Mammillaria elongata DC.-백사선인장

백사선인장

Mammillaria elongata DC.

국표에는

재배식물

정명

Mammillaria elongata var. intertexta (DC.) Salm-Dyck

황금사선인장

2011/12/08

 

 

Mammillaria elongata DC.

이 학명으로는 국표에 없다.

 

Origin and Habitat: Mammillaria elongata is endemic to Mexico, where it is distributed in the states of Guanajuato, Hidalgo and Querétaro.
Altitude range: This species grows at about 1,300 to 2,300 metres above sea level.
Habitat and Ecology: This cactus can be found in calcareous soils in matorral. This species is abundant and common over its limited distribution, but mining, land use conversion for agriculture, and habitat degradation due to grazing of goats are impacting some subpopulations of this species.

 

Synonyms:

• Chilita elongata (DC.) Orcutt
• Krainzia elongata (DC.) Doweld
• Leptocladia elongata (DC.) Buxb.
• Leptocladodia elongata (DC.) Buxb.
• Neomammillaria elongata (DC.) Britton & Rose

Common Names include:
ENGLISH: Lady Fingers, Golden Stars

Description: Mammillaria elongata is a succulent ground cover, forming with time a tight clumps of erect, ascending, prostrate or recumbent stems. This may be the most common Mammillaria to be found and occurs in more variations than any other Mammillaria species. It commonly comes in many colour and spine variations.
Stems: Elongated cylindrical, finger-like, 1 - 3 cm in diameter 3-10 cm long.
Roots: Fibrous.
Tubercle: Tubercles slender conical arranged in perfect spiral in a few rows. The axil is naked or nearly so.
Areoles: Pubescent when young.
Radial spines: 14 - 25 interlocking, arranged as a star, variable in number, white to golden yellow to brown, the degree of brown colouring varying from plant to plant, slender, needle-like, more or less recurved 4 - 12 mm long.
Central spines: Usually absent, sometimes 2, yellow to brownish, with dark tips, 10 - 15 mm long. 

 

Flower: Small bell shaped to 10 mm long and in diameter at the upper part of the plant. Perianth segments about 12, rather broad, obtuse or sometimes apiculate. whitish, pale yellow or pinkish, sometimes flushed pink or with pink midstripes.
Blooming season: Spring, but can bloom for a second time later in the year.
Fruit: Pink, becoming red.
Seed: Brown.
Remarks: This is a popular species, but many cultivated forms are hybrids, especially with Mammillaria microhelia
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www.llifle.com/Encyclopedia/CACTI/Family/Cactaceae/9106/Mammillaria_elongata