Hyphear lambertianum (J. H. Schultes) Danser.

Shrubs deciduous, ca. 0.5 m tall. Branches usually dichotomous, brownish, scattered lenticellate. Petiole 4-10 mm; leaf blade oblong or oblong-ovate, 5.5-7 × ca. 3 cm, papery, lateral veins 4 or 5 pairs, faint, base broadly cuneate, apex acute or obtuse. Spikes terminal, 10-14-flowered, 2.5-3.5 cm; bracts ovate, concave, ca. 0.5 mm. Flowers bisexual, subopposite, 5-merous. Calyx ellipsoid, 1.5-2 mm. Mature bud ca. 3 mm. Corolla yellowish, petals lanceolate. Filaments short; anthers 4-loculed. Style ca. 2 mm; stigma subcapitate. Berry ovoid, ca. 6 × 5 mm. Fl. Apr-Jun.

The plants are usually parasitic on species of Quercus.

Broad-leaved forests, mountain slopes, valleys; (1600-)2700-2800 m. S Xizang (Dinggyê, Gyirong, Mêdog) [Nepal].