生活型

twiner

形態特徵

• Glabrous or rarely pubescent twiners. Stems glabrous, usually muricate.
• Leaves widely ovate, rarely ovate-oblong, 6–16 cm long, 6–15 cm broad, entire or rarely 3-lobed, apex acute, base cordate, lateral veins ca. 5 on each side of midrib; petiole 10–15 cm long.
• Cymes 1-several- flowered, axillary; peduncle stout, usually 5–15 cm long; pedicel 1–15 mm long, much elongated and clavate in fruit; sepals subcoriaceous, elliptic, margins membranaceous, 5–15 mm long, with a thick patent or recurved awn, awns 4–8 mm long; corolla salverform, white, with greenish bands, tube 7–10 cm long, limb 10–12 cm broad; stamens and style exserted, filaments glabrous; ovary glabrous.
• Capsules ovoid, 2.5–3.5 cm long, 2 cm across, with a 5–7 mm mucron; seeds glabrous, yellowish-white to brown, 10–12 mm long.

分布

• 台灣 : ultivated for ornamental purposes and escaped.
• 世界 : Circumtropical, orginally in tropical America.

引證標本

PINGTUNG: Pingtung city, S. Z. Yang 172. TAITUNG: Taimali, Wang & Yang 8975.

引用文獻

• STAPLES, George William and YANG, Sheng-Zehn, Flora of Taiwan, second edition 4: 357. 1998.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)