Socratea karstenii F. W. Stauffer & Balslev (Arecaceae), a new species from Venezuela Author Stauffer, Fred W. Conservatoire et Jardin botaniques de la Ville de Genève, Laboratoire universitaire de Systématique végétale et Biodiversité, CP 60, CH- 1292 Chambésy, Switzerland. fred.stauffer@villege.ch Author Balslev, Henrik Department of Bioscience, Aarhus University, Building 1540, Ny Munkegade 114 - 116, DK- 8000 Aarhus C., Denmark text Candollea 2012 2012-12-01 67 2 285 291 journal article 3001 10.15553/c2012v672a10 f7f40d91-4335-461c-b72b-75f298ce9f13 2235-3658 5773147

Table 1. – Characters to differentiate Socratea karstenii F. W. Stauffer & Balslev from S. montana R. Bernal & A. J. Hend., and S. exorrhiza H. Wendl.

	Socratea karstenii	Socratea montana (1)	Socratea exorrhiza (2)
(1) Characters based on BERNAL & HENDERSON (1986), HENDERSON (1990), and the collections cited in the text. (2) Characters based on HENDERSON (1990), WESSELS BOER (1988), and GALEANO & BERNAL (2010).
Aerial roots	forming a dense cone, 1.5-2.3 m high	forming a relatively open cone, c. 5 m high	forming a loose cone, 2- 4 m high
Leaf sheaths [m]	1.7-2.1	2-2.6	0.9-1.8
Petiole	slightly channeled adaxially	subterete	terete
Pinnae [pairs]	26-31	17-24	15-26
Prophyll [cm]	5-10	20-22	10-11
Bracts [cm]	to 80	to 60	to 60-70
Floral rachis [cm]	(30-)40- 42	15-20	10-15
Rachillae	(16-)20-25	7-9	6-17
Stamens	(38-)43- 47(-65)	84-139	17- 45
Filament [mm]	2	1	c.1
Female flower [mm]	6-7	9-10	4-8
Ovary	6-7	9	4-7
Fruit	poorly rostrate	conspicuously rostrate	not rostrate
Habitat	cloud forest	cloud forest	lowland rain forest
Distribution	northern Venezuela	pacific slopes of the Colombian Cordillera Occidental and northern Ecuador	widespread from Nicaragua to Bolivia