N Ficha: 293

Descarga en formato PDF

Colaboradores:

Ignacio Charle

• Echinocactus gielsdorfianus Werdermann 1929, Neolloydia gielsdorfiana (Werdermann) F.M. Knuth 1935, Thelocactus gielsdorfianus (Werdermann) Borg 1937, Gymnocactus gielsdorfianus (Werdermann) Backeberg 1951, Pediocactus gielsdorfianus (Werdermann) Halda 1998.

Werdermann, Monatsschrift der Deutschen Kakteen Gesellshaft, 215-216, 1929 : Simplex, subglobosus vel ovoideus, vertice vix umbilicatus lana albida clausus aculeisque pullis superatus; costae Ca. 12 in mamillas laxe ordinatas solutae; mamillae Ca. 6 mm altae, conoideae, teretiusculae vel subpyramidatae interdum a latere paullo compressae, supra subcarinatae basi irregulariter 4-6 angulares, apice truncatae; areolae ellipticae, ad 2 mm longae juveniles lanuginosae mox glabrescentes; aculei 6-7, irregulariter divaricati, recti vel paullo curvati, 1-1,8 cm longi, tenues, subuliformes, basi incrassati, juveniles laeves, brunei, apice pulli, basi dilutiores, demum griseo-pruinosi, cani, exasperati; flores infundibuliformes lana verticis exorti, Ca. 2 cm longi, ovarium et tubus nudum; sepala oblonga; petala oblongo-lanceolata eburnea stylus stamina stigmatibus 5-6 superans; fructus ignotus, semina subnephroidea, 1-1,2 mm longa, opaca, nigra, verrucosa.

Hábitat: Valle de Jaumave, Tamaulipas, México