生活型

herb

形態特徵

• Herbs to 50 cm tall; stems subquadrangular, nearly glabrous.
• Leaves membranaceous, lanceolate, oblong or oblong-ovate, apex acuminate to subacute, base acute or obtuse, slightly oblique, margins entire or shallowly undulate, glabrous on both surfaces but slightly pubescent along veins on lower surface, lateral veins 4–6 per side; petiole to 3 cm long.
• Cymes terminal, 1–4-nate, compressed 1–4 involucres; bracts of each pair unequal, ovate or ovate-oblong, larger one 2.5–3.4 cm long, smaller one 2–3 cm long, obtuse at tip, rounded or cordate at base, both glabrous; bracteoles minute; calyx ca. 3 mm long, with glandular and nonglandular hairs; corolla reddish violet, to 5 cm long, puberulent without, limb bilabiate, upper lip broadly obovate, lower lip oblong, minutely 3-lobed; stamens long-exserted, ca. 1 cm beyond mouth of corolla tube; filaments retrorsely hirsute; ovary glabrous.
• Capsule 1.5–2 cm long, pubescent; seeds orbicular, slightly tuberculate.

分布

• 台灣 : in the south and center.
• 世界 : Eastern India, southern and central China, the Philippines, Malaysia and Java.

引證標本

NANTOU: Chitou, Hsieh 1024. KAOHSIUNG: Shanping, Hsieh 781. PINGTUNG: Chuanfanshih, Hsieh 767; Manchou, Hsieh 740; Nanjenshan, Huang 7911. TAITUNG: Kutzulun, Simizu 3790; Alangweishan, Hsieh 716. HUALIEN: Mukuashan, Nakamura 4442; Tungmen, Sasaki s. n. 1929.

參考文獻

• HSIEH, Chang-Fu and HUANG, Tseng-Chieng, Flora of Taiwan, second edition 4: 674. 1998.  (Fl. Taiwan 2nd edit.)