Suvarna Garge (Editor)

Blackstonia perfoliata

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Kingdom
  
Plantae

Family
  
Gentianaceae

Scientific name
  
Blackstonia perfoliata

Rank
  
Species

Order
  
Gentianales

Genus
  
Blackstonia

Higher classification
  
Blackstonia


Similar
  
Blackstonia, Blackstonia acuminata, Centaurium pulchellum, Gentianaceae, Biscutella auriculata

Centauro giallo blackstonia perfoliata


Blackstonia perfoliata or yellow-wort is a species of flowering plant in the family Gentianaceae found around the Mediterranean Basin, but extending into northwestern Europe.

Contents

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Description

Blackstonia perfoliata FileBlackstonia perfoliata montsaintpere 02 25062006 2JPG

Yellow-wort grows from ten to fifty centimetres, (four to twenty inches), tall with stiff, branching stems. The leaves are glaucous, opposite and entire, the upper ones perfoliate, being united at the base. It bears terminal cymes of bright yellow, stalked flowers, 1 - 1.5 cm across. The calyx is deeply divided into 6-10 linear lobes or sepals, spirally arranged, free or nearly free from each other at the base and shorter than the corolla. The petals number six to ten and form a short tube. There are six to ten adherent stamens and a two-lobed stigma.

Ecology

Blackstonia perfoliata Yellowwort Blackstonia perfoliata NatureSpot

This species is found in chalk or limestone turf and on dunes. It flowers from June to October in Britain where it is widespread but not common. Pathogens affecting B. perfoliata include Peronospora chlorae.

References

Blackstonia perfoliata Wikipedia