生活型

herb

形態特徵

• Adventitious roots many, as wide as rhizome. Rhizomes elongate, striate, glabrous; annual vegetative branch with 3 cataphyll scars at base.
• Leaves small, glandular dotted, hairy along main veins and at margins, glabrescent; petioles grooved; blades triangular-oblong, obtuse at apex, cordate and 2-lobed at base, green, white spotted, short spreading hairs above denser along veins, pale green or purple beneath, 3.2-5.3 cm long, 2.1-4.7 cm broad, lobes 1-2 cm long, 1.3-2.3 cm broad.
• Flowering branch with 3 cataphylls at base, upper cataphyll 10 mm long, ovate, membranous, hyaline, hairy on margin, acute at apex; flower emerging from base of young leaf; calyx tube glabrous outside, shallowly ridged inside, with orifice rim at edge of ridge; lamellae between calyx lobes and orifice absent; calyx lobes hairy inside, glabrous outside; stamens 12, filaments much shorter than anthers; carpels fused; styles 6, free, emarginate at apex, stigma oblong, lateral.
• Fruit unknown.
• This species differs from <i>A. macranthum</i> by its long rhizome and the absence of appendages between the orifice and calyx lobes. The pollen grains also differ from those of that species by the minute supratectate granules.

分布

• 台灣 : on shady forest floors around Taipingshan at ca. 1,900 m.

引證標本

ILAN: Taipingshan, Huang 4965 (Holo- & isotypes, TAI); Chilanshan, Kuo 8187.

參考文獻

• HOU, DING. 1996. Flora of Taiwan, second edition 2: 649. (Fl. Taiwan 2nd edit.)