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Cistaceae: Hudsonia ericoides L.
(Hudsonia, goldenheather, false heather)

flowers H. ericoides is one of two species in the genus Hudsonia in Nova Scotia. The other is H. tomentosa. Both species are low-growing, mat-forming, heath-like plants. They have scale-like leaves and produce numerous, small, bright yellow, perfect, regular flowers in early summer. H. ericoides is distinguished from H. tomentosa by its outward spreading, needle-like leaves (versus bluntish leaves pressed to the stem in H. tomentosa), a distinct pedicel on flowers (versus sessile or almost sessile flowers in H. tomentosa) and while leaves on H. ericoides have no hairs or may be somewhat hairy1, those of H. tomentosa are densely hairy. H. ericoides typically grows in full sun in coastal barrens and thin pine barrens. Fire kills living plants but stimulates germination of the seedbank.2 In Nova Scotia. H. ericoides is found from Shelburne County to Halifax Co. on the Atlantic coast and in the center of Annapolis Valley. (H. tomentosa occurs only on the Northumberland coast, on sandy shores and dunes.) H. ericoides is a member of Nova Scotia's Coastal Plain Flora and has a restricted range: it occurs in Newfoundland, P.E.I. and Nova Scotia in Canada, and down the eastern seaboard of the U.S. from Maine to to Rhode Island; there is a disjunct population in South Carolina. H. ericoides has S1 or S2 conservation status (at risk or may be at risk) in those states or provinces except for New York (S4: secure) and New Jersey (undetermined); it is yellow ranked (sensitive) under the Nova Scotia DNR General Status Rankings.

Sources | Notes & Refs | Selected Web Resources | Line Drawing

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June 20, 2009. Halifax County: Jack pine barrens by Oceanview Drive (Halifax south mainland)
Photographer: JackPine.
Hudsonia ericoides
  Habitat
Hudsonia ericoides

Hudsonia ericoides

July 7, 2006. Halifax County: Polly's Cove barrens
Photographer: JackPine.
Hudsonia ericoides, Habitat

Habitat

Hudsonia ericoides

Plant growing between juniper shoots.

Hudsonia ericoides, flowers

Globose colony (in center).

Hudsonia ericoides mat
  
Hudsonia ericoides

Units are 1 mm.

Hudsonia ericoides, flower

August 4, 2008. Shelburne County: Indian Field
Photographer: JackPine. Notes
Hudsonia ericoides, HabitatHudsonia ericoides

Growing with Corema conradii between ATV  wheel tracks.


December 2, 2008 & May 25, 2009. Halifax County: Herring Cove Road, close to York Redoubt.
Photographer: JackPine.
Hudsonia ericoides, Habitat

Habitat: Large granite outcrops & erratics.

Hudsonia ericoides

Growing amongst lichens.

Hudsonia ericoides

Plants are approximately 5 cm in height.


 Corema conradii at left.

post fire

Same location as that in photo at top left, on May 25, 2009 after April 30 fire. Vegetation in patches where Hudsonia plants had been observed was completely burned.


Selected Web Resources


Notes & References

  1. Skog, J.T. & Nickerson, N.H. 1972. Variation and speciation in the genus Hudsonia. Annals of the Missouri Botanical Garden, 59 (3): 454-464. JSTOR version. (This paper includes data on N.S. populations.)
  2. Gucker, C.L. 2005. Hudsonia ericoidess. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/. [Accessed 22 Nov. 2008]