Indigofera heterantha

Indigofera heterantha (syn. Indigofera gerardiana), commonly known as Himalayan indigo, is a species of flowering plant in the legume family Fabaceae. It is native to the northwestern Himalayas of Tibet, in Asia.

Indigofera gerardiana
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Genus: Indigofera
Species:
I. gerardiana
Binomial name
Indigofera gerardiana

It belongs to the same genus as plants formerly used to produce indigo dye.

Description

Indigofera heterantha is a deciduous shrub growing to 2–3 m (7–10 ft) tall and broad, with pinnate leaves, each leaf carrying up to 21 grey-green oval leaflets, and racemes of purple pea-like flowers in summer.[1][2]

The Latin specific epithet heterantha means "with various or diverse flowers".[3]

Cultivation

Indigofera heterantha is cultivated as an ornamental plant for a position in bright sunlight. It is drought tolerant and very hardy, down to −15 °C (5 °F) However, in colder areas it can be herbaceous, meaning that at the end of the season it dies back down to ground level before regrowing the following year.

This plant has gained the Royal Horticultural Society's Award of Garden Merit.[4][5]

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References
  1. RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964.
  2. Ursula Buchan (1 August 2008). "telegraph.co.uk - Indigofera heterantha". UK: The Telegraph. Retrieved 20 May 2015.
  3. Harrison, Lorraine (2012). RHS Latin for Gardeners. United Kingdom: Mitchell Beazley. ISBN 184533731X.
  4. "RHS Plant Selector - Indigofera heterantha AGM". Royal Horticultural Society. Retrieved 2013-05-20.
  5. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 52. Retrieved 12 March 2018.
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