Micranthocereus

Micranthocereus estevesii

Micranthocereus is a genus of flowering plants of the cactus family ( Cactaceae ). The botanical name of the genus comes from the Greek words " μικρός " ( micros ) for small and " ἅνθος " ( anthos ) for flowering and means Kleinblütiger Cereus. The type species of the genus is Micranthocereus polyanthus.

Description

The species of the genus Micranthocereus grow bushy to high columnar, upright, not or branched from the base and reach a height of up to three meters. The cylindrical shoots are densely spined. Your 10 to 30 ( or more) narrow ribs densely covered with areoles, which often generate long wool and thorns. The lateral cephalium is superficial or sunken and is made of wool and bristles.

The tubular, usually appearing in groups of flowers open during the day or at night. They are 2-5 inches long. The Perikarpell and the flowers are tubular, except for a few scales, bald. The bloom is short, erect or spreading, and of different colors.

The small, bare, fleshy, red fruits are not tearing up. The sparse flesh is nearly white. The flowers rest on a permanent or falls off late. The almost smooth, grubigen seeds are dark brown.

Distribution and systematics

The genus Micranthocereus is widespread in Central and Eastern Brazil. The first description as originally monotypic genus was made in 1938 by Curt Backeberg. The genus Micranthocereus is closely related to the genus Arrojadoa.

The type species of the genus is Cephalocereus polyanthus. Belong to the genus of the following types:

Synonyms of the genus are Austrocephalocereus Backeb. and Siccobaccatus P.J.Braun & Esteves.

Evidence

Cactoideae Digital Object Identifier
90901
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