Difference between revisions of "Spiranthes floridana"
Rhodora 38: 405. 1936.
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|name=Ibidium floridanum | |name=Ibidium floridanum | ||
|authority=Wherry | |authority=Wherry | ||
| + | |rank=species | ||
|publication_title=J. Wash. Acad. Sci. | |publication_title=J. Wash. Acad. Sci. | ||
|publication_place=21: 49, fig. 1. 1931 | |publication_place=21: 49, fig. 1. 1931 | ||
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|name=Spiranthes brevilabris var. floridana | |name=Spiranthes brevilabris var. floridana | ||
|authority=(Wherry) Luer | |authority=(Wherry) Luer | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Spiranthes gracilis var. floridana | |name=Spiranthes gracilis var. floridana | ||
|authority=(Wherry) Correll | |authority=(Wherry) Correll | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Orchidaceae;Orchidaceae subfam. Orchidoideae;Orchidaceae tribe Cranichideae;Orchidaceae (tribe Cranichideae) subtribe Spiranthinae;Spiranthes;Spiranthes floridana | |hierarchy=Orchidaceae;Orchidaceae subfam. Orchidoideae;Orchidaceae tribe Cranichideae;Orchidaceae (tribe Cranichideae) subtribe Spiranthinae;Spiranthes;Spiranthes floridana | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Spiranthes floridana | name=Spiranthes floridana | ||
| − | |||
|authority=(Wherry) Cory | |authority=(Wherry) Cory | ||
|rank=species | |rank=species | ||
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|publication year=1936 | |publication year=1936 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V26/V26_1087.xml |
|subfamily=Orchidaceae subfam. Orchidoideae | |subfamily=Orchidaceae subfam. Orchidoideae | ||
|tribe=Orchidaceae tribe Cranichideae | |tribe=Orchidaceae tribe Cranichideae | ||
Revision as of 20:44, 16 December 2019
Plants 7–40 cm. Roots few–numerous, spreading to descending, mostly to 0.5 cm diam., stout. Leaves usually persisting through anthesis, 3–5, basal, spreading, oval-oblanceolate, 2–6 × 1–2 cm. Spikes secund to loosely spiraled, 8–10 flowers per cycle of spiral; rachis glabrous to sparsely pubescent, trichomes commonly minute, abortive; any glands stalked, trichomes then capitate. Flowers creamy yellow to pale greenish yellow; sepals 5 × 1 mm, distinct to base, appressed; petals elliptic, slightly oblique, linear to lance-oblong, 5 × 1 mm, apex acute to obtuse; lip commonly yellow centrally, ovate to oblong, 5 × 2.5 mm, apex dilated, yellow and papillate-pubescent, its margin crisped, finely lacerate; veins several, branches very short; basal calli long-pointed, mostly to 1 mm; viscidium linear-lanceolate; ovary mostly 3 mm. Seeds monoembryonic.
Phenology: Flowering Feb–Apr.
Habitat: Dry to moist roadsides, fields
Elevation: 0–100 m
Distribution
Ala., Fla., Ga., La., Miss., N.C., S.C., Tex.
Discussion
Spiranthes floridana and S. brevilabris are often and easily confused, although the degree of pubescence is an excellent diagnostic tool in the field.
This species has become very uncommon, with only a single extant population known in 1998–2000.
Selected References
None.