1.5–2.5 mm	1.2 mm	1–1.5 mm	1–1.1 mm
Fruit diameter	1.7–2.0 cm	1.4–1.8 cm	1.6–2 cm	1.3–2.2 cm	2.3–2.4 cm
Epicarp surface	Smooth	Densely covered with irregular and acute bulges	Very minutely warted	Smooth	Smooth