生活型

herb

形態特徵

• An erect herb, 30–60 cm tall, few-branched; stems terete.
• Leaves petiolate, the petioles 1–3.5 cm long, the blades elliptic or lanceolate-elliptic, 5–14 cm long, 2–5 cm wide, the apex caudate-acuminate, the base cuneate, the margins crenate and with bristles on the upper side of the sinuses of the convex teeth (crenatures).
• Racemes terminal or axillary, 3–6-flowered; peduncles 3–8 cm long; pedicels 1–5 cm long, 1-bracteate; bracts 4 mm long; calyx of 3 sepals, the 2 lateral ones elliptic, 5.5 mm long, the lip saccate, the sac with a linear undivided straight or recurved spur, 2.2 cm long; corolla yellow, of 3 petals, the standard obovate, 6.5 mm long, the apex obtuse, apiculate, the 2 lateral wings semi-oblong, 9–17 mm long, unequally bilobed; stamens 5, monadelphous, 4–5.5 mm long, the anther-apices obtuse, the filaments fused at the upper part; ovary linear, 5 mm long, with unbranched style.
• Capsules loculicidally dehiscent, 2–2.5 cm long; seeds oblong, granulate, about 3 mm long.

分布

• 台灣 : growing under forest shade at altitudes of 2,000–2,100 m.

引證標本

HSINCHU: Kuanwu, Huang 4143a*, Sasaki s. n. 1932, Simada 2534A.

參考文獻

• HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 3: 616. 1993.  (Fl. Taiwan 2nd edit.)