Xerophyte

Central Spines

One solitary, hooked, needle-like, slender, somewhat twisted, amber yellow or brownish-yellow, darker tipped, up to 20 mm long.

Seeds

Light brown.

Description

Mammillaria surculosaSN|25329]]SN|25329]] (Syn

Roots

Taproot, merging with stem forming a stout tuberous rootstock.

Tubercles

Prominent, softish, about 8 long and 4 mm in diameter, tapering cylindrical, rounded apically, without latex, axils naked.

Flowers

Funnelform, sulphur yellow, sweetly scented, not more than 2,5 cm long and approx. 18 mm in diameter at anthesis. Tepals few, fused at the base, chrome-yellow with red tips and brownish-pink stripes on the backside.

Blooming Season

Spring.

Stem

Globose or elongate, spinous at the top, bright-green, to 1-3(-4) cm high and less than 2(-3) cm in diameter without milky sap.

Radial Spines

12-15, white, 8-10 mm long, acicular, stiff , bristle-like, whitish to pale yellow, interlacing, flattened.

Fruits

Oblong green to greenish brown partly reddish.