石蒜 shi suan

Amaryllis radiata L’Héritier, Sert. Angl. 16. 1788.

Bulbs subglobose, 1--3 cm in diam. Leaves appearing in autumn, dark green, narrowly ligulate, ca. 15 × 0.5 cm, midvein pale, apex obtuse. Flowering stem ca. 30 cm. Umbel 4--7-flowered; involucres 2, lanceolate, ca. 3.5 × 0.5 cm. Perianth bright red; tube green, ca. 0.5 cm; lobes strongly recurved, narrowly oblanceolate, ca. 3 × 0.5 cm, margin strongly undulate. Stamens conspicuously exserted. Fl. Aug--Sep. fr. Oct. 2 n = 22, 32, 33.

Shady and moist places on slopes, rocky places along stream banks; near sea level to 1000(--2500) m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shandong, Shaanxi, Sichuan, Yunnan, Zhejiang [Japan, Korea, Nepal].

The fertile, diploid populations are Lycoris radiata var. pumila Grey (Hardy Bulbs 2: 58. 1938) according to Hsu et al. (Sida 16: 325. 1994), while the morphologically essentially identical, triploid populations are L. radiata var. radiata.