生活型

herb

形態特徵

• Perennial herbs; stems erect, to 1.5(–2) m tall, much branched in upper portion, woody at base, obtusely quadrangular, slightly 4-sulcate, finely striate.
• Petiole 0.5–3.5 cm long, broadly alate toward apex, densely pubescent; blade ovate to ovate-lanceolate or lanceolate, 3.5–10 cm long, 1.5–4.5 cm wide, apex subacuminate, base cuneate, margins grossly incurved-serrate, thin chartaceous.
• Panicles terminal, loose, 10–20 cm long, composed of 5- to many-flowered cymes; peduncle of cymes 0.5–1.5 cm long, pedicels 1–3 mm long, both densely pubescent; lower foliaceous bracts similar to cauline leaves, short petiolate, longer than cymes, upper bracts reduced upward, lanceolate to linear-laceolate, almost equalling peduncles; bracteoles 1–3 mm long, pubescent; calyx campanulate, ca. 1.5 mm long, densely whitish pubescent and glandular outside, glabrous inside; teeth 5, erect, narrowly triangular, subequal; corolla to 6 mm long, purple, puberulous outside, glabrous inside; tube saccate on upper part near base, ca. 3 mm long, reflexed, equally 4-parted at apex, lower lip broadly ovate, ca. 3 mm long, concave; stamens and style included.
• Nutlets broadly ovoid, 1.5 mm long, rounded, whitish-barbate at apex.

分布

• 世界 : Korea and southeastern China.

引證標本

TAIPEI: Mucha, Kao 9613; Chanchushan, Nakamura 3974; Yinhoton, Kao 10326, 10327, Wang 2755, 2760, Ou & Kao 9097; Tachichao, Kao 7084.

引用文獻

• HUANG, Tseng-Chieng, HSIEH, Tsung-Hsin and CHENG, Wu-Tsang, Flora of Taiwan, second edition 4: 472. 1998.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)