生活型

herb

形態特徵

• An erect suffrutescent herb, ca. 1.0–2.5 m tall, branched, pubescent.
• Leaves ovate to orbicular, ca. 2.0–10 cm long, 3,0–11 cm wide; apex acute or acuminate; base cordate; margin entire or irregularly toothed; stellate on both surfaces; petioles 3.5–13 cm long, pubescent; stipules linear.
• Inflorescence solitary or paniculate, axillary or terminal; pedicels ca. 2.0–7.0 cm long, pubescent. Flowers yellow; calyx green, disc-shaped, pubescent, 5-lobed, segments broadly ovate or triangular, ca. 0.35-0.6 cm long, apex acute; corolla ca. 2.0–2.5 cm across, petals 5, yellow, glabrous or nearly, ca. 0.7-0.8 cm long; staminal tube stellate-hirsute; carpels 15–20, densely pubescent.
• Capsules compressed globular or millstone-like, ca. 1.2–2.5 cm across, composed 15–20 pubescent carpels, with beaked at apex; persistent calyx much shorter than capsule; seeds many, dark brown, ca. 0.3 cm long, almost glabrous or sometimes with sparse bristle.

分布

• 台灣 : Common through whole island, especially in waste places or along roadside.
• 世界 : Tropical and subtropical Asia, from India, Sri Lanka, Burma, China (Yunnan, Guizhou, Guangxi, Hainan, Guangdong, Fujiang), Thailand, Cambodia, Laos, Veitnam to Taiwan, and south to Indonesia.

引證標本

TAIPEI: Paishawan, Peng 2116. MIAOLI: Hsenghsing, Hsu 9593. NANTOU: Sun Moon Lake, Huang 5658. CHIAYI: Chiayi, Kao 7876. TAINAN: Mori 523*. PINGTUNG: Hiiranshan, Chang 3282; Hsiangtan, Huang et al. 16101. TAITUNG: Is. Lutao, Huang & Kao 6948; Tawu, Hsu 4063.

引用文獻

• CHANG, CHING-EN abutilon by YANG, ALECK TSUNG-YU, Flora of Taiwan, second edition 3: 740. .  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)