生活型

herb

形態特徵

• Perennial herb; stems erect, terete, 60-70 cm long, slightly sulcate, hairy, the nodes somewhat swollen.
• Leaves lanceolate, 4-5 cm long, 5-8 mm wide, acute at apex, attenuate at base, hirsute on both surfaces, entire, 3-nerved, midrib impressed above, elevated beneath, lateral veins inconspicuous.
• Flowers several, 8-9 mm in diameter; pedicels 3-5 cm long, slender, hirsute; calyx cylindric-obconical, 1 cm long, 5-6 mm wide, hirsute outside, glabrous inside, 10-nerved, lobes oblong, 3 mm long, 2 mm wide, obtuse, margins ciliate; petal limb spatulate, 8-12 mm long, shallowly bifid at apex, lobes oblong, 1.5-2 mm long, obtuse, claw cuneate, longer than the limb; coronal scales 2, transversely rectangular, 1.5-2 mm wide, 0.6-0.8 mm long, glabrous; stamens 10, filaments slender, 8-9 mm long, anthers oblong-ovoid, 0.6 mm long; ovary cylindrical, styles 3, hairy upward, 2-3 mm long.
• Capsules ovoid, 6-8 mm long, 5-6 mm across, 6-toothed at apex.

分布

• 台灣 : known from medium elevations in the central and southern parts of the island.

引證標本

TAICHUNG: Sasaki s. n. 1922. NANTOU: Lushan, Kao 7950; Tanta, Kawakami & Mori s. n. 1909. PINGTUNG: Ito s. n. 1909.

參考文獻

• YING, SHAO-SHUN, Flora of Taiwan, second edition 2: 366. 1996.  (Fl. Taiwan 2nd edit.)