Pachystachys

Pachystachys is a genus of 12 species of flowering plants in the family Acanthaceae, native to rainforest in the Caribbean and Central and South America. They are evergreen perennials and shrubs bearing prominent terminal spikes of flowers with brightly coloured bracts.[1]

Pachystachys
P. spicata, Oldenburg Botanic Gardens, Germany
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Acanthaceae
Tribe: Justicieae
Genus: Pachystachys
Nees
Species

12 species, see text

The name Pachystachys comes from the Greek for "thick spike", referring to the flower heads.[2] The genus is closely related to Justicia.[1]

The species P. coccinea, P. lutea and P. spicata are found in cultivation. They can be grown outside in subtropical gardens in areas where the temperature does not fall below 10 °C (50 °F). Elsewhere, they can be grown under glass or as houseplants.[1]

List of species
  • Pachystachys badiospica
  • Pachystachys coccinea
  • Pachystachys fosteri
  • Pachystachys incarnata
  • Pachystachys killipii
  • Pachystachys longibracteata      
  • Pachystachys lutea
  • Pachystachys ossolae
  • Pachystachys puberula
  • Pachystachys rosea
  • Pachystachys schunkei
  • Pachystachys spicata[3][4]

References
  1. RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1-4053-3296-4.
  2. Coombes, Allen J. (2012). The A to Z of plant names. USA: Timber Press. p. 312. ISBN 978-1-60469-196-2.
  3. http://www.ipni.org/index.html
  4. http://www.theplantlist.org/browse/A/Acanthaceae/Pachystachys/
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