生活型

herb

形態特徵

• Rhizome densely fulvous villous. Petiole (0.4-)4–19 cm long, glabrous.
• leaf blade narrowly elliptic to suborbicular, (3-)18–24 cm long, (2-)4.5–14.5 cm wide, herbaceous to thin papery; both surfaces glabrous or glandular puberulous near base; base sometimes oblique, decurrent into petiole, broadly cuneate to truncate or cordate, margins irregularly denticulate to dentate, teeth extending down petiole wing, apex acuminate, rarely acute, lateral veins 8–11 pairs, distinct.
• Cymes branched 2–4 times, 3–23-flowered; peduncle (3-)9–15 cm long, glabrescent; bracts linear to narrowly elliptic, 2–4(–10) mm long, sparsely puberulous, margin entire, rarely dentate. Pedicel 0.7–1.9 cm long, glabrescent. Calyx segments narrowly triangular to narrowly lanceolate, 4–7 mm long, 0.8–1.2(–1.8) mm wide, sparsely puberulous, margin entire. Corolla 1–1.8 cm in diam., glabrous outside, tube 2–5 mm long, limb 5- lobed, lobes triangular ovate. Stamens 5, glabrous; filaments ca. 0.8 mm long; anthers oblong, 4–6 mm long (including projections). Gynoecium sparsely glandular; ovary ca. 2 mm long; style 3.5–7 mm long.
• Capsule 7–10 mm long, glabrous. Seeds fusiform, 0.5–0.6 mm long.

物候

Flowering June to September, fruiting September to October.

分布

• 台灣 : central and northern parts at low and middle elevations, growing on wet rocks.
• 世界 : Japan and eastern China.

引證標本

TAIPEI: Lalashan, Suzuki 21355. HSINCHU: Toshisueishan, Fukuyama 3554; Marapashan, Sasaki s. n. 1931. MIAOLI: Tahu, Kawakami, Hayata & Mori 76; Malabangshan, Huang et al. 15630; Takoshan, Tang 612. NANTOU: Chitou to Chiti, Chuang & Kao 7082; Chitou, Kao 7737; Shanlinchi, Huang & Yang 3746; Fenghuangshan, Yang 10524. CHIAYI: Alishan, Kao 7721; Chuchi, Sasaki s. n.1934. TAINAN: Tongshan, Yen 1813.

參考文獻

• LI, Zhen-Yu and KAO, Muh-Tsuen, Flora of Taiwan, second edition 4: 693. 1998.  (Fl. Taiwan 2nd edit.)