生活型

shrub

形態特徵

• Perennial scandent subshrub. Stems woody, branched, 0.7–2.5 m or more tall, obviously striate, sparsely pubescent, later glabrous.
• Leaves alternate, ovate to elliptic, apex acuminate, base obtuse, obscurely and irregularly serrate, nearly entire, 5–10×1.5–4 cm, petiole 7–15 mm long, venation pinnate; upper surface dark green, scarcely pubescent, nearly glabrous; lower surface loosely pubescent, glandular punctate.
• Heads 5–7 mm long, 3–5 mm across, numerous, congested in terminal corymbs, sometimes axillary; peduncle slender, 2–10 mm long. Involucre campanulate, bracts in 4 or 5 series, scarious, midrib green or greenish brown, margins scarious, outer bracts shorter, 1–2 mm long, lanceolate, obtuse, apex fringed, scarcely pubescent, middle bracts 3 mm long, lanceolate, acute, glabrous, inner bracts larger, linear-lanceolate, 5 mm long, glabrous. Receptacle slightly convex. Outer florets numerous, corolla filiform, 3–4 mm long, ligule bifid, style surpassing ligule. Disc florets 2–5, bisexual, corolla narrowly tubular, 4–5 mm long, 5-lobed.
• Achenes oblong-elliptic, compressed, ca. 1 mm long, 4 or 5 ribbed, minutely pubescent, pale brown. Pappus persistent, slightly brownish white, bristles numerous, subequal, slender, 3–4.5 mm long. Flowering year round in Taiwan.

分布

• 台灣 : widespread, 200 to 1,500 m.
• 世界 : Africa and tropical Asia.

引證標本

TAOYUAN: Paling, Peng 11000; Hsiayunping, Peng 10289. MIAOLI: Huoyenshan, Lin 920. TAICHUNG: Kukuan, Peng 12424; Fengyuan, Peng 12173. NANTOU: Wushe, Peng 10348, Puli, Peng 7517. CHIAYI: Fanlu, Peng 10074. KAOHSIUNG: Maolin, Peng 11258; Taoyuan, Wang 1035. PINGTUNG: Tawushan, Peng 13191; Tachin, Kao 9570. TAITUNG: Chihpen, Koyama & Kao 14228, Kao 7142. HUALIEN: Yuli, Liao 1533; Hsiulin, Peng 15473.

參考文獻

• PENG, Ching-I & CHUNG, Kuo-Fang; LI, Hui-Lin, Flora of Taiwan, second edition 4: 1014. 1998.  (Fl. Taiwan 2nd edit.)