Overview

Distribution

National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Ala., Fla., Ga., La., Miss., N.C., S.C., Tex., Va.
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Physical Description

Morphology

Description

Plants 15–55 cm. Roots mostly to 1 cm diam., few, stout. Leaves withering at anthesis, 3–7, basal, spreading, oblanceolate, 5.5 × 0.75–1 cm. Spikes secund to tightly spiraled, 8–10 flowers per cycle of spiral; rachis pubescent, some trichomes capitate, glands obviously stalked. Flowers white; sepals green at base, spatulate, 3–4.5 × 1 mm; petals green at base, linear to lance-oblong, 3–4.5 × 1 mm, apex acute to obtuse; lip with distinct green central portion, ovate to oblong, 3–5 × 2–3 mm, narrowed to rounded apex; veins several, divergent; basal calli pointed outward, thickened, mostly to 1 mm; viscidium linear-lanceolate; ovary mostly 3 mm. Seeds monoembryonic.
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Ecology

Habitat

Se coastal plain and Gulf Coast in dry to moist fields, pine flatwoods, wood roads, cemeteries; 0--100m.
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Life History and Behavior

Cyclicity

Flowering/Fruiting

Flowering Feb--May.
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: N3 - Vulnerable

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NatureServe Conservation Status

Rounded Global Status Rank: G3 - Vulnerable

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Notes

Comments

Spiranthes eatonii is easily confused with S. lacera var. lacera (and in herbarium specimens with S. floridana, S. brevilabris, S. tuberosa, and S. torta), except that it flowers in the winter and spring. It is the only white-flowered, basal-leaved Spiranthes within its range to bloom at that time of year. The narrow, oblanceolate leaves are distinctive within this group.
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Names and Taxonomy

Taxonomy

Comments: Spiranthes eatonii was published in 1999 in North American Native Orchid Journal 5(1): 7-15. Kartesz (1999 Synthesis) accepts the species with the name indicated as a "sp. nov. ined."

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