7. Echinops davuricus Fischer ex Hornemann, Suppl. Hort. Bot. Hafn. 105. 1819.
驴欺口 lü qi kou
Echinops davuricus var. angustilobus Candolle; E. davuricus var. latilobus Candolle; E. latifolius Tausch; E. latifolius var. manshuricus (Kitagawa) C. Y. Li; E. manshuricus Kitagawa.
Herbs 30-60 cm tall, perennial. Stems grayish white, unbranched or with 1 or 2 short branches, with fibrous petiole remains at base, sparsely cobwebby to lanate or glabrous in lower part, densely cobwebby to thickly lanate below synflorescences. Leaves papery, abaxially grayish white and densely cobwebby to thickly lanate, adaxially green and glabrous or sparsely cobwebby. Basal and cauline leaves long petiolate; leaf blade ± narrowly elliptic to lanceolate-elliptic, 15-35 × 8-18 cm, bipinnatipartite, semiamplexicaul; segments 4-8 pairs; lobes entire or with few triangular spiny teeth, apex long acuminate. Uppermost cauline leaves sessile, pinnately lobed or pinnatifid, semiamplexicaul. Pseudocephalia 1-3, 3-5.5 cm in diam. Capitula ca. 1.9 cm. Phyllaries 14-17, abaxially glabrous; outermost phyllaries scalelike, oblanceolate, ca. 7 mm, ca. 2/5 as long as involucre, distal portion broadly rhombic to elliptic, margin long ciliate, and apex shortly acuminate; middle phyllaries oblanceolate, 1-1.3 cm, margin sparsely shortly ciliate, abruptly constricted from maximum width into a long spiny tip; inner phyllaries narrowly elliptic, ca. 1.5 cm, distal portion of margin shortly ciliate, apex spinulose acuminate. Corolla blue, tube outside gland-dotted. Achene ca. 7 mm. Pappus scales linear, ca. 1.2 mm, proximal half connate. Fl. and fr. Jun-Sep.
Grasslands, open forests; 100-2200 m. Gansu, Hebei, Heilongjiang, Henan, Jilin, Liaoning, Nei Mongol, Ningxia, Shaanxi, Shandong, Shanxi [Mongolia, Russia].
Fischer’s "Echinops dauricus" of 1812, a nomen nudum, was published twice independently in the same year, by Hornemann with the spelling "davuricus" and by Treviranus (Ind. Sem. Hort. Bot. Wratislav., App. 1: 2. 1819) as "dahuricus." We treat these two names as published simultaneously and give precedence to the former.