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Article Nº 2899 Plant Vol. III · p. 146 1 min read

Piorno

Describes the two Madeiran shrubs called piorno, Genista maderensis and G. virgata, their distribution and wood uses.

Piorno

Two species are known by this name in Madeira: Genista maderensis and G. virgata. The first is a shrub or small tree of 1.50 to 5 metres, with trifoliate leaves and small, satiny-pubescent leaflets, only rarely almost hairless on the upper surface. The second is a shrub that can reach 2.50 m in height, with very small, leafless-looking, satiny-pubescent and whitish leaves. These two Leguminosae, both belonging to the subfamily Papilionoideae, have yellow flowers arranged in racemes. G. maderensis occurs in some ravines of the interior and between São Vicente and São Jorge; G. virgata is common in the outskirts of Funchal, in the Ribeira de Santa Luzia (‘St Lucy’s stream’), at Jardim da Serra (‘upland garden’), etc. The wood of the latter species, used exclusively for inlaid work (embutidos), is heavy, hard and compact, at first a yellowish white and later a reddish brown; that of the former, entirely unknown to cabinetmakers, is white or yellowish white. Genista maderensis, sometimes used as fodder for domestic animals, is, contrary to what Masferrer y Arquimbau supposed, a species quite distinct from the ‘gacia’ of the Canary Islands (Cytisus stenopetalus).

In this article

Place

Places mentioned · 06

Abroad

Map: Madeira (6)
  1. Canary Islands

    Spain. Home of the gacia, a distinct species.

  2. Funchal

    G. virgata is frequent in its surroundings.

  3. Jardim da Serra

    Câmara de Lobos. Site where G. virgata is frequent.

  4. Ribeira de Santa Luzia

    Funchal. Site where G. virgata is frequent.

  5. São Jorge

    Santana. G. maderensis grows between São Vicente and here.

  6. São Vicente

    G. maderensis grows between here and São Jorge.

People

People mentioned · 01
  1. Botanist who wrongly supposed Genista maderensis identical with the Canarian gacia, according to the Elucidário.

On the sheet P

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