四福花 si fu hua

Tetradoxa omeiensis (H. Hara) C. Y. Wu.

Rhizomes not seen. Stems 10-20 cm tall. Basal leaves 1-3; petiole 3-12 cm; leaf blade ovate or deltoid-ovate, 1-3 × 1-3 cm, 3-cleft; segments narrowly ovate, 2-5-lobed, apex of lobes mucronate. Cauline leaves 2, opposite, similar to those of basal leaves; petiole 0.4-2 cm. Inflorescences racemelike, flowers 3-5; pedicels 0.5-1 cm; flowers yellowish green, 5-8 mm in diam. Calyx discoid, 4-lobed; lobes persistent, narrowly triangular-lanceolate, 2-3 mm. Corolla subrotate, 4- or 5-cleft; lobes narrowly ovate, 2.5-4 mm, inside densely glandular papillate, with papillate glands in center at base, apex acuminate. Outer (fertile) stamens 4, 0.4-1 mm; filaments incurved, divergent and stamens T-shaped apically; anthers ca. 0.6 mm. Styles slightly recurved; stigmas punctiform. Fl. May-Jun, fr. Aug.

● Wet places in forests, sometimes on rocks; ca. 2300 m. Sichuan (Emei Shan, Ya’an).

Donoghue et al. (Harvard Pap. Bot. 6: 459-479. 2001) recognized Tetradoxa as a distinct, monospecific genus.