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FOC | Family List | FOC Vol. 18 | Orobanchaceae | Orobanche

17. Orobanche sinensis Harry Smith, Acta Horti Gothob. 8: 128. 1933.

四川列当 si chuan lie dang

Plants densely glandular pubescent and villous. Stems thick. Leaves ovate-lanceolate, 1.2-2 cm X 4-6 mm, along with bracts and calyx lobes yellow-brown glandular and white villous at margin and abaxially. Inflorescences spicate, 10-20(-30) cm, many flowered; bract ovate-lanceolate, 1.4-1.6 cm X ca. 5 mm, glabrous adaxially. Flowers subsessile; bractlets absent. Calyx tubular, 1-1.4 cm, irregularly 2-lobed; segments 2-lobed; lobes linear or linear-lanceolate, unequal. Corolla pale gray-blue, blue, or blue-purple, rarely yellow, 2.5-3.5 cm; tube suberect, densely glandular pubescent abaxially, villous adaxially; upper lip entire or 2-lobed; lower lip subequalling upper. Filaments 1.8-2.1 cm, white villous basally, sparsely glandular pubescent upward; anthers long ovoid, 2.5-3 mm, densely villous. Pistil 1.5-2.5 cm; ovary long ellipsoid, glandular pubescent. Style 1.5-2 cm, glandular pubescent; stigma 2-lobed. Capsule oblong, 1-1.2 cm X ca. 4 mm. Seeds oblong, ca. 0.4 X 0.25 mm.

* Slopes, roadsides, forests, thickets; 1600-3500 m. S Qinghai (Nangqian Xian), NW Sichuan, SE Xizang.

1 Plants 20-40 cm tall; corolla tube not constricted, enlarged funnelform upward, upper lip entire   17a var. sinensis
+ Plants ca. 20 cm tall; corolla tube constricted, slightly enlarged upward, upper lip entire or 2-lobed   17b var. cyanescens

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