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Phlox divaricata

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Kingdom
  
Family
  
Scientific name
  
Phlox divaricata

Rank
  
Species

Order
  
Genus
  
Phlox

Higher classification
  
Phlox

Phlox divaricata httpsnewfss3amazonawscomtaxonimages1000s1

Similar
  
Phlox, Phlox paniculata, Creeping phlox, Phlox subulata, Phlox douglasii

Woodland phlox phlox divaricata


Phlox divaricata, the wild blue phlox, woodland phlox, or wild sweet william, is a species of flowering plant in the family Polemoniaceae, native to forests and fields in eastern North America.

Contents

Phlox divaricata Phlox divaricata Woodland Phlox Wild Blue Phlox Wild Sweet William

Wild blue phlox phlox divaricata


Etymology

The species name divaricata means "with a spreading and straggling habit".

Description

Wild blue phlox is a semi-evergreen perennial growing 25–50 cm (10–20 in) tall with opposite, unstalked, hairy leaves 2.5–5 cm (1–2 in) in length and ovate-lanceolate in shape. Flowers appear in late spring and early summer. They are pleasantly fragrant and 2–4 cm (341 12 in) in diameter, with five petals fused at the base into a thin tube. The petals are a variety of pastel colors: blue-lavender, light purple, pink, or white.

There are two subspecies: ssp. divaricata, with petals notched at the tip, and ssp. laphamii, without a notch.

Ecology

The flowers produce nectar at the base of the long, narrow corolla tube, and pollen near the end of the corolla tube. Only butterflies, moths, skippers, and long-tongued bees have long enough tongues to drink the nectar. Short-tongued bees and flower flies are unable to reach the nectar, but may gather or feed on pollen.

Phlox divaricata Phlox divaricata CAROLYN39S SHADE GARDENS

Phlox is self-incompatible, so it requires cross-pollination to produce seed. Butterflies are the most effective pollinators. As they insert their proboscis into the flower to drink nectar, it contacts the anthers and picks up pollen. As they coil the proboscis before moving to the next flower, most of the pollen falls off, but some remains to be transferred to the stigma of the next flower that they drink nectar from.

Cultivars

Phlox divaricata Phlox divaricata Common name Family Name Environmental Studies

Cultivated varieties have various colours, including blue ('Blue Moon'), lavender ('Clouds of Perfume') and white ('Fuller's White', 'White Perfume'). The cultivar 'Chattahoochee' (lavender) has gained the Royal Horticultural Society's Award of Garden Merit.

References

Phlox divaricata Wikipedia