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Chinese Plant Names | Family List | Orchidaceae | Amitostigma

Amitostigma hemipilioides (Finet) T. F. Wang & F. T. Wang

Description from Flora of China

Gymnadenia hemipilioides Finet, Rev. Gén. Bot. 13: 515. 1901; Amitostigma microhemipilia Schlechter; Chusua hemipilioides (Finet) P. F. Hunt; Hemipilia silvatica Kraenzlin; Orchis microhemipilia (Schlechter) Soó; Ponerorchis hemipilioides (Finet) Soó.

Plants 8-12 cm tall. Tubers oblong, 8-12 × 5-10 mm. Stem with 2 tubular sheaths at base, 1-leaved. Leaf basal, appressed to substratum, adaxially with purplish brown blotches, ovate-orbicular to oblong, 1.5-2.2 × 0.8-2.5 cm, apex acute. Peduncle with 1 or 2 lanceolate sterile bracts; rachis to 5.5 cm, subdensely (2 or)3-12-flowered; floral bracts ovate, much shorter than ovary, apex acute. Flowers pinkish white, with pinkish purple spots on lip; ovary and pedicel ca. 7 mm. Dorsal sepal oblong-ovate, concave, 3-3.5 × 1.5-1.8 mm, 1-veined, apex obtuse; lateral sepals oblong-ovate, slightly oblique, ca. 3.5 × 1.7 mm, apex subobtuse. Petals connivent with dorsal sepal and forming a hood, oblong, slightly oblique, 2.7-3 × 1.2-1.5 mm, 1-veined, margin irregularly serrulate, apex obtuse; lip obovate, 5-7 × 4-4.5 mm, base cuneate, margin 3-lobed above middle, margin irregularly serrulate; disk finely papillate; lateral lobes oblong-quadrate, oblique, ca. 1 × 1 mm, 3- or 4-veined, apex subacute; mid-lobe quadrate, ca. 2 × 2 mm, apex obtuse; spur horizontal and curving downward to pendulous, cylindric, 3-4 mm, apex obtuse; viscidia subovoid; stigma lobes oblong. Fl. Jun-Jul.

● Rocky soils, moist places in forests, crevices; 2400-2500 m. C Guizhou, NW Yunnan.


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