All Floras      Advanced Search
FOC Vol. 25 Page 115, 116 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 25 | Orchidaceae | Dactylorhiza

5. Dactylorhiza aristata (Fischer ex Lindley) Soó, Nom. Nov. Gen. Dactylorhiza. 5. 1962.

芒尖掌裂兰 mang jian zhang lie lan

Orchis aristata Fischer ex Lindley, Gen. Sp. Orchid. Pl. 262. 1835; Dactylorhiza aristata f. alba P. M. Brown; D. aristata var. kodiakensis Luer & G. M. Luer; D. aristata f. perbracteata (Lepage) Catling; D. aristata f. rosea P. M. Brown; O. aristata var. immaculata Makino; O. aristata var. maculata Makino; O. aristata var. perbracteata Lepage; O. beeringiana (Chamisso) Kudô; O. latifolia Linnaeus var. beeringiana Chamisso.

Plants robust, 10-35 cm tall. Tuber palmately 3- or 4-lobed. Stem erect, stout, with 2 or 3 tubular sheaths at base, 3-6-leaved. Leaves usually congested at base of stem, uniformly green or occasionally with small purple spots or speckles adaxially, ovate-elliptic to oblong-elliptic, 5-15 × 0.8-4 cm, apex obtuse to acute. Rachis 3-13 cm, densely many flowered; floral bracts lanceolate, basal ones exceeding flowers, apex acuminate. Flowers white, pink, or magenta, medium-sized; ovary and pedicel 4-8 mm. Sepals white, pink, or magenta, ovate to ovate-lanceolate, apex long acuminate; dorsal sepal erect, 9-12 × 3-5 mm; lateral sepals erect or spreading forward, concave, oblique, 8-11 × 3-5 mm. Petals erect, forming a hood with dorsal sepal, white, pink, or magenta, narrowly ovate-lanceolate, 6-8 × 2-3.5 mm, apex acuminate; lip white, pink, or magenta with deep purple spots usually forming 2 distinct arcs, suborbicular to obcordate, 8-12 × 8-12 mm, 3-lobed near apex; mid-lobe narrowly deltoid, 2.2-3.5 × 1-1.8 mm, apex acuminate; lateral lobes ovate, much broader than mid-lobe, apex rounded-obtuse; spur spreading backward to upcurved, cylindric, 6-9 mm, subequal in length to or slightly exceeding ovary, ca. 1.8 mm in diam., apex obtuse. Fl. Jun-Aug.

Grasslands. Hebei, Henan, Shandong, Shanxi [Japan, Korea, Russia (Far East); North America (Alaska)].

The present authors have seen no Chinese specimens of this species. The Chinese distribution is based on H. P. Wood (Orchid Digest 73: 52-55. 2009).


Related Objects  

Flora of North America  
  • Distribution Map
  • Map

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |