| 词条 | Spiranthes ovalis |
| 释义 |
| name = Spiranthes ovalis | image =Spiranthes ovalis.jpg | genus = Spiranthes | species = ovalis | authority = Lindl. }} Spiranthes ovalis, commonly called the October lady's tresses,[1] is a species of orchid that is native to eastern North America. Its range is widely distributed, being found from Texas to Florida, north to the Great Lakes.[2] However, it is uncommon throughout most of its range,[3] which has resulted in a patchy known distribution. Its natural habitat is in wet to mesic forests and woodlands.[3][4] It produces delicate white flowers in the fall.[5] It can be distinguished from other Spiranthes in eastern North America by its small, tightly spiraled flowers, and the presence of basal leaves at flowering time.[3][4] TaxonomyTwo varieties of Spiranthes ovalis are recognized.[6] They are:
References1. ^{{PLANTS|id=SPOV|taxon=Spiranthes ovalis|accessdate=19 December 2017}} 2. ^{{BONAP|ref|genus=Spiranthes|species=ovalis|accessdate=18 December 2017}} 3. ^1 2 [https://goorchids.northamericanorchidcenter.org/species/spiranthes/ovalis/ Spiranthes ovalis North American Orchid Conservation Center] 4. ^1 {{cite web |url=http://www.herbarium.unc.edu/flora.htm |title= Flora of the Southern and Mid-Atlantic States |author= Alan Weakley |date= 2015}} 5. ^MissouriPlants 6. ^Flora of North America, Spiranthes ovalis External links
1 : Spiranthes |
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