台灣柳葉菜

Epilobium taiwanianum Credit: HAST

Perennial suberect herb, often clumped, with fleshy, scaly basal turions; stems 7-25 cm tall, simple or sparsely branched, strigillose, lacking raised hairy lines. Leaves 1-2.5 cm long, 0.5-1 cm wide, ovate to lanceolate or lance-elliptic, denticulate, with petioles 0-2 mm long. Flowers erect; floral tube 0.6-1 mm long; sepals 3-5 mm long; petals 4-6.5 mm long, rose-purple; stigma capitate or broadly clavate. Capsules 25-50 mm long, strigillose, on pedicels 5-10 mm long. Seeds 1.1-1.5 mm long, the surface scarcely papillose; coma white, detaching readily. Chromosome number unknown. Flowers Jul-Sep; fruit Aug-Oct (rarely to Dec).

ILAN: Nanhutashan, Suzuki et al. s. n. 1937; Syukoran, Suzuki s. n. 1935. HSINCHU: Tapachienshan, Kuoh 3262. MIAOLI: Tapachienshan, Peng 8527. TAICHUNG: Hsuehshan, Peng 7979. NANTOU: Hohuanshan, Hoch 3311.

Distribution: Endemic to Taiwan. Grows in the high mountains on subalpine scree or gravelly slopes among rocks where moisture is sufficient, rarely in shaded places; 3,000-3,900 m.