石山蜘蛛抱蛋 shi shan zhi zhu bao dan

Rhizome subterete, 5--7 mm thick. Leaves solitary; petiole 5--14 cm, rigid; leaf blade slightly spotted with yellowish white, elliptic to elliptic-lanceolate, 12--23 × 4.5--7(--9.5) cm. Scapes usually 2--5-tufted, 0.5--2.5 cm; bracts 4--6. Flower solitary. Perianth purple, campanulate, 6-lobed apically; tube 8--10 × 6--7 mm; lobes broadly ovate, 4--5 × 4--6 mm, smooth adaxially. Stamens 6, inserted at middle of perianth tube, subsessile; anthers oblong, ca. 4.5 mm. Pistil 7--8.5 mm; stigma purple, peltate, orbicular, large, 4--5 mm in diam. Berry dark purple, trigonous globose, 1--1.4 cm in diam., tuberculate. Fl. Oct. 2 n = 36*.

* Evergreen forests on limestone slopes; 300--400 m. WC Guangxi (Long’an Xian).