Plantae > Tracheophyta > Liliopsida > Asparagales > Orchidaceae > Spiranthes > Spiranthes cernuaSpiranthes cernua (Nodding Ladies'-tresses)Synonyms: Gyrostachys cernua (homotypic); Gyrostachys constricta; Ibidium cernuum (homotypic); Limnodorium autumnale; Limodorum autumnale; Neottia cernua (homotypic); Neottia cernuua; Ophrys cernua (homotypic); Spiranthes annua; Spiranthes cernua var. cernua; Spiranthes cernua var. ochroleuca; Spiranthes constricta; Spiranthes parksii; Spiranthes petiolaris; Triorchis cernua; Triorchis cernuus (homotypic); Triorchos cernuus Spiranthes cernua, commonly called the nodding lady's tresses, is a species of orchid occurring from Eastern Canada to the central and eastern United States. A commonly cultivated variety is Spiranthes cernua var. odorata 'Chadds Ford', grown because of its larger flowers, ease of cultivation, and other merits. As the common name suggests cernua means "falling over," or "bowed" in Latin. |
| Bloom Period [1] | Late Summer | | Drought Tolerance [1] | None | | Fire Tolerance [1] | Medium | | Frost Free Days [1] | 90 days | | Fruit/Seed Abundance [1] | Medium | | Fruit/Seed Begin [1] | Spring | | Fruit/Seed End [1] | Fall | | Growth Form [1] | Single Crown | | Growth Period [1] | Spring, Summer | | Growth Rate [1] | Moderate | | Leaf Type [1] | Deciduous | | Lifespan [1] | Perennial | | Propagation [1] | Seed, Tuber | | Regrowth Rate [1] | Slow | | Root Depth [1] | 8 inches (20 cm) | | Seed Spread Rate [1] | Slow | | Seed Vigor [1] | Low | | Shape/Orientation [1] | Erect | | Structure [2] | Herb | | Vegetative Spread Rate [1] | None |  | | Flower Color [1] | White | | Foliage Color [1] | Green | | Fruit Color [1] | Brown | | | Flower Conspicuous [1] | Yes | | | Height [1] | 20 inches (0.5 m) | | | Hardiness Zone Minimum [1] | USDA Zone: 3 Low Temperature: -40 F° (-40 C°) → -30 F° (-34.4 C°) | | Light Preference [1] | Full Sun | | Soil Acidity [1] | Mostly Acid | | Soil Fertility [1] | Intermediate | | Water Use [1] | High | | | Screening - Summer [1] | Porous | | Screening - Winter [1] | Porous |
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| Name |
IUCN Category |
Area acres |
Location |
Species |
Website |
Climate |
Land Use |
|
Acadia National Park |
II |
35996 |
Maine, United States |
 |
 |
 |
 |
|
Algonquin Provincial Park |
IV |
1868802 |
Ontario, Canada |
|
|
|
|
|
Allegheny Portage Railroad Nat'l Hist. Site National Historic Site |
III |
1152 |
Pennsylvania, United States |
|
|
|
|
|
Assateague Island National Seashore |
II |
8621 |
Maryland, United States |
|
|
|
|
|
Blue Ridge Parkway National Parkway |
V |
73611 |
North Carolina, Virginia, United States |
|
|
|
|
|
Bombay Hook National Wildlife Refuge |
VI |
16363 |
Delaware, United States |
|
|
|
|
|
Bruce Peninsula National Park |
II |
|
Ontario, Canada |
|
|
|
|
|
Canaveral National Seashore |
II |
9090 |
Florida, United States |
|
|
|
|
|
Catoctin Mountain Park National Park |
II |
5994 |
Maryland, United States |
|
|
|
|
|
Chippewa Nature Center |
|
|
Michigan, United States |
|
|
|
|
|
Colonial National Historic Park National Historical Park |
V |
9316 |
Virginia, United States |
|
|
|
|
|
Coweeta Hydrologic Laboratory LTER Site Long Term Ecological Research |
|
|
North Carolina, United States |
|
|
|
|
|
Cumberland Gap National Hist. Park National Historical Park |
V |
24282 |
Kentucky, Tennessee, Virginia, United States |
|
|
|
|
|
Desecheo National Wildlife Refuge |
|
|
Puerto Rico, United States |
|
|
|
|
|
Fire Island National Seashore |
V |
9433 |
New York, United States |
|
|
|
|
|
Gateway National Recreation Area |
V |
1807 |
New Jersey, United States |
|
|
|
|
|
Gauley River National Recreation Area |
V |
10157 |
West Virginia, United States |
|
|
|
|
|
Georgian Bay Islands National Park |
II |
|
Ontario, Canada |
|
|
|
|
|
Great Smoky Mountains National Park |
II |
515454 |
North Carolina, Tennessee, United States |
|
|
|
|
|
Hopewell Furnace National Historic Site |
III |
861 |
Pennsylvania, United States |
|
|
|
|
|
Horseshoe Bend National Military Park |
V |
1926 |
Alabama, United States |
|
|
|
|
|
Indiana Dunes National Lakeshore |
II |
8272 |
Indiana, United States |
|
|
|
|
|
Isle Royale Biosphere Reserve |
Ib |
571799 |
Michigan, United States |
|
|
|
|
|
Kejimkujik National Park |
II |
94203 |
Nova Scotia, Canada |
|
|
|
|
|
La Mauricie National Park |
II |
131706 |
Quebec, Canada |
|
|
|
|
|
Mammoth Cave Area Biosphere Reserve (Natn'l Park) National Park |
II |
51235 |
Kentucky, United States |
|
|
|
|
|
Moores Creek National Battlefield |
III |
100 |
North Carolina, United States |
|
|
|
|
|
Niagara Escarpment Biosphere Reserve |
|
470167 |
Ontario, Canada |
|
|
|
|
|
Obed Wild and Scenic River National River and Wild and Scenic Riverway |
V |
5268 |
Tennessee, United States |
|
|
|
|
|
Point Pelee National Park |
II |
5764 |
Ontario, Canada |
|
|
|
|
|
Rondeau Provincial Park |
II |
5035 |
Ontario, Canada |
|
|
|
|
|
Saint Lawrence Islands National Park |
II |
|
Ontario, Canada |
|
|
|
|
|
Saratoga National Historical Park |
|
|
New York, United States |
|
|
|
|
|
Shenandoah National Park |
II |
108221 |
Virginia, United States |
|
|
|
|
|
Shiloh National Military Park |
III |
4061 |
Tennessee, United States |
|
|
|
|
|
Southern Appalachian Biosphere Reserve |
|
37548505 |
North Carolina, Tennessee, United States |
|
|
|
|
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0
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