抱茎叶无柱兰  转到中国兰科植物志

Amitostigma amplexifolium  分类来源:中国植物志

Amitostigma amplexifolium Tang & F. T. Wang, Bull. Fan Mem. Inst. Biol. Bot. 7: 3. 1936.抱茎叶无柱兰 bao jing ye wu zhu lan

Plants 6-10 cm tall. Tubers globose, ca. 5 mm in diam. Stem with 1 tubular sheath at base, 1-leaved, densely pubescent around leaf base. Leaf subbasal to cauline, porrect, elliptic to oblong-elliptic, 1-2 × 0.5-1 cm, apex acute. Rachis 1- or 2-flowered; floral bracts oblong-elliptic, much shorter than ovary, apex obtuse or acute. Flower white, with purplish red spots; ovary and pedicel 8-10 mm. Dorsal sepal elliptic, ca. 3.5 × 2-2.3 mm, apex obtuse; lateral sepals elliptic, slightly oblique, ca. 4 × 2.5 mm, apex obtuse. Petals elliptic, slightly oblique, ca. 3 × 2 mm, apex truncate-obtuse; lip obovate, 5-6 × 4-5 mm, base cuneate, 3-lobed below middle; lateral lobes falcate-oblong, apex obtuse; mid-lobe cuneate-oblanceolate, margin erose, shallowly notched near apex to form 2 small lobules, sinus with a small tooth; spur pendulous, cylindric, curved, ca. 2 mm, much shorter than ovary; viscidia ovate-triangular; stigma lobes oblong. Fl. Jul.

● Forests. W Sichuan.


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