长戟橐吾 chang ji tuo wu

Stem erect, to 56 cm tall, ca. 4 mm in diam. at base, proximally glabrous, distally white arachnoid-puberulent and shortly yellowish brown pilose. Basal leaves petiolate; petiole to 30 cm, glabrous, base sheathed, apically narrowly winged; leaf blade narrowly triangular-hastate or ovate-cordate, 4-8.5 × 5-9 cm, abaxially shortly yellowish brown pilose only along veins, adaxially shortly yellowish brown pilose, palmately veined, margin denticulate, rarely crenate, apex acuminate or acute, rarely retuse; sinus 1/4-1/3 as long as leaf blade, broad; basal lobes divergent. Middle stem leaves smaller, cordate-reniform, shortly petiolate; sheath slightly enlarged, to 6 cm. Distalmost stem leaves sessile, broadly triangular; sheath enlarged. Synflorescence racemose, to 7 cm; leaflike bracts linear-lanceolate; peduncles 7-15 mm, shortly yellowish brown pilose. Capitula numerous. Involucre campanulate, 1-1.2 cm × 7-9 mm, outside glabrous; phyllaries 8 or 9, in 2 rows, lanceolate, 2-4 mm wide, margin membranous, apex acuminate. Ray florets yellow; lamina linear, 1.5-2(-3) cm × 1.5-2 mm, apex 3-lobed; tube ca. 5 mm. Tubular florets ca. 9 mm; tube ca. 4 mm; limb ca. 2 mm wide. Pappus pale yellow, as long as tube of tubular corolla. Fl. Jul-Aug.

● Grassy slopes; 3400-3800 m. NW Yunnan.