Griffinia hyacinthina
Encyclopedia
Griffinia hyacinthina is a bulbous
Bulb
A bulb is a short stem with fleshy leaves or leaf bases. The leaves often function as food storage organs during dormancy.A bulb's leaf bases, known as scales, generally do not support leaves, but contain food reserves to enable the plant to survive adverse conditions. At the center of the bulb is...

 species of flowering plant
Flowering plant
The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...

 which is endemic to Brazil. The plant has blue flowers (as suggested by the specific epithet "hyacinthina"), collected into an umbel
Umbel
An umbel is an inflorescence which consists of a number of short flower stalks which are equal in length and spread from a common point, somewhat like umbrella ribs....

. The leaves are green, elliptical and petiolate.

This species of Griffinia
Griffinia
Griffinia is a genus of monocotyledonous plants in the Amaryllidaceae family, subfamily Amaryllidoideae. It includes 21 species which are endemic to South America, Brazil. The most closely related genus to it is the monotypic Worsleya. The members of the genus Griffinia are tropical, bulbous plants...

grows in a very specific habitat. It requires the warmth, deep shade and high humidity of the tropical rainforest where the floor is covered with large quantities of organic matter. Like related species, G. hyacinthina is endemic to Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

. It is native to the south-eastern part of the country, specifically the Atlantic Forest.

Two varieties of the species have been described:
  • Griffinia hyacinthina var. micrantha
  • Griffinia hyacinthina var. maxima
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