Copiapoa cinerascens Salm Dyck
Echinocactus cinerascens Salm-Dyck, Allg. Gartenz. 13: 387. 1845.
Echinocactus copiapensis Pfeiffer, Abbild. Beschr. Cact. 2: under pl. 14. 1847.
Echinocactus conglomeratus Philippi, Fl. Atac. 23. i860.
Echinocactus ambiguus Hildmann in Schumann, Gesamtb. Kakteen 311. 1898.
Globose, about 8 cm. in diameter, green, the apex covered with gray wool; ribs 20 or 21, somewhat compressed; areoles 6 to 20 mm. apart; radial spines 8, usually 10 to 12 mm. long; central spines 1 or 2, 18 to 25 mm. long, stouter than the radials, all rigid, yellowish or grayish; flowers yellow; outer perianth-segments acute, often recurved; inner perianth-segments lanceolate, erose, or dentate.
Type locality: Copiapo, Chile.
Distribution: West coast of northern Chile.
In the original description of Echinocactus ambiguus it is stated that the ovary is probably scaly and woolly, but this is doubtless wrong. In all the species of Copiapoa, the ovary is buried in a mass of wool but this arises from the areoles about the base of the flower. This plant is known to us only from descriptions and figures.
Echinocactus intricatus longispinus Monville (Labouret, Monogr. Cact. 178. 1853) was referred here as a synonym.
Illustrations: Grässner, Haupt-Verz. Kakteen 1912: 5; Möllers Deutsche Gärt. Zeit. 25: 474. f. 6, No. 7; Monatsschr. Kakteenk. 14: 89. f. a, as Echinocactus cinerascens.
Continue reading here: Copiapoa echinoides Lemaire
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