生活型

herb

形態特徵

• Perennial herb; rhizomes slender creeping, with 4-6 simple stems; stems slender, terete, sub-scandent, 0.5-1 mm in diameter, short hirsute.
• Leaves linear, 2.5-5 cm long, 2.5 mm wide, acute at apex, semi-amplexicual at base, chartaceous, entire or minutely serrulate, minutely tuberculate on both surfaces, midrib impressed and inconspicuous above, elevated beneath, lateral veins and veinlets inconspicuous.
• Flowers solitary, white, 1-1.5 cm in diam., nodding, terminal; pedicels 6-12 mm long, densely pubescent; bracts 2, lanceolate, 1-1.5 cm long, 2.5-3 mm wide, acuminate at apex, glandular-punctate on both surfaces; calyx swollen, short cylindric-campanulate, 1.5-2 cm long, 1.2-1.5 cm wide, hirsute on veins outside, 5-nerved, lobes triangular, 4 mm long, 4 mm wide, margins ciliate; petals long-clawed, 2-2.2 cm long, limb obcordate, 2-5 mm long, 3 mm wide, 2-lobed at apex, lobes oblong-rectangular, 4 mm long, 2.5 mm wide, obtuse; corona scales 2, oblong-rectangular, 2-2.5 mm long, 1 mm wide, obtuse; claw 1-1.5 cm long, linear or cuneate-linear; stamens 10, as long as petals; ovary oblong 3.5-4 mm long, 2 mm wide; styles 3.
• Fruit broadly campanulate, 2.5-3 cm long, 1.5-2 cm wide, dehiscing by terminal 8-10 teeth.

分布

• 台灣 : 3,000-3,900 m in central and northern parts of the island, on rocks and gravel.

引證標本

HSINCHU: Tapachienshan, Ying s. n. 1978, Kuoh 3834. NANTOU: Hohuanshan, Ying 1599. CHIAYI: Mt. Morrison, Shimada 932.

引用文獻

• YING, SHAO-SHUN, Flora of Taiwan, second edition 2: 368. 1996.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)