Blatter fur kakteenforschung by Backeberg C.

By Backeberg C.

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De haut. très ramifié. Pousses d’un beau vert clair, plus tard gris-brun, jusq. 10 cm de ∅, perdant les poils vers la base, le sommet couvert d’un beau velu blanc luisant. Côtes environ 12, rondes et aplaties, larg. 1 cm. Aréoles d’env. 1 cm ∅ avec tomentum touffu d’un blanc jaunâtre. Aiguillons latéraux env. 16, le plus souvent jusq. 5 cm. de long, quelques uns plus petits. Généralement 1 ou 2 aiguillons centraux, jusq. , tous d’un jaune d’ambre. Fleurs rose-verdâtre, long. env. 10 cm. Pistil et étamines rose-lilas.

Mamillarias are as a rule round, sometimes oval or cylindrical plants, sometimes with watery, sometimes with milky sap, shorter firm, regularly arranged tubercles and similar flowers, which always occur in the axils, in contrast to the Coryphanthas, which flower from the groove below the areole. ) The fruits are oval to club-shaped, pink or red (to orange) co­ loured berries, which after ripening within the plant are pushed out at the axils. The name Mamilla­ ria originally chosen by Haworth for a species of Alga was sometime ago placed under the „nomina conservanda“ so that the use of the American designation Neomammillaria is now unnecessary.

Occurrence: Californian Peninsula. Kogelvormig, tot ca. 4 cm. doorsnede, dof loofgroenkleurig, alleen de jongste areolen witwollig. Ca. 20 straalsgewijze, radvormig gestelde, stijve naaldvormige, stekende randdoorns, aanvankelijk geelachtig, later grijs-wit, met donkerder spits. 4 middendoorns, steviger, de langste ca. 1 cm. lang, zwartbruin, haakvormig. ) mm doorsnede. Stempels groen of purper, vrucht oranje, knotsvormig, zaden glanzend zwart. : Schiereiland Californië. Globuleux. ∅ environ 4 cm, vert végétal mat, seules les plus jeunes aréoles portent un tomentum blanc.

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