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Albiflora in Latin means "white flowering".
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Photo of conspecific taxa, varieties, forms and cultivars of
M.
herrerae:
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Scientific Name:
Mammillaria
albiflora
Published in: Blatt. Kaktenf.
1937(2): 1037
Family:
Cactaceae (Cactus
Family)
Series:
Lasiacanthae
Distribution: South of Pozos, Guanajuato,
Mexico (Calera and road from Pozos to San Jose Iturbide) at 50 or more km from the habitat of M herrerae.
Conservation status: Listed in
CITES appendix 2.
Habitat: It grows at 2150-2200 m
in altitude.
Synonyms:
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Morphology (Identifying
Characteristics):
Habit:
it is a small cactus, usually solitary,
globular or
cylindrical
(clusters of stems can be seen in cultivation)
Stem:
Somewhat
cylindrical, slender,
about 2 cm wide and 5-7
cm high, obscured by the spines.
Stem
and tubercles without
latex. The
axil
is naked.
Spines: 60-80
radial spines (less than in
M. herrerae
which has 100 or more),
white, fine and interlacing.
No
central spines.
Roots:
Taproot
Flower: 3,5 cm long and wide, white (rarely with a
pinkish flush when grown in
full sun).
Flowering period (in
Europe): April-May
Fruit:
Whitish,
retained within the spines, but not within the plant
body.
(see:
cryptocarpy)
Seeds: Black.
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Cultivation:
This plant is not famous for being easy to cultivate, but in good
conditions with excellent
ventilation,
it grows without difficulty.
It is especially sensitive to over-watering.
So careful watering and an open
mineral
potting soil are a must.
Avoid
the use of
peat or other
humus sources in the
potting mixture,
and eventually add some
limestone.
Can be sensitive to frost (but if dry they are
resistant to -5° C). It requires maximum
sun exposure
to reach its full potential,
and to
achieve success in
flowering.
A winter rest that allows the plant to shrivel (perhaps losing up to
25% of its summer height) will encourage flowering and long time
survival. Be careful to encourage slow growth.
Provide very good
ventilation.
Propagation: Direct sow
after last frost. (it usually doesn't produces offsets).
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Cultivation and Mail Sale 
