Mammillaria lloydii

Plant-body at first flattened but in cultivation becoming elongated, sometimes 10 cm long, 6 to 7 cm in diameter; axils of young tubercles only slightly woolly; tubercles milky, small, numerous, 4-angled, woolly when quite young; radial spines 3 or 4, ascending, glabrous, the uppermost one read or dark brown, the others whitish, 2 to 5 mm long; central spines none; flowers in a ring near center of plant; outer perianth-segments dark red with light or colored margins; inner perianth segments white with a tinge of red, and dark-red central stripes, not ciliate, apiculate, spreading above; filaments pale below, pinkish above; style pinkish above.

M. lloydii

M. lloydii