元阳石豆兰 Bulbophyllum yuanyangense
Bulbophyllum yuanyangense Z. H. Tsi in Guihaia 15 (2): 106-107, fig. 1. 1995.
Southeast Yunnan ( Yuanyang ). Born at an altitude of 2020 meters in the mountain forest trunk.
Bulbophyllum eublepharum Rchb. f., differing from B. eublepharum in having smaller flowers, apex short-pointed, with 1 vein, lips glabrous. |
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Pseudobulbs aggregated, terete, narrowed from base to apex, 3.5-4 cm long, base 8 mm thick, membranous sheath, apex 1 leaf. | ||
Leaves leathery, oblong, 4-15 cm long, 3 cm wide, apex acute, base narrowed to about 2 cm long handle. | ||
Scapes from base of pseudobulb, much higher than leaves, suberect, up to 34 cm, raceme sparsely many flowers ; inflorescence stalk with 2-3 sheaths ; bracts narrowly lanceolate, 5-7 mm long, apex acuminate ; middle sepals and lateral sepals are similar and equal in size, ovate lanceolate, about 9 mm long, 2 mm wide, apex long acuminate or caudate, with 3 veins, entire margin ; petals subovate, 4 mm long, 1.5 mm wide, apex shortly pointed, with 1 vein, margin dentate ; lip flap lanceolate, base with grooves, apex acuminate, edge rough ; stamens short, stamen teeth subulate ; the front end of the medicine cap is concave, with 1 protrusion in the center. Young fruit period November. | ||