There are 5 verified occurrences, 11 historical occurrences.
Very few plants at the single site.
Little threat due to isolation of the occurrences.
In New York Spurred Gentian occurs on calcareous cliffs, ledges, and outcrops in cool (often shaded) micro-climates. All of the known, extant sites in the state are along rivers (New York Natural Heritage Program 2011). Moist to wet, cool woods, bogs (Haines 1998). Cedar swamps; woods and thickets of spruce, fir, cedar, less often pine and aspen; frequently in springy, mossy places and often especially common at the borders of coniferous woods (as along shores); occasionally in fens and borrow pits (Voss 1996). Moist or wet woods and bogs (Gleason and Cronquist 1991).
East central New York to the Delaware River.
The best time to see Spurred Gentian is when it is flowering, in late July or August.
The time of year you would expect to find Spurred Gentian flowering and fruiting in New York.
Halenia deflexa (Sm.) Griseb.
Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden, Bronx, New York. 910 pp.
Holmgren, Noel. 1998. The Illustrated Companion to Gleason and Cronquist's Manual. Illustrations of the Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden, Bronx, New York.
New York Natural Heritage Program. 2019. New York Natural Heritage Program Databases. Albany, NY.
Weldy, T. and D. Werier. 2010. New York flora atlas. [S.M. Landry, K.N. Campbell, and L.D. Mabe (original application development), Florida Center for Community Design and Research http://www.fccdr.usf.edu/. University of South Florida http://www.usf.edu/]. New York Flora Association http://newyork.plantatlas.usf.edu/, Albany, New York
Zaremba, Robert E. 1991. Corrections to phenology list of April 9, 1991.
Information for this guide was last updated on: August 9, 2011
Please cite this page as:
New York Natural Heritage Program. 2019. Online Conservation Guide for Halenia deflexa. Available from: https://guides.nynhp.org/spurred-gentian/. Accessed September 22, 2019.