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Facheiroa pubiflora Britton & Rose 1920

Publication The Cactaceae (Britton & Rose) 2: 173 (9 septembre 1920).
Type : Zehntner in Rose s.n., Brésil, Bahia, Município Chique-Chique (Xique-Xique), Serra da Canna-brava, octobre 1917, conservé au United States National Herbarium de Washington, Smithsonian Institution (US: lectotype, désigné par Taylor & Zappi dans Cacti of Eastern Brazil 430 (2004)) et aux jardins botaniques royaux de Kew (K: lectoparatype).

Synonyme de

Facheiroa ulei (Gürke) Werdermann 1933

Commentaires

Publié initialement avec l'orthographe erronée publiflora.
Description originale:
"1. Facheiroa publiflora sp. nov.
Erect, 1.5 to 5 meters high, much branched; trunk short, 10 to 12 cm. in diameter; branches slender, elongated, 5 to 7 cm. in diameter, at first light green, in age grayish green; ribs about 15, low, 5 to 6 mm. high; areoles 1 cm. apart, brown-felted; spines brownish, all acicular; radial spines 10 to 12; central spines 3 or 4, somewhat longer than the radials, often 2 to 2.5 cm. long; pseudocephalium extending from the top downward for 2 dm. or more, 2 to 4 cm. broad, composed of a dense mass of short brown or red hairs; flowers 3 to 3.5 cm. long; tube-proper about 1 cm. long, smooth within; inner perianth-segments orbicular, 3 to 4 mm. in diameter; style slender, glabrous; scales on ovary and flower-tube small, 2 to 6 mm. long, greenish, glabrous, obscured by the long hairs from the axils of other scales; fruit about 2 cm. in diameter, hairy; seeds 1.5 mm. long.
Collected by Leo Zehntner on the Serra de Cannabrava (Chique-Chique district) Bahia, Brazil, October 1917."

Étymologie

Facheiroa: d'un des noms vernaculaires de l'espèce-type, facheiro, également employé pour désigner d'autres cactées colonnaires.
pubiflora: du latin pubes, poils, et floris, fleur, en référence aux poils naissant à l'aisselle des écailles des péricarpelle et tube floral.