帽蕊草 mao rui cao

Visible body ± cylindric, 3-8 cm tall, all parts off-white, dark brown when dry. Volva 2-2.5 × ca. 2 cm, densely tuberculate, mouth shallowly 4- or 5-lobed. Inflorescence bracts in 4 series of 3-6, scale-like; blade ovate, ovate-oblong, or lanceolate, 0.8-2.7 × 0.8-2 cm, terminal 2 basally thick, with a nectary. Perianth, white, cupular, 0.5-0.6 × 1-1.7 cm, mouth entire or undulate. Stamen tube ca. 7 mm; anther ring ca. 6 mm deep; connective ca. 2 mm. Ovary globose to ellipsoid, ca. 12 × 9 mm. Stigma 6-7 mm, emarginate. Fl. Feb-Apr, fr. Oct.

Parasitic on roots of Castanopsis, Lithocarpus, and Quercus; ca. 1200 m. Fujian, Guangdong, Guangxi, Taiwan, Yunnan [Cambodia, ?Indonesia (Sumatra), Japan, Malaysia, Thailand].