Description from Flora of China
Hyphear kaoi J. M. Chao, Taiwania 18: 169. 1973.
Shrubs ca. 0.3 m tall, all parts glabrous. Branches not dichotomous, scattered lenticellate. Petiole 6-7 mm; leaf blade ovate or oblong, 3-4 × 1-2 cm, leathery, lateral veins 2 or 3 pairs, obscure, base cuneate to obtuse, apex obtuse to rounded. Spikes 3-5-fascicled, axillary, 10-20-flowered, 2-3 cm; bracts ovate-triangular, ca. 3 mm. Flowers bisexual, 6-merous. Calyx subglobose, ca. 1 mm; anthers 2-loculed, ca. 0.5 mm, connective broad. Style ca. 2.5 mm; stigma subcapitate. Berry yellowish, ovoid, ca. 5 × 3 mm. Fl. Feb-Jun, fr. Aug-Dec.
The plants are epiparasitic on other members of the Loranthaceae, including Taxillus liquidambaricola, T. nigrans, and T. sutchuenensis.
* Forests, mountain slopes; 800-2300 m. Taiwan.