Dudleya pulverulenta

Dudleya pulverulenta (chalk dudleya) is a series of Dudleya.

Background
Often growing in colonies 2 to 5 meters broad; stems cylindric, much branched, usually less than 1 meter high, but occasionally 1.5 meters high, with numerous lateral branches; branches rather short, usually only 8 to 20 cm. long, thick (5 to 6 cm. in diameter) ; old branches bluish green, with low tubercles sometimes 2 cm. long; young joints bright green, with high tubercles flattened laterally; spines tardily developing, but formidable on old branches, very unequal, in clusters of 10 or more, the longest ones nearly 10 cm. long, whitish in age; glochids numerous, brownish, caducous; leaves minute, 2 to 3 mm. long; areoles circular, when young filled with white wool, in age somewhat elevated on the areoles; flowers rather variable in length, 4 to 8 cm. long including the ovary, rose-colored to nearly white; petals broad, apiculate, 2 to 2.5 cm. long; filaments rose-colored; ovary strongly tuberculate; areoles filled with numerous brown glochids and subtended by minute leaves; style white; stigma-lobes green; fruit ovoid to oblong in outline, nearly white; umbilicus truncate; seeds small, 4 mm. broad. Type locality is in South America, but no definite locality. Distribution is in the province of Atacama, Chile.

Varieties/Subspecies
D. p. miquelii