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Comments ( anglais )

fourni par eFloras
Typical plants are easily recognized by the stark white flowers with green venation of the lip. In forma albolabia P. M. Brown & C. McCartney, the lip appears pure white but the raised veins are actually a pale yellow. Plants with creamy green to green flowers, usually in tight spirals, and incurved lateral sepals are local to frequent in north-central Florida and scattered westward in the Gulf counties to eastern Texas.

Hybrids of Spiranthes praecox with S. vernalis are known as Spiranthes × meridionalis P. M. Brown.

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cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 26: 531, 542 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
rédacteur
Flora of North America Editorial Committee
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eFloras.org
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eFloras

Description ( anglais )

fourni par eFloras
Plants 20–75 cm. Roots numerous, slender, mostly to 0.8 cm diam. Leaves persisting through anthesis, to 7, primarily basal reduced to sheathing bracts upward on stem, spreading, linear to linear-lanceolate, 10–25 × 1–5 cm. Spikes loosely to tightly spiraled, 4–7 flowers per cycle of spiral or nearly secund; rachis sparsely pubescent, some trichomes capitate, glands obviously stalked. Flowers white, rarely green; sepals distinct to base, 5.5–10 mm × 2–3 mm; lateral sepals clasping lip, appearing tubular; petals adhering to dorsal sepal, linear, 5–10 × 1–2 mm, apex subacute; lip oblong, 5.5–11 × 2–6 mm, apex dilated, margins often crenulate or toothed, glabrous on adaxial distal surface; veins raised, green, rarely cream colored, prominent, branches divergent, extending nearly to apex; basal calli straight, long-pointed, slender, mostly to 1 mm; viscidium linear-lanceolate; ovary mostly 5 mm. Seeds monoembryonic.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 26: 531, 542 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
rédacteur
Flora of North America Editorial Committee
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Distribution ( anglais )

fourni par eFloras
Ala., Ark., Del., Fla., Ga., La., Md., Miss., N.J., N.C., Okla., S.C., Tex., Va.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 26: 531, 542 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
rédacteur
Flora of North America Editorial Committee
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Flowering/Fruiting ( anglais )

fourni par eFloras
Flowering Feb--Jun (Sep, north).
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 26: 531, 542 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
rédacteur
Flora of North America Editorial Committee
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Habitat ( anglais )

fourni par eFloras
Primarily on coastal plain and Gulf Coast in dry to moist roadsides, fields, pine flatwoods, pine savannas, cemeteries; 0--400m.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 26: 531, 542 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
rédacteur
Flora of North America Editorial Committee
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Synonym ( anglais )

fourni par eFloras
Limodorum praecox Walter, Fl. Carol., 221. 1788; Ibidium praecox (Walter) House
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 26: 531, 542 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
rédacteur
Flora of North America Editorial Committee
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Spiranthes praecox ( anglais )

fourni par wikipedia EN

Spiranthes praecox, the grass leaved ladies' tresses (sometimes spelled grassleaf ladies'-tresses), green-vein ladies'-tresses or sometimes giant ladies' tresses is a terrestrial orchid endemic to the United States, growing on the eastern coastal plains and around the Gulf Coast.[1][2]

Description

Spiranthes praecox is a herbaceous species growing 20–75 cm high, with up to 7 long basal leaves. There are up to 40 white flowers arranged in a spiral around the stem. The lip of each flower has prominent, branched green colored veins. Bloom time is mainly from February to June (or even later at the northern range extent).[1][3]

Form Spiranthes praecox forma albolabia has pure white lips with yellowish instead of green veins.[3]

Distribution and habitat

Spiranthes praecox is native to Alabama, Arkansas, Delaware, Florida, Georgia, Louisiana, Maryland, Mississippi, Missouri, New Jersey, North Carolina, Oklahoma, South Carolina, Texas, Virginia.[4]

It grows in coastal planes in dry to moist prairies, meadows, pinelands, and bogs.[3]

Taxonomy

Spiranthes praecox was first described by Thomas Walter in 1788 (as Limodorum praecox).[4]

References

  1. ^ a b "Spiranthes praecox". North American Orchid Conservation Center (NAOOC), Smithsonian Environmental Research Center. 2018. Retrieved 19 February 2022.
  2. ^ LeGrand, Harry. "Account for Grassleaf Ladies'-tresses". Vascular Plants of North Carolina. North Carolina Biodiversity Project and North Carolina State Parks. Retrieved 19 February 2022.
  3. ^ a b c Flora of North America Editorial Committee (ed.). "Spiranthes praecox". Flora of North America North of Mexico (FNA). New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  4. ^ a b "Spiranthes praecox". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 19 February 2022.

Media related to Spiranthes praecox at Wikimedia Commons

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Wikipedia authors and editors
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wikipedia EN

Spiranthes praecox: Brief Summary ( anglais )

fourni par wikipedia EN

Spiranthes praecox, the grass leaved ladies' tresses (sometimes spelled grassleaf ladies'-tresses), green-vein ladies'-tresses or sometimes giant ladies' tresses is a terrestrial orchid endemic to the United States, growing on the eastern coastal plains and around the Gulf Coast.

licence
cc-by-sa-3.0
droit d’auteur
Wikipedia authors and editors
original
visiter la source
site partenaire
wikipedia EN

Spiranthes praecox ( vietnamien )

fourni par wikipedia VI

Spiranthes praecox là một loài thực vật có hoa trong họ Lan. Loài này được (Walter) S.Watson miêu tả khoa học đầu tiên năm 1890.[1]

Chú thích

  1. ^ The Plant List (2010). Spiranthes praecox. Truy cập ngày 7 tháng 6 năm 2013.

Liên kết ngoài


Bài viết tông lan Cranichideae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.
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cc-by-sa-3.0
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Wikipedia tác giả và biên tập viên
original
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wikipedia VI

Spiranthes praecox: Brief Summary ( vietnamien )

fourni par wikipedia VI

Spiranthes praecox là một loài thực vật có hoa trong họ Lan. Loài này được (Walter) S.Watson miêu tả khoa học đầu tiên năm 1890.

licence
cc-by-sa-3.0
droit d’auteur
Wikipedia tác giả và biên tập viên
original
visiter la source
site partenaire
wikipedia VI