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Accepted Scientific Name: Mammillaria pectinifera F.A.C.Weber in Bois
Dict. Hort. [Bois] 2: 804. 1898 Bois cf. Britton & Rose. Cactaceae. 4: 64 (1923)
Origin and Habitat: Garden origin (Nursery produced cultivar)
Mammillaria pectinifera F.A.C.Weber in Bois
Dict. Hort. [Bois] 2: 804. 1898
- Mammillaria pectinifera F.A.C.Weber in Bois
- Lactomamillaria aselliformoides Frič
- Neomammillaria pectinata (Stein) Fosberg
- Pelecyphora aselliformis var. pectinata hort.
- Pelecyphora pectinata Stein
- Solisia pectinata (Stein) Britton & Rose
- Mammillaria pectinifera f. cristata hort.
- Neomammillaria pectinata f. cristata hort.
- Pelecyphora pectinata f. cristata hort.
- Solisia pectinata f. cristata hort.
- Mammillaria pectinifera f. monstruosa hort.
Description: Mammillaria pectinifera f. monstruosa is an odd monstrous plant with narrow felt-like areoles derived from the well known Mammillaria pectinifera.
Habit: This cultivars is easily grown into small clumps or mounds, and tends to offset more abundantly than the normal form.
Stem: Depressed-globose to somewhat elongated (depending on growing condition) 3-7 cm in diameter, green, with white wool in the centre, and also in the older areoles.
Tubercles: Hatchet-shaped, laterally compressed, and often thinner than the above standing areoles.
Areoles: Very distinctive, creamy-white, conspicuous, in relief, extremely elongated, 5-12 mm long and 2-4 mm broad.
Spines: The dense felt that cover the areoles, if you look carefully, is formed by extremely, short bristle-like spines that give the areoles its characteristic felty appearance, in fact these areoles are firm to the touch because they are densely covered by innumerable tiny spines. The younger areoles at the stems apex are greenish.
Flowers. Not seen.
Similar cultivars: A similar abnormal uncoordinated form of vegetative growth, is also seen in Mammillaria cv. Chiara Blando.
Subspecies, varieties, forms and cultivars of plants belonging to the Mammillaria pectinifera group
- Mammillaria pectinifera F.A.C.Weber in Bois: It is a small cactus that in habitat appears above the ground as a squat stem. Spines: 20-40, pectinate, flattened against the body, fine, numerous, white, 1.5 - 2 mm long. Lacking central spines. Distribution: Puebla.
- Mammillaria pectinifera f. cristata hort.: crested form. This plant has different crested forms, some very thin and other wide and strong.
- Mammillaria pectinifera f. monstruosa hort.: has apparentely spineless, creamy-white, extremely elongated areoles, but if you look carefully, they are formed by extremely, short bristle-like spines that give the areoles their characteristic felty appearance.
- Mammillaria solisioides Backeb.: has only 25, flexible, chalky or dirty white, less pectinately arranged than the type and flattened against the stem surface, to 5 mm long. Central spines: Not present. Distribution: Oaxaca and Puebla.
- This is a very peculiar monstrous form with velvety areoles. Photo by: Valentino Vallicelli
Mammillaria pectinifera f. monstruosa Photo by: Valentino Vallicelli
Cultivation and Propagation: This plant is grown exclusively grafted. Keep well ventilated, protect from frosts and freezes. Give plenty of light to keep plant compact, but avoid direct sun exposure in the hottest part of the day during the summer.
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