Spiranthes spiralis (L.) Chevall 1827
Creators
Description
1. S. spiralis (L.) Chevall.,
Fl. Gén. Env. Paris 2: 330 (1827) (S. autumnalis L. C. M. Richard).
Roots tuber-like, oblong- ellipsoid. Stem 6-20(-35) cm, glandular-pubescent, bearing 3-7 closely appressed, lanceolate scale-leaves. Foliage-leaves 2-3-5 cm, ovate-elliptical, acute, glabrous, glaucous, in a basal rosette, usually withered at anthesis, but next year’s rosette appears during anthesis beside the flowering stem. Spike 3-10 cm, slender, with 6-20 flowers in one spiral row. Bracts 6-7 mm, acuminate. Perianth-segments 6-7 mm, oblong, white, the upper 3 conni vent and forming with the labellum a tube enclosing the column, the outer lateral segments patent. Labellum 6-7 mm, with up wardly curved margins and undulate-crenulate apex, yellowish- green. Flowering in autumn or late summer. 2ft = 30.
Grassland.
S., W. & C. Europe, extending northwards to E. Denmark. All except Az Fa Fe Is No Rs (N, B, C, K, E) Sb Su.
Even among orchids this species is noteworthy for the irregu larity of its flowering; in certain regions, especially in the northern part of its range, populations often do not flower for many seasons.
Notes
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Linked records
Additional details
Identifiers
Related works
- Is part of
- Book chapter: 10.5281/zenodo.215522 (DOI)
- Book chapter: http://publication.plazi.org/id/AF0D685FFF9FFF9D6B0CFFECFFF8FF80 (URL)
Biodiversity
- Family
- Orchidaceae
- Genus
- Spiranthes
- Kingdom
- Plantae
- Order
- Asparagales
- Phylum
- Tracheophyta
- Scientific name authorship
- (L.) Chevall
- Species
- spiralis
- Taxon rank
- species
- Taxonomic concept label
- Spiranthes spiralis Chevall, 1827 sec. Moore, 1980