Xerophyte

Central Spines

2-4 , straight, acicular/subulated, rigid, divergent, golden brown, reddish to almost black, the 2-3 uppermost short (approx 4 mm long) long, The lowermost longest 4 - 12 mm long (or more).

Seeds

Brown.

Description

Mammillaria lindsayiSN|9417]]SN|20796]] is solitary or cespitose cactus branching from base, sometime forming very large clumps up to 1 m wide. Some authors consider this species only a form of the widespread an very variable Mammillaria standleyiSN|20796]]SN|9417]].

Tubercles

Conical to quadrangular, keeled, arranged in numerous, close-set spirals. (Parastichy number 13-21) with dense white axillary wool and up to 8 white, twisted bristles.

Flowers

Small, funnelform, 15 - 20 mm long, to 10 mm in diameter, light greenish yellow with orange-yellow midveins, .

Stem

Symmetrically globose, depressed, with apex that often appears completely white, grey green, 12-15 cm high and in diameter. With latex.

Radial Spines

10-14, white with tan to golden yellow bases, 2 - 8 mm long, upper ones shortest.

Fruits

Club shaped to cylindrical, attractively deep coloured dull pinkish-red to scarlet, up to 20 mm long and 2 - 3 mm wide. .

Areoles

Oval and with white wool when young.