Phlox douglasii

Short description: Species of flowering plant

Phlox douglasii

Flowers of Phlox douglasii at the Giardino Botanico Alpino Chanousia
Scientific classification
Kingdom:  | Plantae
Clade:  | Tracheophytes
Clade:  | Angiosperms
Clade:  | Eudicots
Clade:  | Asterids
Order:  | Ericales
Family:  | Polemoniaceae
Genus:  | Phlox
Species:  |

P. douglasii

Binomial name
Phlox douglasii

Hook.

Synonyms[1][2]

* Phlox rigida Benth.
* Phlox douglasii subsp. rigida (Benth.) Wherry

Phlox douglasii, common name tufted phlox or Columbia phlox, is a species of perennial herb belonging to the family Polemoniaceae. In the past it has been mistakenly included within the species Phlox caespitosa.[1]

## Contents

* 1 Description
* 2 Distribution
* 3 Habitat
* 4 Cultivars
* 5 References

## Description

Phlox douglasii can reach a height of about 10 cm. This plant forms shrubs, low mounds or cushions of simple needle-like dark green leaves, 4–8 millimetres (0.16–0.31 in) long. Flowers may be purple, pink, pale lavender or magenta-red, about 1.5 cm across, usually in terminal clusters. They bloom from April to August.

## Distribution

Phlox douglasii is native to northwestern United States.

## Habitat

This species prefers dry areas, sagebrush scrubs and woodlands, at elevation of 1,500–2,000 metres (4,900–6,600 ft) above sea level.

## Cultivars

The following hybrid cultivars have received the Royal Horticultural Society's Award of Garden Merit:

* 'Boothman's Variety'[3] (pink, darker eye)
* 'Crackerjack'[4] (magenta)
* 'Iceberg'[5] (white)
* 'Kelly's Eye'[6] (pale pink)
* 'Red Admiral'[7] (deep pink)

## References

1. ↑ 1.0 1.1 James H. Locklear (2010), "Columbia Phlox (Phlox douglasii Hook.)", Kalmiopsis 17: 1–8, http://www.npsoregon.org/kalmiopsis/kalmiopsis17/locklear.pdf
2. ↑ Jepson Herbarium - University of California, Berkeley
3. ↑ "Phlox douglasii 'Boothman's Variety'". RHS. https://www.rhs.org.uk/Plants/53385/Phlox-douglasii-Boothman-s-Variety/Details.
4. ↑ "Phlox douglasii 'Crackerjack'". RHS. https://www.rhs.org.uk/Plants/57213/Phlox-douglasii-Crackerjack/Details.
5. ↑ "Phlox douglasii 'Iceberg'". RHS. https://www.rhs.org.uk/Plants/93564/Phlox-douglasii-Iceberg/Details.
6. ↑ "Phlox douglasii 'Kelly's Eye'". RHS. https://www.rhs.org.uk/Plants/76865/Phlox-Kelly-s-Eye/Details.
7. ↑ "Phlox douglasii 'Red Admiral'". RHS. https://www.rhs.org.uk/Plants/67311/Phlox-douglasii-Red-Admiral/Details.

* Biolib
* Royal Horticultural Society

Wikidata ☰ Q16987983 entry

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