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FOC | Family List | FOC Vol. 25 | Orchidaceae | Lecanorchis

3. Lecanorchis thalassica T. P. Lin, Native Orchids Taiwan. 3: 153. 1987.

灰绿盂兰 hui lü yu lan

Lecanorchis japonica Blume var. thalassica (T. P. Lin) S. S. Ying.

Plants to 50 cm tall. Rhizome ascending. Stem erect, reddish brown, with black dots, unbranched, with several sheaths; sheaths dark brown, 3-4 mm. Raceme terminal, 3-4 cm, 4-10-flowered; floral bracts persistent, ovate, ca. 2 mm; pedicel and ovary 2.5-3.3 cm; calyculus very small, ca. 1 mm tall, margin toothed. Flowers not widely open, margin grayish green and yellowish. Dorsal sepal oblanceolate, ca. 20 × 5 mm, apex obtuse; lateral sepals falcate-oblanceolate, ca. 20 × 3 mm. Petals obovate-lanceolate to spatulate, ca. 20 × 6 mm, apex obtuse or rounded; lip obovate, ca. 1.6 cm, cuneate toward base, distal part 3-lobed, basal half connate to column forming a tube; tube ca. 8 mm, contracted near middle, swollen part ca. 3 mm wide; lateral lobes erect, abaxially purple, suborbicular, adaxially shortly villous; mid-lobe entire, suborbicular, ca. 5.5 mm, abaxially with several purple bands, adaxially densely yellow villous, apex emarginate; disk with yellow hairs extending to mid-lobe. Column ca. 9 mm, apex dilated. Fl. May.

● Broad-leaved forests; 1400-2000 m. C Taiwan.


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