圆叶匙唇兰 yuan ye chi chun lan

Saccolabium tixieri Guillaumin, Bull. Mus. Natl. Hist. Nat., sér. 2, 30: 462. 1958.

Plants 1-3 cm tall. Stem very short, inconspicuous, enclosed in leaf sheaths. Leaves nearly basal, many; leaf blade dark green, oblong or elliptic, flat, 1-2 × 0.6-0.9 cm, thickly textured, wrinkled, obtuse and unequally bilobed. Inflorescences pendulous, racemose, 1-2 cm, densely many flowered; rachis fleshy, ribbed; floral bracts yellowish green, lanceolate, 1.5-2.5 mm, acute. Flowers not opening widely, deep red, slightly fleshy; petals tinged white, lip tinged yellow, column and anther cap yellow; pedicel and ovary purplish brown, 4-5 mm. Dorsal sepal ovate, ca. 2.5 × 1.5 mm, obtuse; lateral sepals obliquely obovate, ca. 2.5 × 2.5 mm, dorsally ± carinate, apex obtuse. Petals ovate, ca. 2 × 1.2 mm, obtuse; lip 3-lobed; lateral lobes erect, suborbicular, ca. 2 × 2 mm; mid-lobe ca. 2 mm, thickly fleshy, adaxially convex-thickened and broadly conic centrally; spur ca. 3 mm, slightly constricted at base, obtuse; disk with a subglobose callus near base of mid-lobe. Column ca. 1 mm, stout; rostellum ca. 0.4 mm; anther cap apex with 3 sharp teeth; stipe flat, ca. 1 × 0.3 mm; viscidium scalelike, ca. 2 × 0.5 mm. Fl. May.

Epiphytic on tree trunks at forest margins; 900-1400 m. S Yunnan [Vietnam].