Description from
Flora of China
Nomocharis biluoensis S. Yun Liang.
Bulb white, ovoid, 2.5--3 × 2--2.8 cm. Stem 35--100 cm. Leaves 5--8-whorled, narrowly lanceolate to elliptic, 4.5--11 × 1--3 cm, margin sometimes conspicuously papillose. Flowers 1--4, nodding. Tepals white or tinged pale pink abaxially; outer ones blotched purple-red, elliptic to ovate-elliptic, 4--5 × (1--)2--2.5 cm, margin entire; inner ones spotted or mainly in distal part blotched purple-red, ovate to elliptic, 4--5 × (1--)2.5--3 cm, margin erose-serrate; nectary processes 2, of low ridges of tissue arranged in a fan shape. Filaments swollen, cylindric, 6--7 mm, and fleshy proximally, abruptly narrowed to a filiform, 2--2.5 mm long portion distally. Style 7--9 mm. Capsule oblong-ovoid. Fl. Jun--Jul, fr. Aug--Sep. 2 n = 24*.
* Abies forests, broad-leaved forests, forest margins, grassy slopes; 2800--4000 m. Sichuan, SE Xizang, NW Yunnan.