Zehntnerella squamulosa Britton & Rose 1920
Publication The Cactaceae (Britton & Rose) 2: 177, fig. 249, 250 (9 septembre 1920).
Type : Rose & Russell 19760, Brésil, Bahia, E de Joazeiro, Serra do Atoleiro, 4 juin 1915, conservé au United States National Herbarium de Washington, Smithsonian Institution (US: lectotype désigné par Taylor & Zappi dans Cacti of Eastern Brazil 432 (2004)) et au New-York Botanical Garden (NY: lectoparatype).
"1. Zehntnerella squamulosa sp. nov.
Trunk, when present, 15 to 20 cm. in diameter, but usually a cluster of branches arising from the base; branches usually strict, 4 meters long or more, 5 to 7 cm. in diameter, covered with a mass of spines; ribs 17 to 20, low, close together; areoles circular, small; spines 10 to 15, acicular, chestnut-brown, the longest ones 3 cm. long; flowers small, 3 cm. long; inner perianth-segments oblong, 4 mm. long; lower scales on the ovary ovate, apiculate, 1 to 4 mm. long, the upper ones becoming oblong, all glabrous, the hairs in the axils white; fruit about 2 cm. in diameter, crowned by the withered perianth; seeds 1 mm. long.
This plant was common in a restricted rocky out-crop east of Joazeiro, called the Serra do Atoleiro, where flowers and photographs were obtained by Dr. Rose, June 4, 1915 (No. 19760, type) and ripe fruit was collected at the same locality by Dr. Zehntner in October 1917.
This species is called facheiro preto in Bahia.
Figure 249 is from a photograph taken by Paul G. Russell in Bahia, Brazil, in 1915; figure 250 shows a flower of the plant photographed."
squamulosa: du latin squamosus, écailleux, en référence aux écailles des péricarpelle et tube floral.
Fiche créée le 26/08/2010, mise à jour le 29/08/2010.
Type : Rose & Russell 19760, Brésil, Bahia, E de Joazeiro, Serra do Atoleiro, 4 juin 1915, conservé au United States National Herbarium de Washington, Smithsonian Institution (US: lectotype désigné par Taylor & Zappi dans Cacti of Eastern Brazil 432 (2004)) et au New-York Botanical Garden (NY: lectoparatype).
Synonyme de
Facheiroa squamosa (Gürke) P.J.Braun 1989Commentaires
Description originale:"1. Zehntnerella squamulosa sp. nov.
Trunk, when present, 15 to 20 cm. in diameter, but usually a cluster of branches arising from the base; branches usually strict, 4 meters long or more, 5 to 7 cm. in diameter, covered with a mass of spines; ribs 17 to 20, low, close together; areoles circular, small; spines 10 to 15, acicular, chestnut-brown, the longest ones 3 cm. long; flowers small, 3 cm. long; inner perianth-segments oblong, 4 mm. long; lower scales on the ovary ovate, apiculate, 1 to 4 mm. long, the upper ones becoming oblong, all glabrous, the hairs in the axils white; fruit about 2 cm. in diameter, crowned by the withered perianth; seeds 1 mm. long.
This plant was common in a restricted rocky out-crop east of Joazeiro, called the Serra do Atoleiro, where flowers and photographs were obtained by Dr. Rose, June 4, 1915 (No. 19760, type) and ripe fruit was collected at the same locality by Dr. Zehntner in October 1917.
This species is called facheiro preto in Bahia.
Figure 249 is from a photograph taken by Paul G. Russell in Bahia, Brazil, in 1915; figure 250 shows a flower of the plant photographed."
Étymologie
Zehntnerella: en l'honneur du naturaliste suisse Leo Zehntner (1864-1961).squamulosa: du latin squamosus, écailleux, en référence aux écailles des péricarpelle et tube floral.
Numéros de collecte
Vous pouvez chercher les numéros de collecte pour cette espèce dans :- la base de Ralph Martin : Zehntnerella squamulosa
- la base de Christophe Ludwig : Zehntnerella squamulosa
Forum
Vous pouvez faire une recherche sur le forum.Auteur
philippe (contacter l'auteur ou écrire aux admins de l'encyclopédie)Fiche créée le 26/08/2010, mise à jour le 29/08/2010.
Fiches de botanistes :
Britton, Nathaniel Lord
Rose, Joseph Nelson
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Espèces du même genre :
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